AUDIO/VIDEO MULTI-CHANNEL RECEIVER

PIONEER CORPORATION 4-1, Meguro 1-chome,PIONEER ELECTRONICS (USA) INC. P.O. Box 1760, LoPIONEER EUROPE NV Haven 1087, Keetberglaan 1, 912PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253

PIONEER CORPORATION 2003

SOUND MODE INPUT SELECTORMASTER

VOLUMEPHONESADVANCEDSTEREOAUTO

FRONT INPUT

STANDBY/ON

DIGITAL INPHONESVIDEO AUDIO RL

DTS 2PRO LOGICII2DIGITAL

DOWN UP

VSX-C301-S

Meguro-ku, Tokyo 153-8654, Japanng Beach, CA 90801-1760, U.S.A.0 Melsele, BelgiumAlexandra Road, #04-01, Singapore 159936

ORDER NO.

RRV2753

AUDIO/VIDEO MULTI-CHANNEL RECEIVER

VSX-C301-STHIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).

Model Type Power Requirement Remarks

VSX-C301-S KUCXU AC120V

For details, refer to "Important symbols for good services".

T-ZZK MAY 2003 printed in Japan

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VSX-C301-S2

SAFETY INFORMATION

This service manual is intended for qualified service technicians; it is not meant for the casualdo-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have beentrained to properly and safely repair complex products such as those covered by this manual.Improperly performed repairs can adversely affect the safety and reliability of the product and mayvoid the warranty. If you are not qualified to perform the repair of this product properly and safely, youshould not risk trying to do so and refer the repair to a qualified service technician.

WARNING

This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of California to

cause cancer, bir th defects or other reproductive harm.

Health & Safety Code Section 25249.6 – Proposition 65

NOTICE

(FOR CANADIAN MODEL ONLY)

Fuse symbols (fast operating fuse) and/or (slow operating fuse) on PCB indicate that replacement

parts must be of identical designation.

REMARQUE

(POUR MODÈLE CANADIEN SEULEMENT)

Les symboles de fusible (fusible de type rapide) et/ou (fusible de type lent) sur CCI indiquent que

les pièces de remplacement doivent avoir la même désignation.

ANY MEASUREMENTS NOT WITHIN THELIMITS OUTLINED ABOVE ARE INDICATIVEOF A POTENTIAL SHOCK HAZARD ANDMUST BE CORRECTED BEFORE RETURN-ING THE APPLIANCE TO THE CUSTOMER.

2. PRODUCT SAFETY NOTICEMany electrical and mechanical parts in the appliance

have special safety related character istics. These areoften not evident f rom visual inspect ion nor theprotection afforded by them necessarily can be obtainedby using replacement components rated for voltage,wattage, etc. Replacement par ts which have thesespecial safety character ist ics are identif ied in thisService Manual.

Electr ical components having such features areidentified by marking with a on the schematics andon the parts list in this Service Manual.The use of a substitute replacement component whichdoes not have the same safety characteristics as thePIONEER recommended replacement one, shown in theparts list in this Service Manual, may create shock, fire,or other hazards.

Product Safety is continuously under review and newinstructions are issued from time to time. For the latestinformation, always consult the current PIONEERService Manual. A subscription to, or additional copiesof, PIONEER Service Manual may be obtained at anominal charge from PIONEER.

(FOR USA MODEL ONLY)1. SAFETY PRECAUTIONS

The following check should be performed for thecont inued protect ion of the customer and servicetechnician.

LEAKAGE CURRENT CHECKMeasure leakage current to a known ear th ground

(water pipe, conduit, etc.) by connecting a leakagecurrent tes ter such as S impson Model 229-2 orequivalent between the earth ground and all exposedmetal par ts of the appliance (input/output terminals,screwheads, metal overlays, control shaft, etc.). Plugthe AC line cord of the appliance directly into a 120VAC 60 Hz outlet and turn the AC power switch on. Anycurrent measured must not exceed 0.5 mA.

Deviceundertest

Leakagecurrenttester

Earthground

Reading shouldnot be above0.5 mA

Also test withplug reversed(Using AC adapterplug as required)

Test allexposed metalsurfaces

AC Leakage Test

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VSX-C301-S

[ Important symbols for good services ]In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.When you find the procedures bearing any of the symbols, be sure to fulfill them:

2. Adjustments

To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable. In accordance with the procedures or instructions described in this manual, adjustments should be performed.

3. Cleaning

For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,proper cleaning should be performed to restore their performances.

5. Lubricants, glues, and replacement partsAppropriately applying grease or glue can maintain the product performances. But improper lubrication or applying glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply theprescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed ones should be used.

4. Shipping mode and shipping screws

To protect the product from damages or failures that may be caused during transit, the shipping mode should be set orthe shipping screws should be installed before shipping out in accordance with this manual, if necessary.

1. Product safety

You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and should keep the safety during servicing by following the safety instructions described in this manual.

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VSX-C301-S4

CONTENTS SAFETY INFORMATION..................................................................................................................................... 21. SPECIFICATIONS ............................................................................................................................................ 52. EXPLODED VIEWS AND PARTS LIST ............................................................................................................ 6

2.1 PACKING ................................................................................................................................................... 62.2 EXTERIOR SECTION................................................................................................................................ 82.3 INTERIOR SECTION............................................................................................................................... 102.4 FRONT PANEL SECTION ....................................................................................................................... 12

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM.......................................................................................... 143.1 BLOCK DIAGRAM ................................................................................................................................... 143.1.1 AUDIO AND VIDEO BLOCK ................................................................................................................. 143.1.2 POWER SUPPLY BLOCKS .................................................................................................................. 163.2 OVERALL WIRING DIAGRAM................................................................................................................. 183.3 FM/AM TUNER MODULE........................................................................................................................ 203.4 VIDEO ASSY ........................................................................................................................................... 223.5 AUDIO INPUT ASSY ............................................................................................................................... 243.6 MOTHER ASSY (1/5)............................................................................................................................... 263.7 MOTHER ASSY (2/5) and DSP KAWA ASSY ......................................................................................... 283.8 MOTHER ASSY (3/5)............................................................................................................................... 303.9 MOTHER ASSY (4/5)............................................................................................................................... 323.10 MOTHER ASSY (5/5)............................................................................................................................. 343.11 DSP ASSY (1/2)..................................................................................................................................... 363.12 DSP ASSY (2/2)..................................................................................................................................... 383.13 FRONT IN and AMP KAWA ASSYS ...................................................................................................... 403.14 6CH AMP ASSY .................................................................................................................................... 423.15 AMP OUT ASSY .................................................................................................................................... 443.16 ENCODER, FRONT and POWER SW ASSYS ..................................................................................... 463.17 PRIMARY, D5V, 12V and VHVL ASSYS ................................................................................................ 48

4. PCB CONNECTION DIAGRAM ..................................................................................................................... 504.1 FM/AM TUNER MODULE........................................................................................................................ 514.2 AUDIO INPUT and 12V ASSYS............................................................................................................... 524.3 MOTHER, DSP KAWA and D5V ASSYS................................................................................................. 544.4 DSP ASSY ............................................................................................................................................... 584.5 FRONT IN ASSY...................................................................................................................................... 604.6 AMP KAWA ASSY ................................................................................................................................... 614.7 6CH AMP ASSY ...................................................................................................................................... 624.8 AMP OUT ASSY ...................................................................................................................................... 644.9 ENCODER, FRONT and POWER SW ASSYS ....................................................................................... 664.10 PRIMARY ASSY .................................................................................................................................... 704.11 VHVL ASSY ........................................................................................................................................... 714.12 VIDEO ASSYS ....................................................................................................................................... 72

5. PCB PARTS LIST ........................................................................................................................................... 736. ADJUSTMENT ............................................................................................................................................... 79

6.1 TUNER SECTION.................................................................................................................................... 797. GENERAL INFORMATION............................................................................................................................. 80

7.1 DIAGNOSIS ............................................................................................................................................. 807.1.1 Test Mode.............................................................................................................................................. 807.1.2 Protection Circuit................................................................................................................................... 817.1.3 Specifications of Speaker Detection ..................................................................................................... 827.1.4 Circuit Description................................................................................................................................. 837.1.5 Troubleshooting ..................................................................................................................................... 847.1.6 Timing Chart.......................................................................................................................................... 867.2 PARTS...................................................................................................................................................... 907.2.1 IC .......................................................................................................................................................... 907.2.2 DISPLAY ............................................................................................................................................... 967.3 CLEANING............................................................................................................................................... 97

8. PANEL FACILITIES ........................................................................................................................................ 98

1 2 3 4

5 6 7 8

5

1. SPECIF

Manufactured und"Dolby", "Pro Logtrademarks of Do

"DTS" and "DTS Digital Theater Sy

Accessories

AM loop antenna(ATB7009)

Amplifier sectionContinuous averagchannel, min., at 6 ono more than 0.9 %*

Continuous Power Front. . . . . . . . . . . . .

RMS Power OutputFront. . . . . . . . . . . . 7Center . . . . . . . . . . .Surround. . . . . . . . .7

Audio sectionInput (Sensitivity/ImpOutput (Level/ImpedDVR/VCR. . . . . . . . .

* Measured pursuan Regulation rule on P** Measured by Audio

Video sectionInput (Sensitivity/ImpOutput (Level/Imped

VSX-C301-S

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ICATIONS

er license from Dolby Laboratories.ic", and the double-D symbol arelby Laboratories.

Digital Surround" are trademarks ofstems, Inc.

• Remote Control Unit(AXD7350)

• Power Cable(ADG7021)

• Dry Cell Battery (R6P, AA)(VEM1030)

FM wire antenna(ADH7004)

Coaxial cable(ADE7087)

Speaker cable labels(ARW7163)

RECE

IVER

SOUR

CERE

CEIV

ER

SLEE

P

RECE

IVER

INPU

T

DVD

VIDE

O

STB

FRO

NTFM

/AM

DVR/

TV

SURR

OUN

D

SOUN

DM

ODE

SIG

NAL

SELE

CT

STER

EO

LEVE

LTE

ST T

ONE

CH S

ELEC

T

MUT

E

MAS

TER

MEN

U

GUI

DESE

ARCH

SUBT

ITLE

ROO

MSE

TUP

TUNE

TUNE

STST

SYST

EMSE

TUP

BAND

EON

RETU

RNA

CLAS

SM

PX

ENTE

R

BC

DE

DISC 10

ENTE

R

VIRT

UAL

SBDI

MM

ER

CHAN

NEL

CHAN

NEL

INPU

T

AV D

IREC

T

AUTO

ADVA

NCED

SURR

OUN

D

DIAL

OG

VOLU

ME

T.ED

ITDT

V M

ENU

TOP

MEN

U

AUDI

O

RF A

TT

D.AC

CESS

DISP

LAY

TV C

ONT

ROL

VOLU

ME

e power output of 28 watts* per hms, from 20 Hz to 20,000 Hz with * total harmonic distortion (front).

Output (STEREO mode) . . . . . . . . . . . . . . . . . . 28 W + 28 W

(FTC 20–20 kHz, THD 0.9 %, 6 Ω)

5 W/ch (DIN 1 kHz, THD 10 %, 6 Ω) . .75 W (DIN 1 kHz, THD 10 %, 6 Ω)5 W/ch (DIN 1 kHz, THD 10 %, 6 Ω)

edance) . . . . . . . . . . 200 mV/47 kΩance) . . . . . . . . . . . . . . . . 200 mV/2.2 kΩ

t to the Federal Trade Commission’s Tradeower Output Claims for Amplifiers.

Spectrum Analyzer.

edance) . . . . . . . . . . . . 1 Vp-p/75 Ωance). . . . . . . . . . . . . . . 1 Vp-p/75 Ω

FM tuner sectionFrequency Range. . . . . . . . . . . . . . . 87.5 MHz to 108 MHzUsable Sensitivity. . . . . Mono:13.2 dBf, IHF (1.3 µV/ 75 Ω)50 dB Quieting Sensitivity. . . . . . . . . . . . . .Mono: 20.2 dBf

Stereo: 38.6 dBfsignal to noise ratio . . . . . . . . . . Mono: 76.0 dB (at 85 dBf)

Stereo: 72.0 dB (at 85 dBf)Distortion . . . . . . . . . . . . . . . . . . . . . .Stereo: 0.6 % (1 kHz)Alternate Channel Selectivity . . . . . . . . . . .60 dB (400 kHz)Stereo Separation. . . . . . . . . . . . . . . . . . . . . .40 dB (1 kHz)Frequency Response . . . . . . . . . . .30 Hz to 15 kHz (±1dB)Antenna Input (DIN) . . . . . . . . . . . . . . . . .75 Ω unbalanced

AM tuner sectionFrequency Range. . . . .530 kHz to 1,700 kHz (10kHz step)Sensitivity (IHF, Loop antenna). . . . . . . . . . . . . . 350 µV/mSelectivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 dBSignal-to-Noise Ratio. . . . . . . . . . . . . . . . . . . . . . . . .50 dBAntenna. . . . . . . . . . . . . . . . . . . . . . . . . . . . .Loop antenna

MiscellaneousPower Requirements. . . . . . . . . . . . . . . .AC 120 V, 60 HzPower Consumption . . . . . . . . . . . . . . . . . . . . . . . . 130 W In standby. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.3 WDimensions. . . . 16 9/16(W) x 2 13/16(H) x 15 1/8 (D) in.Weight (without package) . . . . . . . . . . . . . . . . .14 lb 6 oz

Furnished partsAM loop antenna . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1FM wire antenna. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1Dry cell batteries (AA size IEC R6P) . . . . . . . . . . . . . . . 2Remote control unit. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Power cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1Coaxial cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1Speaker cable labels . . . . . . . . . . . . . . . . . . . . . . . . . . . .1Operating instructions. . . . . . . . . . . . . . . . . . . . . . . . . . . .1Warranty card. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

Note

• Specifications and the design are subject to possible modifications without notice, due to improvements.

CENTER

CENTER

FRONT L

FRONT L

FRONT R

FRONT R

SURROUND L

SURROUND L

SURROUND R

SURROUND R

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VSX-C301-S6

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING

Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List.The mark found on some component parts indicates the importance of the safety factor of the part.Therefore, when replacing, be sure to use parts of identical designation.Screws adjacent to mark on product are used for disassembly. For the applying amount of lubricants or glue, follow the instructions in this manual.(In the case of no amount instructions, apply as you think it appropriate.)

NOTES:

20

14

5

1317

9

15

11

18

19

16

12

2

4

3

1

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VSX-C301-S

PACKING parts List

Mark No. Description Part No.

1 FM Wire Antenna ADH7004

2 AM Loop Antenna ATB7009

> 3 Power Cable ADG7021

4 Speaker Cable Label ARW7163

5 Operating instructions 301 ARE7328

(English)

6 • • • • • •

7 • • • • • •

8 • • • • • •

NSP 9 Polyethylene Bag Z21-038

(0.03*230*340)

10 • • • • • •

11 Remote Control Unit AXD7350

12 Battery Cover AZA7424

NSP 13 Dry cell batteries (R6P,AA) VEM1030

NSP 14 Warranty Card ARY7045

15 Left Pad 301 AHA7407

16 Right Pad 301 AHA7408

17 Spacer AHB7088

18 Packing Sheet AHG7015

19 Packing Case AHD8158

20 Coaxial Cable ADE7087

75 6 7 8

1 2 3 4

C

D

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A

B

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VSX-C301-S8

2.2 EXTERIOR SECTION

CO

NT

AC

T S

IDE

NO

N-C

ON

TA

CT

S

IDE

Refer to"2.4 FRONT PANEL SECTION".

Refer to"2.3 INTERIOR SECTION".

A

A

I

A

O

18

18

18

5

12

17

76

18

10

123

17

1918

18

9

18

188

18

24

*Serial Number Label is put on bottom of Under Base.

B25

28

29

26

13

21

2214

22

20

15

15

162214

22

3

20

20

20

18 16

20

20

22

22

20

2

22

20

20

20

4

27

1 2 3 4

5 6 7 8

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D

F

A

B

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VSX-C301-S

EXTERIOR SECTION parts List


1 FM/AM TUNER MODULE AXQ7245

2 6CH AMP Assy AWM7786

3 D5V Assy AWX8224

NSP 4 AMP MODULE 6CH AXQ7247

5 Bonnet Case AZN7934

6 Label ARW7217

7 License Label ARW7220

8 Fan Cover AMR7446

9 Rear Panel 301SKU ANC8157

10 Tuner Barrier AEC7383

11 • • • • • •

> 12 AC Inlet Assy VKP2126

13 DC Fan Motor AXM7025

14 Fan Plate ANG7462

15 FET Bracket A ANG7418

NSP 16 Heat Sink ANH7161

17 Screw BCZ40P060FNI

18 Screw BBZ30P080FZK

19 Screw PPZ30P100FZK

20 Screw BBZ30P060FMC

21 Screw BBZ30P300FZK


23 J1905 13P FFC/60V ADD7402

NSP 24 Label VRW1629

25 VIDEO Assy AWX8225

NSP 26 PCB Spacer AEC7156

NSP 27 Energy Star Label AAX7876

28 J1911 19P FFC/60V ADD7422

NSP 29 Binder ZCA-BK1

95 6 7 8

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D

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A

B

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VSX-C301-S10

2.3 INTERIOR SECTION

CO

NT

AC

T S

IDE

NO

N-C

ON

TA

CT

S

IDE

B

M

M

ILH

B

CD

A

L

A

F

F

D

N

N

E

E

C

I

H F

C

J

H

Q

D

N

E

12

131

31

315

3

4

3113

14

31

2233

3118

31

31

33

6

32

32

28

7

31

17

31

1631

2331 8

9

31

31

10

30

29

27

26

19

25

31

31

24

31

31

P

34

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

INTERIOR SECTION parts List


1 AUDIO-INPUT Assy AWX8227

2 • • • • • •

3 12V Assy AWX8170

4 DSP Assy AWX8241

5 DSP KAWA Assy AWX8167

6 PRIMARY Assy AWX8190

7 MOTHER Assy AWX8197

8 AMP KAWA Assy AWX8223

9 AMP OUT Assy AWX8177

10 VHVL Assy AWX8259

11 • • • • • •

12 J1911 19P FFC/60V ADD7422

13 J1906 10P FFC/60V ADD7405

14 J1909 19P FFC/60V ADD7422

15 • • • • • •

16 J1901 17P FFC/60V ADD7398

17 J1904 17P FFC/60V ADD7401

> 18 FU1 Fuse (6.3A) REK1069

> 19 T1 Power Transformer ATS7347

20 • • • • • •

21 • • • • • •

22 Core Stay A ANG7447

23 Core Stay B ANG7448

24 Jack Stay ANG7450

25 Trans Frame ANG7446

NSP 26 Under Base ANA7151

27 PCB Support AEC7365

28 PCB Mold AMR2533

NSP 29 PC Support VEC1749

30 Foot REC-434


32 Screw BCZ40P060FNI


NSP 34 Fuse Card AAX2374

115 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S12

2.4 FRONT PANEL SECTION

CO

NT

AC

T S

IDE

NO

N-C

ON

TA

CT

S

IDE

8

19

1

2

13

18

14

12

6

12

21

5

4

16

17

22

22

22

22

22

22

22

22

3

15

GL

M

K10

11

10

7

20

11

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

FRONT PANEL SECTION parts List


1 FRONT IN Assy AWX8219

2 POWER SW Assy AWX8174

3 FRONT Assy AWX8199

4 ENCODER Assy AWX8175

5 Front Panel Assy AXG7186

6 Front Panel AMB7839

NSP 7 Power Button AAD7696

8 PIONEER Name Plate VAM1129

9 • • • • • •

10 Insulator Ring AAK8091

11 Rubber Foot VEB1325

12 VOL Ring ABH7220

13 Volume Knob AAB7252

14 Select Knob AAB7254

15 LED Lens 301 AAK8084

16 J1903 9P FFC/60V ADD7400

17 J1902 15P FFC/60V ADD7399

18 J1911 19P FFC/60V ADD7422

19 Jack Cover AMR7447

20 Front Frame ANG7445

NSP 21 Display Window 301 AAK8083

22 Screw PPZ30P080FMC

135 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S14

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM3.1 BLOCK DIAGRAM3.1.1 AUDIO AND VIDEO BLOCK

IC901 TC7WU04F

G FRONT INASSY(1/2)

C AUDIO INPUT ASSY

EDSP KAWAASSY

B VIDEO ASSY F DSP ASSY

D MOTHER ASSYCN1204

(19P)

CN1262(19P)

FRONT L

FRONT L

INPUT L

F. OPT

17

8

3

3

CN9001(19P)

CN1264(10P)

CN1265(23P)

CN1801(23P)

CN1813(15P)

CN8009(15P)

CN8003(13P)

CN8017(10P)

CN1811(13P)

SR IN/OUT

OP

T2

OP

T1

CO

AX

SR IN/OUT

12 4 10 7

4 10 7

5 1 3 7

F.O

PT

LIN

FLO

23 11 8

SLO CO

SW

O

4 2 3

1 13 16 20 22 21

3 3 7 11 15 13

3 3 7 11 15 13

12

CN4102(19P)

FRONT L

DIGITALIN

IC701 NJU7312AMSELECTOR

8 9

32

IC702 (1/2)UPC4570G2

IC1261 (1/2)NJM2100M

1

AUDIO INPUTL CH

OPT 1

VIDEO INPUT

INPUT

OUTPUT

CONTROL

VIDEO OUTPUT

(to TV)

OPT 2

DIGITAL AUDIO INPUT

DVD

DVD

TV/SAT

VIDEO

DVR/VCR

DVR OUT

2 5

3

4

10 12

DVD

TV/BS

VIDEO

DVR/VTR

DVR/VTR

11

LOW PASS FILTER

TV/SAT

DVR/VCR

CN701(19P)

CN901(19P)

CN1263(19P)

3

19

CN2501(19P)

8

19

8

8

CN801(13P)7

7

3

21

11

7

9

IC1103 (2/2)NJM4558MD

5

67

IC1103 (1/2)NJM4558MD

3

21

IC1102 (1/2)NJM4558MD

3

21

IC1105 (1/2)NJM4558MD

IC1101 (1/2)NJM4558MD

2

31

3

21

COAX11

OPT17

OPT29

31

28 9

27 25 23 24

IC2501 NJM2296MFUNCTION SELECTOR

13

7

9

5

11VOUT3

1VOUT1

IC8401 AK4529VQ8 ch CODEC

IC8501 DSPD56367PV150(AX6)DSP for DECODE

IC8401AK4114VQDIR & DITVIN1

VIN3

VIN2

VIN4

FM/AM TUNERMODULEA

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

RemoteSensorUnit

IC9001 PD5863AMAIN MICROCOMPUTER

G FRONT INASSY(2/2)

I

H

6CH AMPASSY

AMP KAWA ASSY

J AMP OUT ASSY

M POWER SW ASSY

L FRONT ASSY

K ENCODER ASSY

CN9006(15P)

CN4203(15P)

4206(5P)

4401(5P)

SR

IN/O

UT

V4301FL DISPLAY

IC4201 PE5368BFL CONTROL

MICROCOMPUTER

17

22

IC1221 BD3814FV6 CH E.VOL

IC1305 NJU7311AM

ANDREW PREAMP

POWERAMP

POWERAMP

13

1928

IC3301 STK402-270

127

15

9

30

27

29

32

29FL OUT

CN1501(17P)

CN4701(17P)

12

5

7

6

13

11

SL OUT

C OUT

FL15

20

18

IC3401 STK402-270

1

16

SL

C

CN4706(23P) CN3002

(23P)

CN3001(23P)

CN4705(23P)

CN4703(19P)

9

4

6

SW OUT

CN9010(17P)

CN1204(19P)

4202(3P)

4501(3P)

CN4102(19P)

17

1

17

HP L

HP L

1

10

1

10

IC1301 (1/2)NJM4558MD

5

67

34

2

IC1302 (2/2)NJM4558MD

5

67

2221

23

IC1303 (1/2)NJM4558MD

5

67

910

8

IC1303 (2/2)NJM4558MD

3

21

IC1501 (2/2)UPC4570G2

5

67

IC1502 (1/2)UPC4570G2

5

67

IC1503 (2/2)UPC4570G2

5

67

IC1503 (1/2)UPC4570G2

3

21

RY301

FL

PHONES

5 CHSP OUT

C

SL

RY303

RY304

P-ON1

SW

FLIN

SLIN

CIN

SWIN

FLOUT

SLOUT

COUT

SWOUT

67

78

1415

2223

1716

109

21

1819

67

FL OUT

C OUT

SL OUT

FL OUT

C OUT

SL OUT

34

67

1011

CN203(19P)

CN301(17P)

1716

1413

109

FL OUT

C OUT

SL OUT

SW OUT

HP L

RY304

S4501

STANDBY/ON

1

1

S4401,S4402

155 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S16

3.1.2 POWER SUPPLY BLOCKS

DSP ASSYF

6CH AMPASSY

I

12V ASSYP

AUDIOINPUTASSY

PRIMARY ASSYB

N

VHVL ASSYQ

MOTHER ASSYD

D622-D625

MOTHER ASSYD

POWER LINE

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S
175 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S18

3.2 OVERALL WIRING DIAGRAM

J4601 ADX7442

AUDIO INPUT ASSY(AWX8227)

C

12V ASSY(AWX8170)P

VIDEO ASSY(AWX8225)B

PRIMARY ASSY(AWX8190)

N

FRONT IN ASSY(AWX8219)

G

POWERSW ASSY(AWX8174)

M FRONT ASSY(AWX8199)

L

D 1/5- D 5/5MOTHER ASSY(AWX8197)

D

F 1/2- F 2/2DSP ASSY (AWX8241)F

AC POWER CORDADG7021

AC INLET ASSYVKP2126

CN

8003

CN

8009

CN

8012

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

6CH AMP ASSY(AWM7786)

I

AMP OUT ASSY(AWX8177)

JFM/AM TUNER MODULE ASSY (AXQ7245)

AAMP KAWA ASSY(AWX8223)

H

D5V ASSY(AWX8224)O

DSP KAWAASSY(AWX8167)

E

ENCODER ASSY(AWX8175)

K

VHVL ASSY(AWX8259)

Q

DC FAN MOTORAXM7025

Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST".

195 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S20

3.3 FM/AM TUNER MODULE

FM FRONT END

MW RF TUNING BLOCK

FM/AM TUNER MODULE (AXQ7245)A

OSC : 981 - 2052kHz 9k step

(AM)

(AM

)

(AM

)

(AM) (AM)

(AM)

(FM)

(FM

)(F

M)

(FM)

(FM)

(FM)

(FM) (FM)

(FM

)

(FM

)

A
1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

L201

ATE7003

PLL IC

AM

/FM

IF+

MP

X IC

ATF7026

: AUDIO SIGNAL ROUTE (TUNER)(TX)

: AM SIGNAL ROUTE(AM)

: FM SIGNAL ROUTE(FM)

(AM)

(AM)

(FM)

(AM

)(A

M)

(AM

)

(AM

)

(AM

)

(AM

)

(FM

)

(AM

)

(FM)

(TX)

(TX)

(TX)

(TX)

(TX)

(FM)

: The power supply is shown with the marked box.

A

CN

801

D1/5

215 6 7 8

22

1 2 3 4

1

C

D

F

A

B

E

3.4 VIDEO A

VIDE

REAR PANEL

B
VSX-C301-S
SSY

VIDEO ASSY (AWX8225)BO BLOCK

IC2501 NJM2296M

CN

9001

D1/5


: VIDEO SIGNAL ROUTE

B
2 3 4

5 6 7 8

5
VSX-C301-S
C

D

F

A

B

E

236 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S24

3.5 AUDIO INPUT ASSY

AUDIO INPUT ASSY(AWX8227)

C

CN1263D 2/5

(A)

(A)

(D)

(A)(A)

(A)

(A)

(D) (D)

(D) (D)

(A)

(A)

C
1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

CN

1262

D2/5

FromT1 PT601P


: AUDIO SIGNAL ROUTE (ANALOG)(A)

: AUDIO SIGNAL ROUTE (DIGITAL)(D)

(A)

(A)(A)

(A)(A)

C

CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE.REPLACE ONLY WITH SAME TYPE NO. 49102.5 FOR IC820 AND IC821MFD, BY LITTELFUSE INC.

255 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S26

3.6 MOTHER ASSY (1/5)

CN2501B

CN551N

D 2/5

CN201A

D 2/5

D 1/5 : The power supply is shown with the marked box.

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

CN4203L

F 2/2

D 3/5

D 2/5

D 2/5

CN8012

DC DETECT: 3-4VOVERLOAD DETECT: 2-3VShort-circuit Fan and Powersupply circuit: less than 2V(VH/VL)

D 1/5 MOTHER ASSY (AWX8197)

D 1/5
27
5 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S28

3.7 MOTHER ASSY (2/5) and DSP KAWA ASSY

IATTON : +12VOFF : -12V

NORMAL : 0VOVERLOAD : 5V

D 1/5D 4/5 D 1/5C

N41

02G

CN

701

CC

N90

1C

A/D OVERLOADDETECT

INPUT ATT

CN8017F 1/2CN8009F 1/2CN8003

F 1/2

DSP KAWA ASSY(AWX8167)

E

D 2/5

(A)(A)(A)

(A)

(A)

(A)

(A)

(A)

(A)

(A)

(A)

(D)

(A)

(A)

(A)

(A)

(A)

(A)(A)

(D)

E
1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

D3/5


LOW PASS FILTER

For SP CONFIG.MIX AMP

D 2/5


(A)(A)

(A)

(A)

(A)

(A)

(A)

: AUDIO SIGNAL ROUTE (DIGITAL)(D)


295 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S30


D 3/5 MOTHER ASSY (AWX8197)D 1/5

D2/5

D 3/5

(A)

(A)(A)(A)

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

D4/5

D 3/5


(A)

(A)(A)

(A)(A) (A)

(A)

(A)

(A)

(A)

(A)

315 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S32



D3/5

D 4/5

(A)(A)(A)

(A)(A)

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

D 2/5

CN

4701

HC

N30

1J

VOLUME-∞ to -15dB : 5V-14dB to 0dB : -12V

MUTEON : +3VOFF : -12V

15dB ATT

D 4/5


(A)(A)

(A)(A)

: AUDIO SIGNAL ROUTE (HP OUT)(HP)

(HP)


335 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S34



D 5/5


CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE.REPLACE ONLY WITH SAME TYPE NO. 491004 FOR IC203 MFD, BY LITTELFUSE INC.

CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE.REPLACE ONLY WITH SAME TYPE NO. 491.630 FOR IC206 MFD, BY LITTELFUSE INC.

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

J6001O

CN4201LD 5/5

355 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S36

3.11 DSP ASSY (1/2)

F 1/2

CN

1264

D2/5

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

E

E CN811

CN

1813


F 1/2

F 1/2 DSP ASSY(AWX8241)

375 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S38

3.12 DSP ASSY (2/2)

D 1/5 CN9005F 2/2
1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

F 2/2 DSP ASSY(AWX8241)

F 2/2: The power supply is shown with the marked box.

395 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S40

3.13 FRONT IN and AMP KAWA ASSYS

CN1204D 2/5

FRONT IN ASSY(AWX8219)

G

HP : 0VNo HP : 5V

J4601 ADX7442

G


(HP)

(HP)

(HP)

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

CN3001

CN1501D 4/5

I CN3002I

CN206QCN203J

AMP KAWA ASSY (AWX8223)H


H


(A)

(A)

(A)

(A)

CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE.REPLACE ONLY WITH SAME TYPE NO. 491007 FOR IC4701 MFD, BY LITTELFUSE INC.

415 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S42

3.14 6CH AMP ASSY

Non Distortion Circuit

CN3651

CN3001

CN3002

to FAN Motor

(SL)

(FL)

(SW

)

(C)

(SL)

(FL)

(SW)

(C)

I

CN

4705

HC

N47

06H

1

2

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

6CH AMP ASSY (AWM7786)I

(C)

(SW): C ch AUDIO SIGNAL ROUTE

(SL): SL ch AUDIO SIGNAL ROUTE

(FL): FL ch AUDIO SIGNAL ROUTE

: SW ch AUDIO SIGNAL ROUTE

(C)

(FL)

(SW)

(SL)

I: The power supply is shown with the marked box.: Refer to "7. 1. 4 Circuit Description".

435 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S44

3.15 AMP OUT ASSY

J J

AMP OUT ASSY (AWX8177)J


CN

9010

D4/5

CN

4703

H

CN252Q

OVERLOADDETECT

DC DETECT

SP DETECT


(A)(A)

(A)(A)

(A)


(HP)

(HP)

(HP)

(HP)

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S
455 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S46

3.16 ENCODER, FRONT and POWER SW ASSYSC

N20

7D

5/5

ENCODER ASSY (AWX8175)K FRONT ASSY (AWX8199)L

CN

9006

D1/5

Display Microcomputer

J4401 DE010WE0

K L

ENCODER ASSYS4401 : INPUT SELECTORS4402 : MASTER VOLUME

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

POWER SW ASSY(AWX8174)

M


SW-ON : 0VOTHERS : 5V

LED1 LED2DOLBYDIGITAL

LED3

AUTODTS

LED4

STEREO

LED5DOLBY

PROLOGICII

LED6

ADVANCED

LED7

PHONES

LED8SOUNDMODE

L M

POWER SW ASSYS4501 : STANDBY/ON

475 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S48

3.17 PRIMARY, D5V, 12V and VHVL ASSYS

CN203

620

D 5/5

CN202D 5/5

D5V ASSY (AWX8224)O

12V ASSY (AWX8170)P

C

CN2108C

T1 POWER TRANSFORMERATS7347

O P
1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

PRIMARY ASSY(AWX8190)

N

VHVL ASSY (AWX8259)Q

J470

2H

J301

JJ9

002

D1/5

B2P3-VH

NEUTRAL

LIVE

AC IN

(10A)

(10A)

N Q

• NOTE FOR FUSE REPLACEMENTFOR CONTINUED PROTECTION AGAINST RISK OF FIRE.REPLACE WITH SAME TYPE AND RATINGS ONLY.

CAUTION -

CAUTION : FOR CONTINUED PROTECTION AGAINST RISK OF FIRE.REPLACE ONLY WITH SAME TYPE NO. 491010 FOR IC201 AND IC202 MFD, BY LITTELFUSE INC.

495 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S50

4. PCB CONNECTION DIAGRAMNOTE FOR PCB DIAGRAMS :1. Part numbers in PCB diagrams match those in the schematic diagrams.2. A comparison between the main parts of PCB and schematic diagrams is shown below.

3. The parts mounted on this PCB include all necessary parts for several destinations. For further information for respective destinations, be sure to check with the schematic diagram.4. View point of PCB diagrams.Symbol In PCB

DiagramsSymbol In SchematicDiagrams

Part Name

B C E

D

D

G

G

S

S

B C E

B C E

D G S

B C E B C E

B C E

Transistor

Transistorwith resistor

Field effecttransistor

Resistor array

3-terminalregulator

CapacitorConnector

P.C.Board Chip Part

SIDE A

SIDE B

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

4.1 FM/AM TUNER MODULE

131

24 13

121

AXQ7244

72467245

TU

NE ST

10V

RD

SN

C

24

/IFVtm Rch

GN

DLc

h

MU

TE

E

1

+10V

CE

DI

CL

DO

EA

M R

F

Vt

E

E

1

GND

E

E

E

10

20

11

1

GND

+10V

mono

CN201

Q204

C20

9R

606

C232C60

1

R21

5

R602

C22

5

R60

7

C20

1

C21

3

R21

4

C61

2

R22

5C

231

R60

5

R10

1

C22

1

R21

7

R10

2

C606R60

1

C208

Q60

1

C21

2

R22

6

R21

3

R20

1

R22

7

R20

7

R23

4

R235

C226

R23

7

R23

6

C23

9

C23

3C

220

C23

4

C61

4

D101R103

R104

R220

IC201

C21

6C60

9

C60

2

R604C60

3

C20

5

C23

0

D60

1

R21

0

Q203C60

4

R219

C206C20

2

R218

C20

4

C22

2

C21

7

C23

6

C20

3

C23

8

C61

1

R23

0

C24

2R22

4

R22

9

R22

8

IC202

R209R

208

C104 R24

2C

244

R24

1

C61

0

C10

3R20

4

Q602

R243

R23

2

C61

5C

613

R10

5L601

R21

2

C215

C605

R222

C10

2

R20

2

Q201

R20

6

R20

5

R22

3

R23

8

C21

4

C10

1

R20

3

C235

R23

9

R24

0

R216

C240

R60

3

C60

7C

608

Q20

5

R23

1

131

BLACK

mono

AM

RF

1

+10V

YELLOW

ANP7458-A

GND

Vt

IC201

E

T-meterSide

Printed Side

Printed

+10V

FC

production code

CPSC-BS1 94V-0

IC202

GND

131

6

1

W110

L602

CN201

C241

F203

C211

W109

D202

R233

F601

W107

W10

1

C223

W10

2

C228

R221

L2

W103

W10

6

C237

D201

W10

4

BN

201

C229

C210

W111

C22

4

C227

X201

L201

W108

R211F202

F201

C24

3

Q202

L1

W105

SIDE B

SIDE A

SIDE B

SIDE A

A A

FM/AM TUNER MODULEA

FM/AM TUNER MODULEA

CN801D

(ANP7458-A)

(ANP7458-A)

IC201 IC202Q202

Q203 Q204Q601Q602 Q201 IC202IC201

CN201

CN201

515 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S52

4.2 AUDIO INPUT and 12V ASSYS

13

NP

15

RR

16

C737C738

JA903

C91

5

C73

0

C729C72

4

C72

3

JA703

R62

0

IC621

C621

CN

621

C622

IC620

C620

C759

C758

C757

C75

6

W864

621

W83

8

W81

8

W832

JA701CN704

JA704

JA901

W819

W81

0

W80

2

W848

W80

1

W852

W804

W816

W850

W84

9W847

W817

W845

W81

1

W81

2

W86

3

W834

W853

CN701

W861

W80

9

W80

8

W80

7

W80

6

W80

5

W81

3

W81

4

W835

W820

W854

W851

W827

CN901

W859

W846

W83

3

W855

W81

5

W82

9

W826

W823

W824

W860

W843

W83

1

W82

8

W857

W856

W840

W830

W825

W862

W858W

839

W842

W821

W822

W837

W84

4

W841

W836

JA902

J901

W803

J901A

J701PYKC F4

OP

EN

SID

E

AU

DIO

-IN

PU

T A

SS

'Y

CN901

1.FR

ON

T R

2.G

ND

A3.

FRO

NT

L4.

GN

DA

5.M

ICIN

6.M

CAC

C7.

GN

DT

8.T

Rch

9.G

ND

T10

.T L

ch11

.GN

DV

12.7

3CS

13.S

YCK

14.S

YDT

15.G

ND

U16

.V+1

217

.GD

A218

.GD

A219

.V-1

2

19.IN

Lch

5.G

VC

M4.

GN

DC

6.V

+5D

7.O

PT

18.

GN

DI

9.O

PT

210

.GN

DI

16.IN

Rch

15.G

ND

U14

.GN

DU

13.G

ND

I12

.GN

DI

11.C

OA

X

17.G

ND

A18

.GN

DA

D.C

.

3.G

DA

24.

V-1

2

1.V

+U

122.

V+

12

6.SW

1.SL

5.GN

DA

4.C3.S

R2.G

ND

A

49102.5

OUT

GDA2

SW

F.C

.

(TV/SAT)

3.G

ND

C

SR

OPT2

AW

X82

27-

-U

5.V

-U12

SL(DVR)

GDA2

4910

2.5

IN

V+12

AW

X82

28-

-U

(DVR)

GNDD

(EXT.-IN)

SY

CK

V+5D

V+12

V-12

(VIDEO)

AW

X82

26-

-U2.

RE

T G

V-12

V+12

V+12

V-12

1.R

ET

G

SY

DT

GDA2

J620

V-12

V+12

C

(TV/SAT)(DVD)(DVD)

AW

X81

84-

-U

RchLch

OPT1

COAX

PR

OD

UC

TIO

N C

OD

E

119 119

1 5

IC602

W30

2

C604

W301

IC601

C603

601

-12V+

12V

BA

12TN

JM7912F

A

2.V

+12

1.V

+U

12

12V A

SS

'Y

AW

X8170- -U

4.V

-12

5.V

-U12

PY

KC

F4

J620A

3.G

DA

2

1 5

SIDE ASIDE A

C P PC

AUDIO INPUT ASSYC

CN1263D

(ANP7450-B)

IC621IC620

CN901

CN1262D

CN701

T1 PT

CN621

12V ASSYP

(ANP7450-B)

IC601IC602

621

601

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

ÇS

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IC701

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C906

R905

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IC70

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C911

C910

C701

C702

C703

C704

C705

C706

C707

C708

C713

C714

R701R702

R703

R704

R705

R706

R707

R708

R709

R710

R717

C722

C721

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C727C726R719

R720

R721

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C732

C731C734

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C733

R714R713

C711

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D624

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R767

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IC705

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C754

C752

IC704

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R765

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AWX8194AWX8197AWX8171AWX8200AWX8209AWX8212AWX8203AWX8215

(b)

REPLACE WITH SAME TYPE NO.491004 FOR IC203

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OPEN SIDE

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(ANP7450-B)

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(ANP7452-A)

(ANP7452-A)

IC9001

IC1101-IC1104

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6 Q1265 IC1261

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F12

71

R12

80

R12

84

R1286

R4651

R4652

R9010

R9022

R9019

D801

R808

R80

5

R802

R803

R80

4

D9004

D9003

D90

01

D9002

R9001

C9004

C90

01

D90

10

R9002

R9012

L9002

L9001

C90

15

C9000

R9028

R9031

R9032

R9033

R90

30R

9029

R90

34

D90

12

Q80

1

Q90

01

R9038

R9037

D9014

R9083

R9058

R9059

R9060

Q9004

L801

R9049

D9021

D9020

R9051R9052

R9053

R9055

R9025

D9024D9025

Q4651

Q46

52

C9021

R81

0

C9022

R9094

D9026

R80

9

D80

2

R9091R9089

R9090

CN

1801

CN

1811C

N1813

CN

1264

J9002

CN1263

CN1204

CN

9005

CN801

CN9001

CN9006

J900

2

CN1262

CN

1265

SIDE B

D E

MOTHER ASSYD

DSP KAWA ASSYE

(ANP7452-A)

Q801 Q4651 Q4652Q9001

Q1262 Q1261Q9004

CN1263CN9001CN1262

CN

9005

CN

1264

CN

1265

CN

1801

J900

2

CN

1813

CN

1811

CN9006CN1204

1 2 3 4

5 6 7 8

C

D

F

A

B

E

1

10

23

1

R1263

C1261

R12

61

R12

67

C11

25R

1121

C11

26R

1122

R11

41

3

R1142

Q12

61

R12

80

R9

D90

10

C900

R9

DD

263

CN

9005

CN90

1263

CN90

VSX-C301-S

10

11

7

1

10

19

1

1

17

10

1

31

9 1

61

ATTENTION -EN CAS DE REMPLACE-

IC206 N'UTILISER QUE LA REFERENCE 491.630DE CHEZ LITTELFUSE INC..

MENT DES FUSIBLES

AWX8215AWX8203

AWX8212AWX8209AWX8200AWX8171AWX8197AWX8194

R15

50

R1505

R1402

R1517

R1518

R1537

R1538

R1557

R1558

R1511

R1512

R15

10

R1509

R1531

R1529

R1530

R1532

R1549

R1551

R1552

C1402

C1403

R1565

R1563R

1564

R1566

R15

68

Q1512

R1559

R1560

R12

65

R1197C1185R1193

C1271

F12

71

R12

81R

1285

R12

84

D1211

R4654

R1246

C1243

C12

42

R1242

D1254

C12

52

C12

51

D12

53

D1251

D1252

C1211C1212

C12

28

R1234R1232R1231 R1233

R1229

R1230C

1227

R1221

R1222

R1224

R1226

R1225

R1223

R12

19R

1218

R12

17

C1213

C1215C1214

010

C1330

C13

29

0

R9031

033

R9083

C1312

C1311

C13

19 C1320

C1356

C13

55

R1365

R1364

R1363

C13

61C13

62

C1365

C13

63

C1364

R4655

R4653

R4656

C4660

C4659

C4656

C4657

C4655

Q46

53

D204

C215

C216

F201

F202

C217

R204

D209D207C210

R222

R223

C9021

R225

L9004

R224

C9022

R9094

D13

01

D210

C9023

D9033

R9085

R9084

R9086

R9087

R9088

C6002

D5V ASS'Y

AWX8224- -U

CN1501

CN

9004

06

CN

1207

CN9010

CN207

CN

203

CN202

CN

1265

J6001

SIDE B

D O

D5V ASSYO

(ANP7450-B)

(ANP7452-A)

Q4653 Q1512

CN1501

06 CN202

CN207

CN

203

J600

1

CN9010

575 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S58

4.4 DSP ASSY

A

91

5

144

109

108

72

73

36 1

81

16 9

13

1

B33

34

FC

1

ICT 4

I

I

HF

G

116

3217

C

17

19

11

101 20

1

5 8

AE

G

H

12

11

F

E

J

JTA

G

2322

B

C

44

1

19

10

10

11

1

15

12

13

25

24

36

3748

1

R

11

1

6 1

16

22

1D

D

J

17

12

2

44

R82

25

R87

05

R87

08R

8706

R87

07

C84

23

CN

8001

D84

01C

N80

05C

N80

04

R85

54

R8232

R82

31

R8230

R82

29

JA8101

IC85

01

C83

02

IC83

01

R8411

KN

8501

IC8603

C86

10

C87

05

R8551Q

8501

R8533

R85

31

R8534

R8503R

8226

C8543

IC87

01C

N80

02

R83

45

C84

08C

8407

IC85

02

C85

25

R8206R82

03

R8211

C87

01

C8545

R8205

R82

04

C82

09

C89

01R

8103

C8405

C8404

C84

06

R8219L8205

C8904

C8902

C8215C8214

L8204

R82

13

R82

15R

8209

R82

14

R8015

X82

01

C84

22

CN

8010

R8416

R8413

R8412

R8414

CN

8007

R8553R8552

R8016

R80

17

R8410

R8409R8408D8501

C87

06

L8702

C87

04 C8225

CN

8017

C82

18

C8219

C8221

L840

2

C8419

C8418C8420

IC87

02

R85

50

CN

8008

IC84

01

C82

22

R8339

CN

8009

C8533

JA8103

C8532

KN

8102

IC82

01L8

203

C8217

C8212

C8213

C8201

C8202

L820

1C

8210

R8539

C8536C8537

R85

06

JA8102 C8105

C81

13

C86

03C

8604

C85

47

R85

43

KN8201

R8227

C8546

R83

35

R83

31R

8330

R83

29

CN

8018

C82

26

C85

49

R8522R8521

Q83

41

C85

15

C8516

CN

8006

R8524

R85

19

C83

01Q

8504

CN

8019

L8301

C8554

C85

09C

8507

C8223

R8222

R8223

KN

8101

R81

10

C8003C8004

C8001

C8002

C81

12

C81

07

C85

04

C8505

C85

13C

8512

C85

23 C85

22

R85

11R

8512

R85

13R

8514

R87

04

R88

10

R83

37

R83

36

R82

10

C85

24

R85

30 C8527C8526 C

8528

C85

30

R83

33R

8332

R82

07

R84

05R

8406

R8404

R8328

R8216L8202

CN

8003

R8009

R81

09

R81

07

R81

11 R8010

R81

02

R87

01R

8702

R87

03

C8703

C81

08

C8702

R85

56R

8557

CN

8016

CN

8013

C85

41

R83

46

R88

04

C86

01

R8501

CN

8011

C85

11

R88

03

R88

05

IC86

01 CN

8015

C8503R8502

R8802

R8601

C86

02C

N80

12C

N80

14

R8606

R86

08

R86

05

L860

3

C86

09

L8504

C8550C8551

C85

48R

8540

R85

41X

8501

C86

13

C84

15

C8421

L8601

13

109

37

9

81

16

2085

4 1

1

20

44 34

33

1

3 2

1

112

13 24 2536

3748

119

1

23

1

17

1

SIDE A SIDE A

F F

DSP ASSYF

(ANP7465-A)

IC8201

Q8504IC8702 IC8301Q8341

Q8501

IC8701

IC8501

IC8502

IC8603IC8601

CN1811E

CN

8003

CN1264D

CN

8017

CN1813E

CN

8009

CN9005D

CN

8012

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

151

919

115

1

8

14

13

191

BG

CH

AWX8239

V36

GN

DD

AWX8254

AW

XA

WX

8241

PR

OD

UC

TIO

N C

OD

E

AW

X8240

AW

X8252

A

177

1

GD

AC

GNDD

4

5

AW

X1082

8GN

DD

GN

DD

V11

C

C

AWX8253AWX8255

A

B

AW

X1083

AW

X8250

AW

X8251

C8555

L8005R8005

R8004L8004

R8003L8003

R8002L8002

D84

02 C8411C8410

R8234

R8233

R8228

C8605

C8009

R8504

R8529

R8528

R8555

R8807

R8808

R8806

R8809L8801

C8501C8502

R8510R8509R8508

C8542

C8544

L8701

R8114

C8403C8402

R8115

C8208

D83

03

R8202

R8407

C8204

C8207

L8401

IC8902

IC89

01

C8903

R8001L8001

R8019

R8105

R8417

C8114C8111R8108

R8507

C8417

C8416C8414C8413C8412

R8013

C8409

R8006

L8505

Q8503

D8503

D8502

R8538

R8547R8548

R8338

C8531

R8014

R8201C8203

L8501

R8224

C8534

R8526

C8535

R8104

C8115

R8112

R8515

IC8503

R8516

L8104

R8321R8320

R8340C8007

R8309

R8344R8308

R8310

L8502

C8607C8608

IC8602

R8311

R8536

R8523

R8520

R8505

R8545

D8301

R8549

R8527C8517

R8544

C8514

C8552

R8518R8517

R8542R8546

C8553

D8302

R8341

R8343

C8220

L8102

C8224

R8221

R8220

R8116IC8101

C8005

C8110C8109

L8103

C8006

C8521

C8520C8518

C8012

C8011

C8010

C8008

R8113

R8212

C8206C8205

C8529

R8018

R8403R8402R8401

R8334

R8008

R8532

R8007

R8011

R8012

C8104

C8106R8106L8101

C8211

C8216

C8540

C8539

R8811

C8538

R8801

R8602

R8603

R8812

R8813

C8606

C8014C8013

R8326R8314R8313R8312

R8558

R8537

R8322

R8415

C8401

L8602

OU

T

GN

D

IN

OU

T

GN

D

IN

14 5

8

11617

32

871 14

CN

8009

CN

8003

CN

8012

SIDE B SIDE B

F F

DSP ASSYF

(ANP7465-A)

IC8901IC8101

IC8902

Q8503

IC8503

IC8602

CN

8003

CN

8009

CN

8012

595 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S60

4.5 FRONT IN ASSY

C4121

C4111

D41

02

D4101

C4110

C4114

C4113C

4112

C4109

C4117

R41

07

C4119

R41

05

C4120

C41

18

C41

04

C41

03

C4107

C4106

R4102

C4105

C4102

C4123

C4124

R41

04

R41

06

C4122

R41

03

FRONT IN ASSY

AWX8219

DE CHEZ LITTELFUSE INC.N'UTILISER QUE LA REFERENCE 491010

DES FUSIBLES IC201,IC202EN CAS DE REMPLACEMENTATTENTION

1 19

1

10

19

1

2

3

4

5

6

7

8

9

J4603

J4602

CN4102J4601

JA4102

C4108

JA4103

KN4101

JA4101

C4101

GN

DO

PT

MIC

V-7

V

FRONT IN ASS'YAWX8219

491010 FOR IC201,IC202REPLACE WITH SAME TYPE NO.

CAUTION

MFD. BY LITTELFUSE INC.

GN

DA

GN

DA

HP

L

F.IN

.R

F.IN

.L

GN

DH

GN

DV

GN

DA

V+

5OP

T

MC

AC

CV

+7V

F.V

IDE

OH

P D

CT

HCMK-P3X

F.O

PT

IN

Production Code

GN

DH

CONTACT SIDEHP

R

1 19

R

SIDE A SIDE A

SIDE B SIDE B

G G

FRONT IN ASSYG

FRONT IN ASSYG

(ANP7453-C)

(ANP7453-C)

CN1204D

CN4102

CN4102

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

4.6 AMP KAWA ASSY

CN4703

J470

2

CN4705CN4706

CN4701

6

1

1 23

1

10

17

1 23

119

GN

DA

FUSIBLES

VH

+

FROUT

NC

ATTENTION

V+15

S.R

FR

OU

T

F.LS.L

SB

OU

T

SR

OU

T

SBOUT

PYKC F4

F.R

XP

RO

TE

CT

GN

DS

LITTELFUSE

ACB

EN CAS DE

GN

DA

GN

DA

FLOUTGNDPGNDP

F.L

DE CHEZ

F.R

GNDREG

FLOUT

GN

DA

SROUT

GN

DF

IC4701

NC

SB

NCC

FLO

UT

VH-

FLO

UT

CO

UT

23.

CO

UT

AM

UT

E

NC

V+1

5

V+5

D

S.R

FR

OU

T

FROUT

NC

NCCS.L

AM

UT

E

VH+VH+

REMPLACEMENT

SB

AMPKAWA ASS'Y

AM

UT

ENC

VH-

GN

DA

1.

GN

DA

SB

OU

T

6.

SLOUT1.

VL+

SLOUTVL-VL-

QUE LA

XP

RO

TE

CT

GNDREG

GN

DR

EG

VH+

GN

DA GNDP

COUT

GN

DR

EG

GN

DR

EG

ACB

491007

VH-

SLO

UT

VL+

SBOUT

N'UTILISER

SLO

UT

AWX8223- -U

REFERENCE

V+5

D

GNDS

GN

DA

NC

VH

+

INC.

VL+

VL-

COUT

SROUTSR

OU

T

ZA

1

6

117

ZA

IC4701

4701

W40

4

J4702W408

W40

3

CN4706

W405

CN4701

W40

2

W401 W406

4702

W407

W409

CN4705

W410

CN4703

GN

DA

F.L

SBOUT

GN

DA

GN

DA

SLO

UT

S.L

WITH

XP

RO

TE

CT

AM

UT

E

GN

DA

FLO

UT

GN

DR

EG

FR

OU

T

IC4701

GNDPGNDP

C

1.V

+5D

S.R

1.

SB

OU

T

MFD.

INC. 6.

GN

DR

EG

TYPE

SB

OU

T

BY

S.L

AC

B

FROUT

COUT

FLOUT

VH

+ VH-

NC

V+15

CO

UT

GN

DS

VH-VH-

AMPKAWA ASS'Y

CAUTION

GN

DR

EG

NC

V+1

5

F.R

PYKC F4

LITTELFUSE

FLOUT

S.R

VH+

VH+

GN

DA

NC

VL+

SR

OU

T

FR

OU

T

SR

OU

T

SB

NC

NC

NC17

.SB

VH

+

NC

SLOUTVL-

AWX8223- -U

1.NC

GN

DA

FLO

UT

V+5

D

REPLACESAME

GNDP

C

VH+

SROUT

AM

UT

E

XP

RO

TE

CT

COUTVL+VL+

GN

DA

GN

DF

GN

DR

EG

NO.491007

F.R N

C

AM

UT

E

GN

DR

EG

SLOUT

SLO

UT

ACB

GNDSSBOUT

F.L

23.491007

SROUTVL-

FOR

FROUT

CO

UT

VL-VH+

1

6

1 23

10

1 23

119

SIDE A SIDE A

SIDE B SIDE B

H H

AMP KAWA ASSYH

AMP KAWA ASSYH

(ANP7450-B)

(ANP7450-B)

CN1501D

CN4701

CN4701

CN3002I

CN4706

CN3001I

CN4705

CN4706 CN4705

CN203J

CN4703

CN206Q

J4702

CN4703 J4702

615 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S62

4.7 6CH AMP ASSY

IRFI9Z34G

FLO

UT

SW

OU

T

SR

OU

T

123

wo

rd s

urfa

ce

1910

1

wo

rd s

urf

ace

1910

1

AM

P A

ssy

7788

GNDP

VH

+

VL+

VL-

NJM

7805FA

123

FROUT

VH+

VH-

AW

M

-B

+B

GNDP

SLOUT

GNDS

GNDP

CM

KD

-P3X

Production C

ode

Word S

urface

UN

+8

VA

-12

FC

DC

778777867720

SWOUT

VA-12

GNDREG

SROUT

VD+5

VPF+15

VP+15

XPROTECT

VF-12

+B

-B

GNDP

GNDP

GNDP

VL+

VL+

VL-

+B

IRFI9Z34G

-B

VL-

2SD

2012N

JM7912FA

Surface

Word

IRFIZ34G

D3393

W205

R3318

D3389

W198

R3388

W120

W170

W143

C3478

W138

W139

W140

Q91

W142

R3427

W141

W154

C3377

C3577

R3520

C3402

D3325

W123

C98

D3324

C3424

C91

C3317

C3578

C3423

C3422

D98

D3328

W124

C3501

D3651D3652

W104

D3653

D3654W

121

W126

D3326

W159

W151

W158

W105

W125

W145

W148

W147

D3323

W172

W171

W107

W173

IC81

C3301

D82

C3652

C3651

D3655

W106

W109

W110

W108

W119

C3508

R3657

Q3654

W192

W122

C3653

W161

W195

W196

W194

W160

CN

3002

IC3301

W190

W169

IC3401

W168

D3427

D3428 D3422

W187

W162

D3423

R3519

D3421

W167

R3517

W188

W166

R3417

W163

W150

C3323

C3307

W144

W193

W146

W127

D3426

R3422

R3420

R3419

W191

W197

Q61

R3418

W164

D3391

D63

W129

C3408

C3507

D3424

W128

CN

3001

W111

W113

W130

W135

W112

W165

W189

Q62

C82

W103

W101

W117

D3385

D3425

IC71

W131

W132

C101

D33

92

Q3383

W149

W136

W116

W118

R3428

W115

CN

3651W

114

W133

W157

W177

W179

W176

R3421

W182

W178

W174

W199

W181

W175

W180

C3407

C3421

Q3384

W137

D3387

D72

C3378

IC3303

D3388

D3327

W202

C72C3322

R3328

R3327

C3318

W200

W201

W183

W185

W152

W207

R3387

D3386

W206

C63

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15

Q2502

Q2501

C25

01

C2502

C2503

C2504

R25

14

R25

17

JA2501 JA2502 JA2503JA2505

W904

W942

W911

W908

W922

W910

W916

W918

W912

W914

W915

W927

W907

W941

W929

W901W917C

N25

03

W905

W913

W906

W920

W930

W92

4

W934

W90

2

W921

W932

W90

3

JA2506

W947

W940

W936

W937

CN2501

W935

W923

W925

W948

W933

W909

W919

W931

W939

JA2504

W928

W938

W926

J240

1A

V+6VGNDVV-6VVIDEO3VIDEO2VIDEO1 V+6V

GNDV

V-6V

VIDEO3

VIDEO1U2

FU

RN

IOU

T

VID

EO

4V

IDE

O3

VID

EO

2V

IDE

O1

V-1

2G

ND

VV

+12

F.V

GN

DV

GN

DU

RM

CS

RIN

NC

NC

NE

WS

R

NC

RX

XD

AWX8191- -U

AWX8225- -U

AWX8247- -U

VIDEO ASS'Y

NC

DV

R-O

UT

(J O

NLY

)

VID

EO

TV

/SA

T

DV

R-I

N

DV

D

AWX8248- -U

MO

NIT

OR

1

PYKC F4

AWX8181- -U

SIDEOPEN

15

1 19

1

2

3

4

56

7

SIDE A

B

SIDE A

SIDE B SIDE B

B

VIDEO ASSYB

VIDEO ASSYB

(ANP7450-B)

(ANP7450-B)

IC2501Q2505 Q2504 Q2503

Q2502 Q2501

CN9001D

CN2501

CN2501

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

5. PCB PARTS LIST Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List.The mark found on some component parts indicates the importance of the safety factor of the part.Therefore, when replacing, be sure to use parts of identical designation.When ordering resistors, first convert resistance values into code form as shown in the following examples.Ex.1 When there are 2 effective digits (any digit apart from 0), such as 560 ohm and 47k ohm (tolerance is shown by J=5%, and K=10%).

Ex.2 When there are 3 effective digits (such as in high precision metal film resistors).

5 6 14 7 3

R 5 01 R 0

5 6 2 1

NOTES:

560 Ω47k Ω0.5 Ω1 Ω

RD1/4PU JRD1/4PU JRN2H KRS1P K

56 x 10 1

47 x 10 3

R501R0

561473

5.62k Ω RN1/4PC F562 x 10 1 5621


LIST OF ASSEMBLIES NSP 1..COMPLEX ASSY AWM7765 2..12V ASSY AWX8170 2..AMP OUT ASSY AWX8177 2..PRIMARY ASSY AWX8190 2..AMP KAWA ASSY AWX8223 2..D5V ASSY AWX8224 2..VIDEO ASSY AWX8225 2..AUDIO INPUT ASSY AWX8227 2..VHVL ASSY AWX8259 NSP 1..MOTHER ASSY AWM7766 2..DSP KAWA ASSY AWX8167 2..MOTHER ASSY AWX8197 NSP 1..FRONT ASSY AWM7780 2..FRONT ASSY AWX8199 2..POWER SW ASSY AWX8174 2..ENCODER ASSY AWX8175 2..FRONT-IN ASSY AWX8219 NSP 1..AMP MODULE 6CH AXQ7247 2..6CH AMP ASSY AWM7786 1..FM/AM TUNER MODULE AXQ7245 1..DSP ASSY AWX8241


AFM/AM TUNER MODULESEMICONDUCTORS

IC201 BA1451FIC202 LC72131MDQ201, Q204, Q205 2SC2412KQ202 DTA124ESQ203 DTC124EK

D201 1SS133D202 MTZJ5.1C

COILS AND FILTERSL201 FM DETECTOR COIL ATE7003F202 CERAMIC FILTER ATF-107F201 CERAMIC FILTER ATF-119F203 AM CERAMIC FILTER ATF7026

CAPACITORS

C206 CCSRCH100D50C212, C213, C226, C233–C235 CCSRCH101J50C240 CCSRCH101J50C231, C232 CCSRCH150J50C223 CEAT100M50

C229 CEAT101M10C224 CEAT1R0M50C227 CEAT220M25C241 CEAT2R2M50C243 CEAT330M16

C228 CEAT3R3M50C237 CEAT470M10C211 CEJQ1R0M50C210 CEJQ470M16C204, C238, C602 CKSRYB102K50

C101, C102, C208, C220, C239 CKSRYB103K50C242, C601 CKSRYB103K50C216, C217, C225 CKSRYB153K50C201, C205, C209, C214, C230 CKSRYB223K50C236, C603 CKSRYB223K50

C221 CKSRYB224K10C202, C222 CKSRYB473K16C215 CKSRYB681K50

RESISTORSR211 RD1/4PU221JR221 RD1/4PU222JR233 RD1/4PU391JR243 RS1/10S0R0JR103 RS1/10S331J

R104 RS1/10S391JOther Resistors RS1/16S###J

OTHERSCN201 13P CONNECTOR 52044-1345BN201 TERMINAL 4-P AKA7003 (SHIELD CASE T) ANK7072 (SHIELD CASE B) ANK7073X201 CRYSTAL RESONATOR ASS1093 (7.2MHz)

FM FRONTEND AXF7003 AM RF TUNING BLOCK AXX7071

BVIDEO ASSYSEMICONDUCTORS

IC2501 NJM2296MQ2501 2SA1515


735 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S74

Q2502 2SC3377Q2505 DTA124EUAD2509-D2511 1SS355

D2501-D2504 DAN202KD2505,D2506 UDZS6.2B

CAPACITORSC2505-C2507,C2517 CCSRCH221J50C2513,C2514 CEAT470M10C2501-C2504,C2511,C2512 CEAT470M25C2518,C2524 CKSRYB103K50C2519 CKSRYB104K25

RESISTORSR2514,R2515 RS2LMF181JOther Resistors RS1/16S###J

OTHERSCN2501 19P CONNECTOR 52044-1945JA2504 MINI JACK AKN7037JA2505 REMOCON JACK RKN1026JA2506 1P PIN JACK VKB1122JA2501,JA2502 2P PIN JACK VKB1134

CAUDIO INPUT ASSYSEMICONDUCTORS> IC620, IC621 PROTECTOR(2.5A) AEK7014

IC701 NJU7312AMIC901 TC7WU04FIC702 UPC4570G2D622–D625 1SR154-400

D701 DAN217

COILS AND FILTERSF620, F621 CHIP BEADS DTF1070L901 CHIP SOLID INDUCTOR QTL1013

CAPACITORSC622 (1/100V) ACH1237C701–C708, C725–C727 CCSRCH101J50C731, C732 CCSRCH101J50C709, C710 CCSRCH220J50C908 CCSRCH470J50

C904 CCSRCH471J50C723, C724 CEAT100M50C620, C621 CEAT222M25C737, C738 CEAT470M25C729, C730 CEAT4R7M50

C711, C721, C722, C735, C736 CKSRYB103K50C905, C906 CKSRYB103K50C901, C902 CKSRYB104K25C903, C909–C911 CKSRYB105K10

RESISTORS> R620 RD1/4MUF4R7J

Other Resistors RS1/16S###J

OTHERS621 5P CABLE HOLDER 51048-0500CN704 4P PIN JACK AKB7015CN621 3P TOP POST B3B-EHJ620 JUMPER WIRE 5P D20PYY0510EJA901, JA902 OPT. LINK IN GP1FA513RZ

Mark No. Description Part No.JA903 1P PIN JACK VKB1077JA701 4P PIN JACK VKB1132CN701, CN901 19P CONNECTOR VKN1775

DMOTHER ASSYSEMICONDUCTORS> IC206 PROTECTOR(630mA) AEK7006> IC203 PROTECTOR(4A) AEK7018

IC1221 BD3814FVIC1261 NJM2100MIC1101-IC1103,IC1105,IC1301-IC1303 NJM4558MD

IC210 NJM78L05AIC1271 NJM78M05FAIC205 NJM78M56FAIC1305 NJU7311AMIC9001 PD5863A

IC1501-IC1503 UPC4570G2Q801 2SC2412KQ1261,Q1262,Q1301,Q1503,Q15042 SC3326Q1507,Q1508,Q1511 2SC3326Q1103,Q1104 2SK208

Q1101,Q1263,Q1266,Q9004 DTA124EKQ9008-Q9010 DTA124EKQ1102,Q1265 DTC124EKQ1264,Q9001 DTC143EKQ9011 DTC143TK

D204 1SR154-400D1101,D1102,D1253,D1254,D801 1SS355D9001-D9004,D9010,D9012 1SS355D9020-D9024,D9026 1SS355

> D203 D3SBA20

D1301 DAN217D210 RB501V-40D207 UDZS20BD1251,D1252,D209 UDZS6.8B

COILS AND FILTERSL9001,L9002 CHIP FELITE BEADS ATL7002F1271,F201, F202 CHIP BEADS DTF1070L9003 RADIAL INDUCTOR LFEA2R2JL801 CHIP SOLID INDUCTOR QTL1013

CAPACITORSC9003 (0.22F/5.5V) ACH7144C1123,C1124,C1143,C1248,C1249 CCSRCH101J50C1261,C1262,C1363-C1365 CCSRCH101J50C1501,C1502,C1521,C1522 CCSRCH221J50C1542 CCSRCH271J50

C1105-C1108,C1125-C1128,C1145 CCSRCH331J50C1147 CCSRCH331J50C1103,C1104 CCSRCH471J50C1221-C1226,C1229-C1234 CEAT100M50C9005 CEAT101M10

C1270,C807 CEAT101M16C9007 CEAT102M6R3C211 CEAT220M50C214 CEAT221M25C9002 CEAT221M6R3

C1253,C1254 CEAT331M10C212 CEAT331M50C209 CEAT332M16


1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

C220 CEAT470M16C213 CEAT471M35

C9013 CEAT471M6R3C1263,C1264 CEAT4R7M50C1265 CEJQ221M6R3C1344,C1503,C1504,C1523,C1524 CEJQ4R7M50C1543,C1544 CEJQ4R7M50

C1111,C1112,C1131,C1132 CKSQYF225Z16C1151,C1152,C1505,C1506 CKSQYF225Z16C1525,C1526,C1545,C1546 CKSQYF225Z16C801, C9015,C9022,C9024 CKSRYB102K50C1146,C1185,C1186,C1199 CKSRYB103K50

C1227,C1228,C1251,C1252,C1269 CKSRYB103K50C1311,C1312,C1319,C1320 CKSRYB103K50C1329,C1330,C1361,C1362,C802 CKSRYB103K50C804, C9001,C9004,C9008,C9021 CKSRYB103K50C1266 CKSRYB104K16

C1187,C1188,C1237-C1240,C1271 CKSRYB104K25C215, C216 CKSRYB104K25C1272,C803, C805, C9006 CKSRYB105K10C1144 CKSRYB223K50C1301,C1302,C1313,C1314,C1323 CKSRYB332K50

C1307,C1308,C1315,C1316,C1324 CKSRYB393K25C1198 CKSRYB471K50C1133,C1134,C1153,C1154 CKSRYB472K50C1235,C1236 CKSRYB472K50C1341 CKSRYB473K25

C210, C217 CKSRYB473K50C1148 CKSRYB562K50C1342 CKSRYB822K50C1402,C1403 CKSRYF224Z25C1565 CKSRYF474Z16

RESISTORSR9001,R9091 RS1/10S101JR1251,R1252 RS1LMF101JR203 RS1LMF102JOther Resistors RS1/16S###J

OTHERSCN1262,CN1263 19P CONNECTOR 19R-1.25FJCN207 9P FFC CONNECTOR 52045-0945CN801 13P FFC CONNECTOR 52045-1345CN9006 15P FFC CONNECTOR 52045-1545CN1501,CN9010 52045-1745 17P FFC CONNECTOR

CN1204,CN9001,CN9005 52045-194519P FFC CONNECTORCN1265 23P PLUG AKP7064CN203 3P CONNECTOR POST B3B-PH-KCN202 6P CONNECTOR B6B-EH

J9002 CONNECTOR ASSY PF04PG-D059001-9003 PCB BINDER VEF1040CN1264 10P FFC CONNECTOR VKN1241KN1201 WRAPPING TERMINAL VNF1084X9001 CERAMIC RESONATOR ASS7032(15.7 MHz)

EDSP KAWA ASSYCAPACITORS

C1802 CCSRCH101J50

Mark No. Description Part No.C1267,C1268 CEAT100M50C1101,C1102,C1121,C1122 CEAT2R2M50C1141,C1142,C1161 CEAT2R2M50C1801 CEAT331M16

RESISTORSAll Resistors RS1/16S###J

OTHERSCN1811 13P PLUG AKP7059CN1813 15P PLUG AKP7060CN1801 23P SOCKET AKP7075

FDSP ASSYSEMICONDUCTORS

IC8201 AK4114VQIC8401 AK4529VQIC8501 DSPD56367PV150IC8901 NJM2391DL1-33IC8902 NJU7223DL1-18

IC8701 TC74LVX244FTIC8702 TC74VHCT244AFTIC8502 TC7WU04FUQ8504 UMD2NQ8503 UN5112

D8501 1SS355D8401 DAN202KD8402,D8502,D8503 DAP202K

COILS AND FILTERSL8002,L8004,L8501,L8502 ATL7002 CHIP FELITE BEADSL8201,L8203,L8204,L8401,L8402 QTL1013L8504,L8701,L8702 QTL1013 CHIP SOLID INDUCTOR

CAPACITORSC8209,C8210 CCSRCH100D50C8421 CCSRCH101J50C8007,C8008,C8201,C8212,C8214 CCSRCH471J50C8404,C8409-C8414,C8416,C8417 CCSRCH471J50C8419,C8505,C8507,C8509 CCSRCH471J50

C8511,C8512,C8515,C8518,C8520 CCSRCH471J50C8522,C8524,C8526,C8528,C8530 CCSRCH471J50C8532,C8534,C8536,C8539,C8541 CCSRCH471J50C8543,C8545,C8551,C8703,C8706 CCSRCH471J50C8548,C8549 CCSRCH8R0D50

C8701,C8704 CEV100M16C8406,C8415,C8546,C8547,C8902 CEV101M16C8904 CEV101M16C8217,C8225,C8408 CEV470M6R3C8204,C8555 CKSRYB102K50

C8009,C8405,C8418,C8517,C8554 CKSRYB103K50C8010,C8202,C8207,C8213,C8215 CKSRYB104K16C8407,C8420,C8422,C8504,C8513 CKSRYB104K16C8521,C8523,C8525,C8527,C8529 CKSRYB104K16C8531,C8533,C8535,C8537,C8538 CKSRYB104K16

C8540,C8542,C8544,C8550,C8702 CKSRYB104K16C8705,C8901,C8903 CKSRYB104K16C8516 CKSRYB105K6R3C8514 CKSRYB333K16C8203 CKSRYB473K50


755 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S76

RESISTORSR8506 RAB4C101JR8201 RS1/16S1802FOther Resistors RS1/16S###J

OTHERSCN8012 19P FFC CONNECTOR 52045-1945CN8003 13P SOCKET AKP7070CN8009 15P SOCKET AKP7071CN8017 10P FFC CONNECTOR VKN1414X8501 CRYSTAL RESONATOR VSS1171(20MHz)

X8201 CRYSTAL RESONATOR XSS3003(24.576MHz)

GFRONT-IN ASSYCAPACITORS

C4103,C4104 CCSRCH101J50C4107,C4111,C4122 CCSRCH471J50C4108 CEAL470M16C4105,C4109,C4117,C4124 CKSRYB103K50C4102,C4106,C4110,C4123 CKSRYB104K25

C4112,C4113 CKSRYB223K50C4120,C4121 CKSRYF105Z10


OTHERSCN4102 19P FFC CONNECTOR 52045-1945J4601 BOARD IN LEAD WIRE ADX7442JA4101 PIN JACK(3P)GOLD AKB7098JA4102 OPT. LINK IN GP1FA513RZJA4103 HEADPHONE JACK RKN1006

KN4101 WRAPPING TERMINAL VNF1084

HAMP KAWA ASSYSEMICONDUCTORS> IC4701 PROTECTOR(7A) AEK7021

OTHERSCN4701 17P FFC CONNECTOR 52045-1745J4702 LEAD WITH HOUSING ADX7424CN4703 19P SOCKET AKP7073CN4705,CN4706 23P SOCKET AKP71784701,4702 PCB BINDER VEF1040

I6CH AMP ASSYSEMICONDUCTORS> IC71 NJM7912FA> IC3301,IC3401 STK402-270

Q3382 2SA1576AQ62 2SB1237XQ111, Q3381,Q63 2SC4081

> Q61 2SD2012Q3301,Q3302,Q3401,Q3402 2SD2114KQ3501,Q3502,Q3504 2SD2114KQ3654 2SD2144SQ3653 DTA124EUA

Mark No. Description Part No.Q3652 DTA124TK

> Q3383 IRFI9Z34G> Q3384 IRFIZ34G

Q3651 RN1901Q101, Q103 UMB1N

Q102, Q104 UMH1N> D3321-D3326 1SR139-400

D3327,D3328 1SR139-400> D3421-D3426 1SR139-400

D3427,D3428 1SR139-400

D3387,D3388,D3651-D3655 1SS133D101, D102, D3657,D42 1SS355

> D3391,D3392 30PDA20-FC6> D3381,D3382,D3481,D3482 DAN217> D3581,D3582 DAN217

D3389,D3390 MTZJ10C> D72 MTZJ15C

D3393,D3394 MTZJ18B> D63 MTZJ18C

D3385,D3386 MTZJ36A

D105, D106, D3658 UDZS7.5BTH111 NCP18WF104J03RB

CAPACITORSC3305,C3306,C3405,C3406 CCSRCH221J50C3505,C3506,C62 CCSRCH221J50C3309,C3310,C3409,C3410 CCSRCJ3R0C50C3509,C3510 CCSRCJ3R0C50C3307,C3308,C3407,C3408,C3508 CEAL100M16

C3507 CEAL470M6R3C72 CEAT100M50C3651 CEAT101M25C101, C102 CEAT1R0M50C3323,C3324,C3423,C3424 CEAT221M50

C3167,C3168,C3178,C3179 CEAT2R2M50C3301,C3302,C3317,C3318 CEAT2R2M50C3401,C3402,C3501,C3502 CEAT2R2M50C3652,C63 CEAT470M25C3653 CEAT470M35

C3321,C3322,C3421,C3422 CEATR22M50C3303,C3304,C3403,C3404 CKSRYB102K50C3503,C3504 CKSRYB102K50C71 CKSRYB473K50

RESISTORSR3317-R3320,R3417-R3420 ACN7122R3517-R3520 (0.22/2W) ACN7122

> R3327,R3328,R3427,R3428 RD1/4MUF470JR3387,R3388 RD1/4PU101JR3657 RD1/4PU330J

> R3323,R3324,R3351,R3423,R3424 RS1/16S1R0J> R3451 RS1/16S1R0J

R67, R68 RS1/16S2201F> R62 RS1/16S330J

R65 RS1/16S4700F

Other Resistors RS1/16S###J

OTHERSCN3001,CN3002 23P PLUG AKP7064CN3651 PLUG(2P) KM200SA2


1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

JAMP OUT ASSYSEMICONDUCTORS

Q320, Q321 2SA1037KQ303 2SC2712Q301, Q302, Q305, Q308–Q310 2SC4081Q312, Q318, Q319 2SC4081Q307 2SD1858X

Q313 DTA124EUAQ306 DTA143EUAQ311, Q317 DTC124EUAQ316 DTC143EUAQ314 RN2903

D301, D302, D304–D307, D309 1SS355D311–D314, D316, D317 1SS355D322–D327 1SS355D319 DAN202KD303, D310, D315 DAP202K

D318 UDZS5.1B

COILS AND FILTERSL301, L302, L304–L306 ATH-059 AF CHOCKCOIL

SWITCHES AND RELAYSRY301–RY304 ASR7008

CAPACITORSC336 CCSRCH221J50C335 CCSRCH331J50C334 CEAT100M50C333 CEAT471M6R3C301–C304, C316, C318 CKSQYB104K50

C325–C328 CKSQYB104K50C329, C331 CKSRYB102K50C337 CKSRYB104K25C319–C323 XCG3008

RESISTORSR303, R304, R324, R345, R346 ACN7120 (0.1, 2W)

> R309, R310, R330, R351, R352 RD1/2LMF101JR358 RD1/2VM103J

> R311, R312, R317–R320, R332 RS1/10S150J

> R336–R341, R353, R354 RS1/10S150JR313, R314 RS1/10S222J

> R315, R316 RS1LMF331JOther Resistors RS1/16S###J

OTHERSCN301 17P FFC CONNECTOR 52045-1745J301 2P CONNECTOR ASSY ADX7425JA301 PIN JACK(1P) AKB7080401 SPEAKER TERMINAL10-P AKE7093CN203 19P PLUG AKP7062

KENCODER ASSYSWITCHES AND RELAYS

S4402 ASX7041S4401 ASX7043



OTHERS4401 5P CABLE HOLDER 51048-0500

LFRONT ASSYSEMICONDUCTORS

IC4201 PE5368BQ4202,Q4203,Q4210 DTC124EKQ4204,Q4206,Q4208 RN1903Q4211 RN2903D4211 1SS355

D4201,D4202 DAN202KD4207 SLR-343MCD4203,D4204,D4208,D4209 SLR-343VCD4205,D4206,D4210 SLR-343YC

COILS AND FILTERSL4201 LFEA2R2J

CAPACITORSC4203 CEJQ221M6R3C4205 CEJQ470M10C4210-C4213,C4228 CKSRYB102K50C4201,C4202,C4204,C4215-C4217 CKSRYB103K50C4208,C4245 CKSRYB104K25

C4220-C4227 CKSRYB473K50


OTHERS4202 3P CABLE HOLDER 51048-03004206 5P CABLE HOLDER 51048-0500CN4201 9P FFC CONNECTOR 52045-0945CN4203 15P FFC CONNECTOR 52045-1545V4301 FL TUBE AAV7093

J4201 JUMPER WIRE 3P D20PYY0310EJ4202 JUMPER WIRE 5P D20PYY0515E4201 REMOTE RECEIVER UNIT SPS-442-E14301 FL HOLDER VNF1122X4201 CERAMIC RESONATOR(5MHz) VSS1142

MPOWER SW ASSYSWITCHES AND RELAYS

S4501 VSG1009


NPRIMARY ASSYSEMICONDUCTORS> IC551 NJM78M56FA

Q551 2SC4081D551–D553, D557 1SS355

> D555 S1VB20/F03D554 UDZS5.1B

COILS AND FILTERS> L501 LINE FILTER ATF7018


775 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S78

TRANSFORMERS> T501 STANDBY TRANSFORMER ATT7079

SWITCHES AND RELAYS> RY501 ASR7013

CAPACITORS> C501 (0.01/AC275V) ACE7013> C502 (10000P/AC250V) ACG7033

C552 CEAT102M25C551 CEAT470M25C553–C555 CKSRYB103K50

RESISTORS> R504 2.2M/ 1/2W RCN1080

R551 RD1/2VM270JOther Resistors RS1/16S###J

OTHERSH501, H502 FUSE CLIP AKR7001

> CN502 2P-VH CONNECTOR B2P3-VHCN551 4P CONNECTOR B4B-PH-K

> CN501 AC CORD SOCKET RKP1751KN501 WRAPPING TERMINAL VNF1084

OD5V ASSYSEMICONDUCTORS

IC6001 NJM7805FA

CAPACITORSC6001 CEHAT331M16C6002 CKSRYB473K50

OTHERSJ6001 CONNECTOR ASSY PF03PG-D10

P12V ASSYSEMICONDUCTORS

IC601 BA12TIC602 NJM7912FAD601, D602 RB501V-40

CAPACITORSC603, C604 CEHAT221M25C601, C602 CKSRYB473K50


QVHVL ASSYSEMICONDUCTORS> IC201, IC202 PROTECTOR(10A) AEK7022

D320, D321 1SS355> D201, D202 D5SBA20

CAPACITORSC203 1/100V ACH1237C207, C208 ACH7161C204, C205 CEAT222M50C332 CEAT2R2M50

RESISTORSR362 RD1/2VM332J

Mark No. Description Part No.> R202 RD1/4MUF100J

OTHERSCN252 2P-VH CONNECTOR B2P-VHCN201 5P-VH CONNECTOR B5P-VHCN206 6P-VH CONNECTOR B6P-VH


1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

6. ADJUSTMENT6.1 TUNER SECTION

MPX SG FM SG PRODUCT DCVoltmeter

L201

IC201

pin 21 pin 23

FM/AM TUNER MODULEA

SIDE B

StepNo.

AdjustmentTitle

ANT. Input level and signal condition AdjustmentInput Level

(dBµV)Adjustpoint ContentsFrequency

(MHz) Modulation

1T-METER Adjustment

98 OFF 80 L201Adjust L201 so that the DC voltage between Pin 21 and Pin 23 of IC201 (Test point Vtm) gets within 0 ± 50mV.

AM Tuner Section• There is no adjustment in the AM tuner.

FM75Ω antenna terminal

Fig.1 Adjustment Wiring Diagram

Fig.2 Adjustment Point

FM Tuner Section• Set the mode selector to FM BAND.• Connect the wiring as shown in Fig. 1.

795 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S80

7. GENERAL INFORMATION7.1 DIAGNOSIS7.1.1 Test Mode• How to Enter the Test ModeWith the attached Remote Control Unit

1. Test mode ON "MENU" keyWhen Test mode is entered, "TEST" is indicated for 5 seconds.Settings other than those described below return to the factory-preset values.• Function: TV/SAT• Signal select: AUTO• Settings for the speakers: All large, SW ON• No automatic speaker detection• PRO LOGIC2 EMU mode• The tuner is preset for Test mode.• SOUND MODE: OFF The Protection process (Key Mask for 1 min.) is canceled.

2. Test mode OFF "9" keyWhen the code is received, Test mode is terminated, and all settings return to the factory-preset values.With "RECEIVER " key, Test mode is also terminated, and all settings return to the factory-preset values.

3.FL/LED check "0" keyEach time the remote control code is received, the indications on the FL and LED change cyclically, as shown below. All segments on the FL and LED light. → All segments on the FL and LED go off. → "ABCDEFGH" are displayed on the FL, and 1, 3, 5, 7 are displayed on the LED. → "IJKLMNOP" are displayed on the FL, and 2, 4, 6, 8 are displayed on the LED. → Usual display → . . . .When the code is first received, all segments light.

4. SP relay change "1" keyEach time the remote control code is received, the SP relay is turned off then back on. When the code is first received, the SP relay is turned off.

5. DOLBY Pro Logic2 mode "2" keyWhen the code is received, settings other than those described below return to the factory-preset values.• Function: DVD/LD• Signal select: AUTO• Distance of Rear speaker: 5 feet• STANDARD PRO LOGIC2 EMU mode• Speaker setting: LLLLY

7. MASTER VOL CHANGE "4" keyEach time the remote control code is received, the master volume is changed as follows: minus infinity → 0 dB → . . . .Each trim becomes 0 dB.When the code is first received, the master volume becomes minus infinity (MUTE.)

8. 9K/10K CHANGE "5" keyFor the FL (international) model only, when the code is received, 9K and 10K can be switched.When the code is first received, 10K is selected.

9. Automatic detection of speakers "7" key

When the remote control code is received, detection of speakers starts automatically. The results (C_S_W_) will be displayed for 5 seconds. The symbol "Ο" means the speaker is connected, and "×" means the speaker is not connected.C301: C×S× W×

10. Analog input check "8" keyWhen the remote control code is received, Forced Analog Input, and 2-channel STEREO mode are set for all functions.• Settings for the speakers: All large, SW ON• When Analog Input Check mode is entered, "SIG:ANA" is

displayed for 5 seconds.

11. Digital input check "3" keyWhen the remote control code is received, Forced Digital Input, and 2-channel STEREO mode are set for all functions.• Settings for the speakers: All large, SW ON• When Digital Input Check mode is entered, "SIG:DIG" is

displayed for 5 seconds.

12. Version display "1" keyWhen the code is received, the versions of the main microcomputer, display microcomputer, and DSP are displayed. After the versions of microcomputers are displayed for 5 seconds, DSP version is displayed for 5 seconds.Examples:"M011F001": Main microcomputer: Ver. 011, display microcomputer: Ver. 001"PPP. 031": DSP: Ver. 031

Note : Test mode of No. 1-12 is Preset ID 150.Test mode of No. 13, 14 is Preset ID 156.

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

7.1.2 Protection Circuit

Detection method XPROTECT port(A/D)R397: 56 K-ohmsLess than 0.6-0.8 Vdd

Detection start time 2.8 sec after

Process Mute: OnSpeaker Relay: OffShifting to STBY after 3 sec

Display "AMP ERR" flashes for 3 sec

Recovery Hold the STANDBY key pressed for 10 sec.

Remarks The unit will recover if the duration of detection is 3 sec or less.

DC detection

Detection method XPROTECT port(A/D)R363: 27 K-ohms0.4-0.6 Vdd


Process Mute: OnSpeaker Relay: OffShifting to STBY after 3 sec

Display "OVERLOAD" flashes for 3 sec

Recovery Press the STANDBY key.

Remarks

Overload detection

Detection method XPROTECT port (A/D)0.4 Vdd or less


Process Mute: OnSpeaker Relay: OffShifting to STBY

Display No display


Remarks

Fan (temperature) and short-circuit of the power supply circuit

Detection method XPROTECT port (A/D)0.4 Vdd or less


Process Mute: OnSpeaker Relay: OffShifting to STBY

Display No display


Remarks

Fan stop

815 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S82

7.1.3 Specifications of Speaker Detection

mute

10 kΩ

47 kΩ

POWER AMP (IC3401)

Detection of the center speakerCheck signal from microcomputer

Detection signal to microcomputer

Mute

About 8Ω

Results of the Detections Speaker SettingCenter SP Surround SP Sub-woofer Front SP Center SP Surround SP Sub-woofer

Connected Connected Connected Small Small Small ON

Connected Connected Not connected Large Small Small OFF

Connected Not connected Connected Small Small Not connected ON

Connected Not connected Not connected Large Small Not connected OFF

Not connected Connected Connected Small Not connected Small ON

Not connected Connected Not connected Large Not connected Small OFF

Not connected Not connected Connected Small Not connected Not connected ON

Not connected Not connected Not connected Large Not connected Not connected OFF

1. PurposesAutomatic detection of connected speakers and automatic selection of settings appropriate for the detected speakers allow you to easily play surround-sound without your making cumbersome speaker settings.

2. Speaker detection methodAutomatic detection of connected speakers starts 1120 ms after the power is turned on.

• Detection of the center and surround speakersThe microcomputer sends a detection signal and reads the logic of the response signal to judge whether the speaker is connected or not. The response signal is read at A/D input, and a voltage of 3 V or more is judged as no speaker connected.

• Detection of the subwooferThe logic of the signal from the phono jack with a switch is read by the microcomputer to judge whether a speaker is connected or not.

3. Speaker settingsAccording to the results of detection, speaker settings are made as shown below.Rules: The setting for the front speakers depends on whether a subwoofer is connected or not. If a subwoofer is connected, the setting for

the front speakers is "small." Settings for other speakers are "small" or "not connected" depending on the results of detection.Settings for the rear surround speakers are in effect only when surround speakers are connected.

4 User's settingsMore detailed speaker settings can be made in Setup mode. Once the user's settings are made in Setup mode, those settings have priority. However, if the configuration of connected speakers changes, then the detection results become valid and have priority over the user's settings until new user's settings are made.

5 Detection circuit for the center speaker

Satellite speakers may be connected.

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

7.1.4 Circuit Description

to XPROTECT µ-com

AMP Assy

R10827k

R101 (R104)

1k

C101 (C102)1/50

Q102 (Q104)

Q101 (Q103)

D101 (D102)

D105 (D106)

UDZS7.5B

Q101 (Q103)

C2

E2

B2

E2

C2

B2

C

E

B

E

CB Q102

(Q104)R102 (R105)

10k

R103 (R106)

10k

A

B

V+5D

VD+5VH+

(VP+15)

VH– (VA–12)

• In Normal mode, as Q101 (Q103) (E2, B2, C2) and Q102 (Q104)(E2, B2, C2) are on, the voltage at Point A is about 5 V. The voltage at Point B is therefore about the same. As Q101(Q103) (E, C, B) is off, Q102 (Q104) (E, C, B) is also off.

(1) When VH+(VP+15) is short-circuited to GNDAs the voltage at Point B becomes almost ground potential, and Q101 (Q103) (E, C, B) then Q102 (Q104) (E, C, B) are turned on, the level of XPROTECT becomes low.→ The microcomputer detects the XPROTECT level and shuts the power to the unit off.

(2) When VH–(VA–12) is short-circuited As the electric potential of VE at Q102 (Q104) (E2, C2, B2) becomes the same as that at VB, Q102 (Q104) (E2, C2, B2) is turned off. Following this, Q101 (Q103) (E2, B2, C2) is turned off, which changes the voltage at Points A and B to a value other than 5 V. Therefore, Q101 (Q103) (E, C, B) then Q102 (Q104) (E, C, B) are turned on, the level of XPROTECT becomes low.→ The microcomputer detects the XPROTECT level and shuts the power to the unit off.

(3) When VD+5 is short-circuitedThe level of the XPROTECT line becomes low. The microcomputer detects the XPROTECT level and shuts the power to the unit off.

1 Short-circuit-detection circuit for the amplifier power circuit (+15 V[VP+15], VD+5, -12 V [VA-12])

Circuit for shutting the power off when VP+15, VD+5, or VA-12 is short-circuited to ground (GND)

XPROTECT µ-com

Q3654 2SD2144S(VW)

Q3652 DTA124TK

Q3651 RN1901

Q3651 RN1901

D3658 UDZS7.5B

D3657 1SS355

FAN+

FAN-

C2

E2

C

E

BB2

D3656 S5688G

D3655 1SS133

V+12F

VD+5

R365622k

R3655 8.2k

R108 27k R3654

1.8k

R3658 2.2k

R3657 33(1/4W)FU

C365247/50

AMP Assy

V-12F

A

2 FAN Detection Circuit

If no fan is connected between FAN+ and FAN-, or when the fan cannot rotate because of a foreign object caught in the blades, the BASE of Q3652 becomes OPEN, and Q3652 and Q3651 (E, C, B) are turned off. Then Q3651 (E2, B2, C2) is turned on, and the level of XPROTECT becomes low.→ The microcomputer detects the XPROTECT level and shuts the power to the unit off.

When FAN+ and FAN- are short-circuited, the electric potential at Point (A) becomes higher than GND level by the addition of the values at D3656 and D3657. As this value is lower than that at D3658, Q3651 (E, C, B) is turned off, Q3651 (E2, B2, C2) is turned on, and the level of XPROTECT becomes low.

Note: Refer to the Schematic Diagram about the actual circuit.(The & number corresponds to the marked circuits.)

835 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S84

7.1.5 Troubleshooting

Power on

Yes

Yes

NOFL lit?

OK

Set.

NO

NO

5.1 CHoutput OK?

SP OutputIndicator

(5 symbol) lit?

Any errormessage

displayed?

Level of HPDT(Pin 57 of IC9001)

L?

Unit turnedon from remote

control unit?

Check output of Pins 5, 7,9, 11, 13, 15 of CN1813.

NO

Yes

Yes

Yes

Check waveforms at R1202,R1203, and R1205-1208.

Yes

Yes

Yes

Yes

Yes

Format Indicator (for input: characters in red)and the DOLBY DIGITAL

LED lit?

SURROUND set to AUTO?Check Output Format Indicator.

Check settings of source DVD player.

NO • Check settings of source DVD player.• Check if ANALOG/DIGITAL signal selection switch set to DIGITAL or AUTO.• Check if input selection for coaxial and Optical 1 set properly.

NO NO

NO

Check output of Pins 27-32 of IC1221.

Yes

Check Pins 15 and 17-21 of CN3002.

Yes

Yes

• Check connections between MOTHER and FRONT IN Assys.• Check soldered bridge at CN4102 and CN1204.• Defective JA4103

NO AMP ERRdisplayed?

Yes • Check XPROTECT.• Check VL/VH voltage.• Check if SP terminal short-circuited.

• Check connections between FRONT Assyand MOTHER Assy.

• Check voltage at V5UA and V5UB on FRONT Assy, VSST on MOTHER Assy.

• Check oscillation circuit at X4201 and X9001.• Check ACWP signal at Pin 18 of IC9001.

Check the following: • 1WUP on Pin 20 of IC9001, ACRY on Pin 1

of CN551, XREST on Pin 12 of IC9001.• Check communication between IC4201 and

IC9001.

• Check V+5D (Pins 8 and 9 of CN1811) and V+5A (Pin 12 of CN1811).

• Communication failure of DSP, CODEC or DIR.

• Check power voltage of each DSP core.• Check digital input data on Pin 4, 7, 10 of CN1264.

NO• Check control lines and voltages of Pins 36, 37 of IC1221.

NO • Check power voltage of IC1501-1503.• Check AMUTE.

Check Pins 3, 7, 10, 14,18, 22 of CN3001.

Yes

Check SP OUT.

NO• Check power voltage and periphery of IC3301 and IC3401.

NO• Check power voltage of IC1301-1303.

Check KEY 1 (Pin 22 of IC4201 on Front Assy).

(using key on main unit)

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

Troubleshooting 2

• Pull out the Power Cord from the outlet.

When unable to operate the product (even if you push Power Switch Key)

• This troubleshooting is the repair method when the Microcomputer is hanged up by unexpected use environment.

• Short-circuits C9003 (MOTHER ASSY) for a moment, and discharge an electric charge.

• Turn on the power (Plug in the Power Cord to the outlet.)

855 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S86

7.1.6 Timing Chart

020

040

050

060

010

0011

2012

0015

0018

0020

0028

0030

0036

0048

0052

0056

0060

0060

80 (

mse

c)

AC

rel

ay"H

" (o

n)

(por

t)

A.M

UT

E"L

" (m

ute)

"L"o

r"H

"

(por

t)

last

dat

a

last

dat

a

last

dat

a

last

dat

a

last

dat

a

star

t con

trol

dum

my

data

mut

e (o

ff)

star

t con

trol

(IC

2104

: N

JU73

12A

M)

DS

P,2

ch, 5

.1ch

LIN

E

(IC

1211

: N

JU73

13A

M)

VID

EO

sys

tem

(IC

2205

: N

JM22

96)

TU

NE

R

(IC

202

: LC

7213

1)

E-V

OLU

ME

mut

e

(IC

1221

: B

D38

14F

V)

DS

Pre

set

(IC

8501

: D

SP

D56

367P

V15

0)

DIR

/CO

DE

Cre

set

(IC

8201

: A

K41

14V

Q

/ IC

8401

: A

K46

28V

Q)

SP

EA

KE

R r

elay

off

on

OV

ER

LOA

D D

ET

EC

Tst

art c

ontr

ol

AM

P E

RR

OR

DE

TE

CT

star

t con

trol

FA

N E

RR

OR

DE

TE

CT

star

t con

trol

FU

NC

TIO

N S

Wfu

ll op

en

Ana

log

Po

wer

ON

init

ial t

imin

g c

har

t

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

0 400

AC relay "H" "L"

(port)

A.MUTE "L"

(port)

FUNCTIONS full open

(IC2104 : NJU7312AM)

DSP,2ch, 5.1ch LINE no care

(IC1211 : NJU7313AM)

VIDEO system mute

mute

mute

(IC2205 : NJM2296)

TUNER

(IC202 : LC72131)

E-VOLUME

(IC1221 : BD3814FV)

off

DSP

(IC8501 : DSPD56367PV150)

DIR/CODEC

(IC8201 : AK4114VQ / IC8401 : AK4628VQ)SPEAKER relay

(port)

OVERLOAD DETECT

AMP ERROR DETECT

FAN ERROR DETECT

Power OFF initial timing chart

875 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S88

1.W

hen

fu

nct

ion

ch

age

06

0m

s p

ass

12

0m

s p

ass

18

0m

s p

ass

24

0m

s p

ass

30

0m

s p

ass

48

0m

s p

ass

50

0m

s p

ass

A.M

UT

E"L

"(m

ute)

"L"o

r"H

"

(por

t)

E-v

olum

eM

ute

data

Last

dat

a

(IC

1221

: B

D38

14F

V)

Fun

ctio

n S

WN

ow d

ata

Ful

l ope

nN

ew d

ata

New

dat

a

(IC

2104

: N

JU73

12A

M)

AN

DR

EW

SW

Now

dat

aB

YP

AS

S

(IC

1305

: N

JU73

11A

M)

Vid

eo s

elec

tN

ow d

ata

off

New

dat

a

(IC

2205

: N

JM22

96)

DS

P o

r di

rect

cha

nge

Now

dat

aN

ew d

ata

(IC

1211

: N

JU73

13A

M)

Spe

aker

rel

ayN

ow d

ata

Now

dat

a

Now

dat

a

New

dat

a

(por

t)

Gai

n se

lect

New

dat

a

(por

t)

Inpu

t att

sele

ctN

ew d

ata

(por

t)

Con

ditio

n of

mut

e ca

ncel

(sy

stem

mut

e &

E-v

olum

e m

ute)

1) w

hen

tune

r m

ute

durin

g T

uner

func

tion

2) w

hen

com

mun

icat

e to

DS

P3)

whe

n in

itial

pro

cess

ing

4) w

hen

dete

ct tr

oubl

e of

AM

P D

C5)

whe

n de

tect

ove

rload

of A

MP

6) w

hen

Pow

er o

ff7)

whe

n m

utin

g by

key

inpu

t

IC d

ata

tran

smis

sio

n t

imin

g c

har

t

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

06

0m

s p

ass

12

0m

s p

ass

18

0m

s p

ass

24

0m

s p

ass

30

0m

s p

ass

48

0m

s p

ass

50

0m

s p

ass

A.M

UT

E"L

"(m

ute

)"L

"or"

H"

(por

t)

E-v

olum

eM

ute

data

Last

dat

a

(IC

1221

: B

D38

14F

V)

AN

DR

EW

SW

Now

dat

aN

ew d

ata

New

dat

a

New

dat

a

(IC

1305

: N

JU73

11A

M)

DS

P o

r di

rect

cha

nge

Now

dat

a

Now

dat

a

Now

dat

a

Now

dat

a

New

or

last

dat

a

New

or

last

dat

a

(IC

1211

: N

JU73

13A

M)

Spe

aker

rel

ay

(por

t)

Gai

n se

lect

(por

t)

Inpu

t att

sele

ct

(por

t)co

nditi

on o

f mut

e ca

ncel

(sy

stem

mut

e &

E-v

olum

e m

ute)

1) w

hen

tune

r m

ute

durin

g T

uner

func

tion

2) w

hen

com

mun

icat

e to

DS

P3)

whe

n in

itial

pro

cess

ing

4) w

hen

dete

ct tr

oubl

e of

AM

P D

C5)

whe

n de

tect

ove

rload

of A

MP

6) w

hen

Pow

er o

ff7)

whe

n m

utin

g by

key

inpu

t

2. W

hen

exc

ept

fun

ctio

n c

han

ge

895 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S90

7.2 PARTS7.2.1 IC

• Main Microcomputer

• The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams.

• List of ICPD5863A, PE5368B

PD5863A (MOTHER ASSY : IC9001)

Pin Arrangement (Top View)

TMUTE

STEREO

TUNED

RDS FM+

RDS DT

RDS CLK

SP_CONT

VIDEO4

VIDEO3

VIDEO2

VIDEO1

SWDET

furniture

SDVR

SSTB

SDVD

GND

EVR DT

5V

EVR CLK

LOW_POW

MVRATT

RY-AC

HP DET

RY_SP

RY_HP

MCACC

AMUTE

GAIN_SEL

IATT

80

79

78

77

76

75

74

73

72

71

70

69

68

67

66

65

64

63

62

61

60

59

58

57

56

55

54

53

52

51

P10/D8

P11/D9

P12/D10

P13/D11

P14/D12

P15/D13/INT3

P16/D14/INT4

P17/D15/INT5

P20/A0(/D0/_)

P21/A1(/D1/D0)

P22/A2(/D2/D1)

P23/A3(/D3/D2)

P24/A4(/D4/D3)

P25/A5(/D5/D4)

P26/A6(/D6/D5)

P27/A7(/D7/D6)

Vss

P30/A8(/_/D7)

Vcc

P31/A9

P32/A10

P33/A11

P34/A12

P35/A13

P36/A14

P37/A15

P40/A16

P41/A17

P42/A18

P43/A19

TU

NE

R D

O81

P07/D

7P

44/CS

050

XT

L0S

YS

CLK

82P

06/D6

P45/C

S1

49D

IR E

RR

SY

S D

T83

P05/D

5P

46/CS

2 48

DIR

CD

C R

ST

TU

NE

R C

E84

P04/D

4P

47/CS

347

OV

F731*C

S85

P03/D

3P

50/WR

L/WR

46

DIR

CS

NC

86P

02/D2

P51/W

RH

/BH

E45

DIR

DO

NC

87P

01/D1

P52/R

D44

PD

PN

C88

P00/D

0P

53/BC

LK43

DS

P M

UT

EB

_DC

T89

P107/A

N7/K

I3 P

54/HLD

A42

DS

P M

OD

ES

_DC

T90

P106/A

N6/K

I2 P

55/HO

LD41

DS

P H

RE

QC

_DC

T91

P105/A

N5/K

I1 P

56/ALE

40B

US

YN

C92

P104/A

N4/K

I0P

57/RD

Y/C

LKO

UT

39D

SP

SS

NC

93P

103/AN

3P

60/CT

S0/R

TS

038

DS

P R

ST

SIM

UK

E1

94P

102/AN

2 P

61/CLK

037

DS

P C

LKX

PR

OT

EC

T95

P101/A

N1

P62/R

xD0

36D

SP

DO

AV

SS

96A

VS

SP

63/TX

D0

35D

SP

DI

NC

97P

100/AN

0P

64/CT

S1/R

TS

1/CLK

S1

34232C

CT

SV

RE

F98

VR

EF

P65/C

LK1

33C

LKA

VC

C99

AV

ccP

66/RxD

1 32

232C T

XD

NC

100P

97/AD

TR

G/S

IN4

P67/T

XD

1 31

232C R

XD

P96/ANEX1/SOUT4

P95/ANEX0/CLK4

P94/DA1/TB4IN

P93/DA0/TB3IN

P92/TB2IN/SOUT3

P91/TB1IN/SIN3

P90/TB0IN/CLK3

BYTE

CNVss

P87/XCIN

P86/XCOUT

RESET

XOUT

VSS

XIN

VCC

P85/NMI

P84/INT2

P83/INT1 P85/NMI

P82/INT0

P81/TA4IN/U

P80/TA4OUT/U

P77/TA3IN

P76/TA3OUT

P75/TA2IN/W

P74/TA2OUT/W

P73/CTS2/RTS2/TA1IN/V

P72/CLK2/TA1OUT/VP71/RxD2/SCL/TA0IN/TB5INP70/TXD2/SDA/TA0OUT

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

NC

DISP RST

DISP EN

DISP RDY

DISP DI

DISP DO

DISP CLK

GND

CNVSS

NC

NC

XRESET

XOUT

GND

XIN

5V

NMI

ACIN(WAKEUP)

1394 INT

1W WUP

DECO MUTE

NC

NC

NC

NC

1394 RST

1394 CS

1394 CK

1394 DO

1394 DI

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

No. Port Pin Name I/O Pin Function

1 P96/ANEX1/SOUT4 NC O "L" fixed

2 P95/ANEX0/CLK4 DISP RST O Reset signal to display u-com (H: reset, L: release)

3 P94/DA1/TB4IN DISP EN O Enable signal for communication to display u-com

4 P93/DA0/TB3IN DISP RDY I Ready signal for communication from display u-com

5 P92/TB2IN/SOUT3 DISP DI O Data output signal with display u-com

6 P91/TB1IN/SIN3 DISP DO I Data input signal with display u-com

7 P90/TB0IN/CLK3 DISP CLK O Clock signal for communication with display u-com

8 BYTE GND -

9 CNVss CNVSS - Pull-down by 5k ohm

10 P87/XCIN NC O "L" fixed

11 P86/XCOUT NC O "L" fixed

12 RESET XRESET -

13 XOUT XOUT -

14 VSS GND -

15 XIN XIN -

16 VCC 5V -

17 P85/NMI NMI I Not used (pull-up by 100k ohm)

18 P84/INT2 ACIN(WAKEUP) I AC pulse input (wakeup)

19 P83/INT1 P85/NMI 1394 INT O Not used (Standby for 1394)

20 P82/INT0 1W WUP I Wake up signal from display u-com in standby

21 P81/TA4IN/U DECO MUTE I 1st DSP detect port

22 P80/TA4OUT/U NC O "L" fixed

23 P77/TA3IN NC O "L" fixed

24 P76/TA3OUT NC O "L" fixed

25 P75/TA2IN/W NC O "L" fixed

26 P74/TA2OUT/W 1394 RST O Not used (Standby for 1394) "L" fixed

27 P73/CTS2/RTS2/TA1IN/V 1394 CS O Not used (Standby for 1394) "L" fixed

28 P72/CLK2/TA1OUT/V 1394 CK O Not used (Standby for 1394) "L" fixed

29 P71/RxD2/SCL/TA0IN/TB5IN 1394 DO O Not used (Standby for 1394) "L" fixed

30 P70/TXD2/SDA/TA0OUT 1394 DI O Not used (Standby for 1394) "L" fixed

31 P67/TXD1 232C RXD O For rewriting 232C (Data output)

32 P66/RxD1 232C TXD I For rewriting 232C (Data input)

33 P65/CLK1 CLK O It is necessary when writing for JIG

34 P64/CTS1/RTS1/CLKS1 232C CTS O For rewriting 232C (Admit communication)

35 P63/TXD0 DSP DI O Data output signal for communication with DSP and DIR

36 P62/RxD0 DSP DO I Data input signal for communication with DSP

37 P61/CLK0 DSP CLK O Clock signal for communication with DSP and DIR

38 P60/CTS0/RTS0 DSP RST O Reset signal for DSP (L: reset, H: release)

39 P57/RDY/CLKOUT DSP SS O Slave select signal to DSP

40 P56/ALE BUSY I Not used (Use it in MCACC)

41 P55/HOLD DSP HREQ I DSP error detect signal (pull-down by 100k ohm)

42 P54/HLDA DSP MODE O Mode select of DSP (ROM/RAM) (H: ROM mode, L: RAM mode)

43 P53/BCLK DSP MUTE O DSP ASSY mute

44 P52/RD PDP O H: Data transfer to PDP, L: others

45 P51/WRH/BHE DIR DO I Data input signal for communication with DIR/DAC

46 P50/WRL/WR DIR CS O Chip select signal for communication with DIR/DAC

47 P47/CS3 OVF I DIR codec over flag

48 P46/CS2 DIR CDC RST O Reset signal for DIR codec

49 P45/CS1 DIR ERR I Lock/unlock signal

50 P44/CS0 XTL0 O DIR X'tal change

• Pin Function

915 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S92


51 P43/A19 IATT O Input ATT control signal

52 P42/A18 GAIN_SEL O Gain select (5.1ch and Stereo of analog input : H )

53 P41/A17 AMUTE O System mute (L: mute ON)

54 P40/A16 MCACC O Not used (HP/MIC switching control)

55 P37/A15 RY_HP O Headphone relay ON/OFF

56 P36/A14 RY_SP O All ch speaker relays ON/OFF

57 P35/A13 HP DET I HP detect

58 P34/A12 RY-AC O AC relay ON/OFF

59 P33/A11 MVRATT O ATT control of master volume (less than -15dB : L)

60 P32/A10 LOW_POW O H: Normal mode, L: Stop mode

61 P31/A9 EVR CLK O Clock signal for E-volume

62 Vcc 5V -

63 P30/A8(/_/D7) EVR DT O Data signal for E-volume

64 Vss GND -

65 P27/A7(/D7/D6) SDVD I Status signal input of DVD SCART

66 P26/A6(/D6/D5) SSTB I Status signal input of STB SCART

67 P25/A5(/D5/D4) SDVR I Status signal input of DVD SCART

68 P24/A4(/D4/D3) furniture O Furniture control signal

69 P23/A3(/D3/D2) SWDET I SWSP detect

70 P22/A2(/D2/D1) VIDEO1 O Video signal control 1

71 P21/A1(/D1/D0) VIDEO2 O Video signal control 2

72 P20/A0(/D0/_) VIDEO3 O Video signal control 3

73 P17/D15/INT5 VIDEO4 O Video signal control 4

74 P16/D14/INT4 SP_CONT O Output signal for SP auto-detection

75 P15/D13/INT3 RDS CLK I Clock input signal for RDS module

76 P14/D12 RDS RDS_DT I Data input signal for RDS module

77 P13/D11 RDS RDS FM+ O Power ON/OFF of RDS decoder

78 P12/D10 TUNED I L : TUNED

79 P11/D9 STEREO I L :STEREO

80 P10/D8 TMUTE O Tuner mute

81 P07/D7 TUNER DO I Data input signal for tuner contorol

82 P06/D6 SYS CLK O Clock signal for NJU7312AM switch and tuner contorol

83 P05/D5 SYS DT O Data output signal for NJU7312AM switch and tuner contorol

84 P04/D4 TUNER CE O Chip select signal for tuner contorol

85 P03/D3 731*CS O Chip select signal for NJU7312AM switch

86 P02/D2 NC O "L" fixed



89 P107/AN7/KI3 B_DCT I Not used (surround back ch SP detect)

90 P106/AN6/KI2 S_DCT I Surround ch SP detect

91 P105/AN5/KI1 C_DCT I Center ch SP detect

92 P104/AN4/KI0 NC O "L" fixed

93 P103/AN3 NC O "L" fixed

94 P102/AN2 SIMUKE1 I lnput 1 to switch region

95 P101/AN1 XPROTECT I Ptotection circuit detect for amp. module

96 AVSS AVSS - Connect to VSS

97 P100/AN0 NC O "L" fixed

98 VREF VREF - Connect to VCC

99 AVcc AVCC - Connect to VCC

100 P97/ADTRG/SIN4 NC O "L" fixed

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

• Display MicrocomputerPE5368B (FRONT ASSY : IC4201)

Pin Arrangement (Top View)

VF

+5V

S10

S11

S12

S13

S14

S15

S16

S17

S18

S19

S20

S21

LED8

LED7

LED6

LED5

LED4

LED3

IO

IO

IO

IO

IO

IO

IO

IO

IO

IO

IO

IO

IO

IO

IO

O

O

O

O

60

59

58

57

56

55

54

53

52

51

50

49

48

47

46

45

44

43

42

41

VLOAD

VDD2

FIP20

FIP21

FIP22

FIP23

FIP24/P30

FIP25/P31

FIP26/P32

FIP27/P33

FIP28/P34

FIP29/P35

FIP30/P36

FIP31/P37

FIP32/P40

FIP33/P41

FIP34/P42

FIP35/P43

FIP36/P44

FIP37/P45

P-CH

P-CH

P-CH

P-CH

P-CH

P-CH

P-CH

P-CH

P-CH

P-CH

P-CH

P-CH

P-CH

P-CH

P-CH

P-CH

P-CH

P-CH

P-CH

P-CH

S9

O61

FIP

19P

-CH

P-C

HP

46/FIP

3840

OLE

D2

S8

O62

FIP

18P

-CH

P-C

HP

47/FIP

3939

OLE

D1

S7

O63

FIP

17P

-CH

C-M

OS

P50/F

IP40

38IO

NC

S6

O64

FIP

16P

-CH

C-M

OS

P51/F

IP41

37IO

NC

S5

O65

FIP

15P

-CH

C-M

OS

P52/F

IP42

36IO

1W W

UP

S4

O66

FIP

14P

-CH

C-M

OS

P53/F

IP43

35IO

NC

S3

O67

FIP

13P

-CH

C-M

OS

P54/F

IP44

34IO

NC

S2

O68

FIP

12P

-CH

C-M

OS

P55/F

IP45

33IO

AV

DIR

EC

TS

1O

69F

IP11

P-C

HC

-MO

SP

56/FIP

4632

IOT

ES

TG

11O

70F

IP10

P-C

HC

-MO

SP

57/FIP

4731

ION

C(P

U)(M

IC IN

)G

10O

71F

IP9

P-C

HC

-MO

SP

60/FIP

4830

IOE

N A

G9

O72

FIP

8P

-CH

C-M

OS

P61/F

IP49

29IO

EN

BG

8O

73F

IP7

P-C

HC

-MO

SP

62/FIP

5028

IOF

EN

BG

7O

74F

IP6

P-C

HC

-MO

SP

63/FIP

5127

IOF

EN

AG

6O

75F

IP5

P-C

HC

-MO

SP

64/FIP

5226

ION

C(P

U)(H

P IN

)G

5O

76F

IP4

P-C

HV

DD

025

+5V

G4

O77

FIP

3P

-CH

AV

DD

24+

5VG

3O

78F

IP2

P-C

HV

SS

023

GN

DG

2O

79F

IP1

P-C

HC

OM

PA

NI0

22I

KE

Y IN

1G

1O

80F

IP0

P-C

HC

OM

PA

NI1

21I

NC

CMOS

CMOS

CMOS

STI

C-MOS

C-MOS

C-MOS

C-MOS

C-MOS

C-MOS

C-MOS

C-MOS

C-MOS

C-MOS

C-MOS

COPM

COMP

VDD1

VSS1

X1

X2

IC(VPP)

RESET

P27/SCK1

P26/SI1

P25/SO1

P24/BUSY

P23

P22

P21/SO3

P20/SCK3

P00/INTP0

P01/INTP1

P02/T1

AVSS

ANI3

ANI2

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

I

I

I

IO

IO

IO

IO

IO

IO

IO

IO

IO

IO

IO

I

I

+5V

GND

Resonator

Resonator

GND

DISP RESET

DISP CK

DISP DTI

DISP DTO

DISP RDY

NC

NC

NC

NC

DISP EN

NC(PD)(MULTIROOM SRIN)

SR IN

GND

NC

NC

935 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S94

• Pin Function


1 VDD1 +5V - Positive power supply

2 VSS1 GND - Ground potential

3 X1 Resonator - Crystal connection for system clock oscillation

4 X2 Resonator - Crystal connection for system clock oscillation

5 IC(VPP) GND -

6 RESET DISP RESET - Receive reset signal from main u-com

7 P27/SCK1 DISP CK I Clock signal from main u-com

8 P26/SI1 DISP DTI I Datain from main u-com

9 P25/SO1 DISP DTO O Data out to main u-com

10 P24/BUSY DISP RDY O Ready signal from main u-com

11 P23 NC O/L

12 P22 NC O/L

13 P21/SO3 NC O/L

14 P20/SCK3 NC O/L

15 P00/INTP0 DISP EN I Enable signal from main u-com

16 P01/INTP1 NC I

17 P02/T1 SR IN I Remote control signal input from main room

18 AVSS GND - Ground potential for A/D converter

19 ANI3 NC I

20 ANI2 NC I

21 ANI1 NC I

22 ANI0 KEY IN1 I

23 VSS0 GND - Ground potential for ports

24 AVDD '+5V - Analog power voltage input to A/D converter

25 VDD0 '+5V - Positive power supply to ports

26 P64/FIP52 NC I

27 P63/FIP51 FEN A I MULTI JOG(Right)

28 P62/FIP50 FEN B I MULTI JOG(Left)

29 P61/FIP49 EN B I VOLUME JOG1(-)

30 P60/FIP48 EN A I VOLUME JOG1(+)

31 P57/FIP47 NC I

32 P56/FIP46 TEST I Test mode input for checker

33 P55/FIP45 AV DIRECT I

34 P54/FIP44 NC O

35 P53/FIP43 NC O

36 P52/FIP42 1W WUP O Output wakeup signal to main u-com

37 P51/FIP41 NC O/L

38 P50/FIP40 NC O/L

39 P47/FIP39 LED1 O LED output

40 P46/FIP38 LED2 O LED output

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S


41 FIP37/P45 LED3 O LED output




45 FIP33/P41 LED7 O LED Output


47 FIP31/P37 S21 O Display








55 FIP23 S13 O Display




59 VDD2 '+5V - Positive power supply to FIP controller.

60 VLOAD VF - Pull down resistor connection of FIP controller










70 FIP10 G11 O Display











955 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S96

7.2.2 DISPLAY

• FL DisplayAAV7093 (FRONT ASSY : V4301)

Pin Assignment

Grid Assignment

Pin Connection

Segment Designation

1 50

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

7.3 CLEANING

Anode Connection

Before shipping out the product, be sure to clean the following positions by using the prescribed cleaning tools:

Position to be cleaned Cleaning tools

Fans Cleaning paper : GED-008

975 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S98

8. PANEL FACILITIES

Front panel

1 PHONES jackWhen headphones are connected there is no sound output from the speakers.

2 STANDBY/ON buttonPress to switch the receiver on or into standby.

3 FRONT INPUT jacksUse to connect an audio/video component.

4 Digital surround format indicators

2 DIGITAL indicatorLights when the current source is Dolby Digital.

DTS indicatorLights when the current source is DTS.

5 AUTO indicatorLights when Auto audio format decoding is selected.

6 Listening mode indicators

STEREO indicatorLights when the source is stereo and/or the listening mode has been set to STEREO.

2 PRO LOGIC II indicatorLights when one of the Dolby Pro Logic II surround modes is active with a 2 channel (stereo) source.

ADVANCED indicatorLights when one of the Advanced Surround modes is active.

PHONES indicatorLights when phones surround mode is active.

SOUND MODE indicatorLights when one of the Sound Modes is active.

7 Remote control sensor

8 INPUT SELECTOR knobTurn to cycle through the various inputs. The current input is shown in the front panel display.

9 MASTER VOLUME knobUse to adjust the volume.

SOUND MODE INPUT SELECTORMASTER

VOLUMEPHONESADVANCEDSTEREOAUTO

FRONT INPUT

STANDBY/ON

DIGITAL INPHONESVIDEO AUDIO RL

DTS 2PRO LOGICII2DIGITAL

DOWN UP

1 2 3 4 65 8 97

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

Display

1 DIG (digital) / ANA (analog)Indicates whether the current input source is analog or digital.

2 Hi-FSLights when the current input signal is 88.2/96 kHz digital.

3 Sleep timer indicatorLights when the sleep timer has been set.

4 DIALOG indicatorLights when Dialog Enhancement is on.

5 Input/output channel indicatorsThe letters L, C, R, LFE, Ls and Rs indicate the input channels coming into the receiver. The segments and SW (subwoofer) indicate the active speaker output channels. S lights in Dolby Surround or Surround Monoaural.

6 VIR.SB indictor Lights when the Virtual Surround Back effect is on.

7 OVERLights when the input signal is too high, risking distortion. Use the input attenuator to reduce the level.

8 Tuner indicators

STEREOLights when listening to a stereo FM broadcast in auto/stereo mode.

TUNEDLights when tuned to a broadcast.

MONOLights when the tuner MPX mode is set to mono.

9 ATTLights when the input attenuator is on.

10 Character display

11 Volume level indicatorIndicates the volume level in dB.

1 2 43 5 6 7

8

109 11

995 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S100

Rear panel

Important

• Before making or changing the connections, switch off the power and disconnect the power cable from the power outlet.

1 SPEAKERS terminalsFRONT L/R, CENTER and SURROUND L/R speaker terminals.

2 Antenna connections

AM LOOPConnect the supplied AM loop antenna or an outdoor antenna if reception is bad.

FM UNBAL 75ΩConnect the supplied FM wire or an outdoor antenna if reception is bad.

3 CONTROL IN jack / CONTROL OUT jackUse to link Pioneer components together to enable all components in the chain to use just one remote control sensor.

4 AC INConnect the supplied AC power cable.

5 SUBWOOFER OUT jackConnect a powered (active) subwoofer.

6 Digital connections The three digital audio jacks are all inputs. Connect to the digital outputs of digital source components such as DVD, CD and DVR players, satellite receivers, etc.

TV/SAT(DVD) OPT1 jackOptical digital audio jack for the TV/SAT input (although it is possible to reassign it to the DVD input).

DVR/VCR OPT2 jackOptical digital audio jack for the DVR/VCR input.

• When connecting optical cables, be careful when inserting the plug not to damage the shutter protecting the optical socket.

• When storing optical cable, coil loosely. The cable may be damaged if bent around sharp corners.

COAX

CONTROL

ACIN

INL

R

DVD

MONITOROUT

FM UNBAL 75ΩAM LOOPANTENNA

IN

OUT

SUBWOOFER

OUT

TV/SAT(DVD)OPT1

DVR/VCR

OPT2

DVD(TV/SAT)

IN

VIDEO

AUDIO

L

R

TV/SAT

IN

DVR/VCR

OUTL

R

DIGITAL IN

CENTERLR LRFRONT SURROUND

SPEAKERS

CENTERLR LRFRONT SURROUND

SPEAKERS

1 2

5 6

7

3 4

VSX-C301

AC IN

INL

R

DVD

MONITOROUT

IN

VIDEO

AUDIO

L

R

TV/SAT

IN

DVR/VCR

OUTL

R

CONTROL

IN

OUT

FM UNBAL 75ΩAM LOOPANTENNA

COAX

TV/SAT(DVD)OPT1

DVR/VCR

OPT2

DVD(TV/SAT)

DIGITAL IN

SUBWOOFER

OUT

DVD(TV/SAT) COAX jackCoaxial digital audio jack for the DVD input (although it is possible to reassign it to the TV/SAT input).

7 Audio/Video input/output jacks

DVD IN jacksJack connections for the DVD input.

TV/SAT IN jacksJack connections for the TV/SAT input.

DVR/VCR IN/OUT jacksAV connector for the DVR/VCR input. When the receiver is set to any other input, that signal is output from the DVR/VCR IN/OUT jacks.

MONITOR OUT video jackJack connection for your TV.

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

Remote controlFunction names printed in green on the remote control are receiver-related functions. Function names printed in blue are for the built-in tuner (see Using the tuner). Other functions relate to other equipment that you can control using this remote. See also Controlling other equipment.

1 RECEIVERPress to put the remote in ‘receiver’ mode (i.e., the remote controls the receiver functions).

2 LEDIndicates a remote control operation.

3 RECEIVERPress to switch the receiver on or into standby.

4 SOURCEPress to switch the current source component on or into standby.

5 SLEEPUse to set the sleep timer.

6 Input/remote control mode select buttons

When the Remote Direct function is set to on, these buttons (except FM/AM) change the remote mode and the receiver input simultaneously. When set to off, they only switch the remote mode (see also Remote Direct function).

7 INPUTPress to cycle through the various inputs. The current input is shown in the front panel display.

DVDPress to select DVD as the current input.

TV/SATPress to select TV/SAT (set-top box) as the current input.

DVR/VCRPress to select DVR/VCR as the current input.

FRONTPress to select FRONT (the front panel audio/video inputs) as the current input.

FM/AMPress to select FM/AM (the built-in tuner) as the current input.

8 Channel setup buttons

CH SELECTUse to select the speaker channel to adjust.

LEVEL +/–Use to adjust the output level of the current speaker channel.

TEST TONEPress to start/stop the test tone.

9 Sound buttons

AUTOPress to select the AUTO (default) sound for the current source (stereo, Dolby Digital, DTS, etc.) and switch off all other sound processing.

STEREOPress to hear the current source in stereo.

SURROUNDUse to select a SURROUND mode for the current source.

ADVANCED SURROUNDUse to select an ADVANCED SURROUND mode for the current source.

RECEIVER

AUDIO

SOURCERECEIVER

SLEEP

RECEIVER

INPUT

DVD TV/SAT

FRONT FM/AM

DVR/VCR

SURROUNDADVANCEDSURROUND

SOUNDMODE

SIGNALSELECTDIALOG

AUTO STEREO

LEVEL TEST TONECH SELECT

MUTE

MASTERVOLUME

DTV MENUTOP MENU

T.EDITMENU

GUIDESUBTITLE

ROOMSETUP

TUNE

TUNE

STST

SYSTEMSETUP

BAND DTV ON/OFFRETURN DTV INFO

DISPLAY CLASS MPX D.ACCESS

ENTER

DISC

10

ENTER

VIRTUAL SB DIMMER

TV CONTROL

CHANNEL CHANNEL VOLUMEINPUT

1 2

4

6

11

14

17

21

3

5

8

9

1012

13

15

16

18

19

20

7

1015 6 7 8

1 2 3 4

C

D

F

A

B

E

VSX-C301-S102

SOUND MODEUse to select a SOUND MODE for the current source.

DIALOGPress to switch on/off DIALOG (dialog enhancement).

10 MUTEPress to mute all output. Press again (or adjust the volume using the MASTER VOLUME control) to restore the sound.

11 SIGNAL SELECTUse to select the analog or digital signal for the DVD, TV/SAT, DVR/VCR and FRONT inputs.

12 MASTER VOLUMEUse to adjust the volume.

13 ROOM SETUPUse to select a preset room setup.

14 SYSTEM SETUPPress to access the SYSTEM SETUP menu to make detailed receiver settings.

15 Cursor keys and ENTERUse to navigate menus and select options/execute commands.

16 VIRTUAL SBPress to switch on/off the virtual surround back mode.

17 DIMMERFirst press RECEIVER, then press DIMMER repeatedly to change the brightness/switch off the front panel display. The display will light brightly for about two seconds when you operate the receiver with the display off or dimmed. (Note that the master volume indicator always remains lit, even when the rest of the display is off.)

18 Playback controls Playback controls for external components, such as DVD and CD players.

Functions printed in blue control the built-in tuner; other functions control other external equipment.

19 Number buttonsUse for numerical input of track numbers, radio frequencies, and so on.

20 CHANNEL +/–Use to change channels on a satellite receiver, cable box, VCR or DVR.

21 TV CONTROL buttonsUse to control your TV (after setting up the remote control to work with your TV).

The default preset codes are shown in the table.

Input/control mode select button

Preset code

Component (manufacturer)

DVD 020 DVD (Pioneer)

TV/SAT 200 STB (Pioneer)

DVR/VCR 466 DVD recorder (Pioneer)

FRONT 100 LD (Pioneer)

FM/AM n/a (built-in tuner)

TV CONTROL 600 TV (Pioneer)

Clearing preset codes This restores all presets to the factory defaults. See Using the remote control with other components for the default remote settings.

• Press RECEIVER and number button ‘0’ (zero) at the same time. Keep them pressed for about 3 seconds.The LED on the remote control blinks three times indicating all the preset codes have been cleared.

1 2 3 4

5 6 7 8

C

D

F

A

B

E

VSX-C301-S

Resetting the systemUse this feature to reset the system to its factory default settings.

1 Press RECEIVER.

2 In standby, press ROOM SETUP and SYSTEM SETUP at the same time.The display prompts you to confirm.

3 Within 5 seconds, press LEVEL –.The display shows OK.

4 Within 5 seconds, press LEVEL +.The receiver should now be reset.

Note

• If the receiver is disconnected from the power outlet for more than a month it will reset to the default settings.

• The above reset doesn’t affect the presets that you have programmed into the remote control (see Using the remote control with other components).

SOURCERECEIVER

SLEEP

RECEIVER

AV DIRECT

INPUT

DVD STB

FRONT FM/AM

DVR/TV

SURROUNDADVANCEDSURROUND

SOUNDMODE

SIGNALSELECTDIALOG

AUTO STEREO

LEVELTEST TONE CH SELECT

MUTE

MASTERVOLUME

DTV MENUTOP MENU

T.EDITMENU

ROOMSETUP

TUNE

STST

SYSTEMSETUP

ENTER

Default receiver settingsThe table below shows the factory default settings. When you reset the system, the receiver reverts to these defaults (see Resetting the system).

Note

• The default settings for the remote control to control other components can be found in Using the remote control with other components.

Setting type Default setting

Input DVD

Master volume – – – dB (no sound)

Listening mode AUTO (all inputs)

Listening mode (w/headphones)

STEREO (all inputs)

Sound mode OFF

Dialog OFF

Virtual Surround Back OFF

Input signal select AUTO

Speakers (Front, Center, Surround) Setting

Automatically sensed

Subwoofer setting 200 Hz

LFE Attenuator 0 dB

Front speaker distance 10 ft.

Center speaker distance

10 ft.

Surround speaker distance

10 ft.

Dynamic Range Control

OFF

Dual Mono ch1

Input Attenuator OFF (all inputs)

DVD(TV/SAT) COAX jack assignment

DVD

TV/SAT(DVD) OPT1 jack assignment

TV/SAT

Setting the volume level of each channel

Front: 0 dBCenter: 0 dBSurround: 0 dBSubwoofer: 0 dB

Room Setup M / MID

1035 6 7 8

AUDIO/VIDEO MULTI-CHANNEL RECEIVER

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