JVC KD-SC800 Administrator Guide

SCHEMATIC DIAGRAMS

CD RECEIVER

No.49791SCH

2003/03

KD-SC800

Area suffix

J ------------ Northern America

KD-SC800

Contents

Block diagram

Standard schematic diagrams

Printed circuit boards

2-1

2-2

2-5~7

CD-ROM No.SML200303

KD-SC800

2-4

!Burrs formed during molding may be left over on some parts of the chassis. Therefore,

pay attention to such burrs in the case of preforming repair of this system.

Safety precaution

!Please use enough caution not to see the beam directly or touch it in case of an

adjustment or operation check.

KD-SC800

2-1

AB CD E F G

1

2

3

4

5

POSITION SET

SWITCH

LOAD&FEED

MOTOR

SPINDLE

MOTOR

SW1, SW2

PICK UP

PSW

SW1, SW2

CN501

IC561

CD

DRIVER

IC521

DSP

&

DAC

IC501

RF AMP

IC571

L.P.F.

VF1,VF2,

VT1,VT2,

MD,LD

DMO,FMO

TRO,FOO CDON

CD-RW

BUS0~BUS3

BUCK,CCE

RST

SEL

TEB

RFGC

TE,FE

RFDC

RFRP

RF

LO

RO

CD.L

CD.R

CN601

IC602

REMOCON

S601~S612

S614~S618

KEY MATRIX

EN601

ENCODER

KEY0

KEY1

KEY2

ENC1

ENC2

REMOCON

IC601

LCD

DRIVER

LCD1

CN701

TU1

FM/AM

TUNER

IC701

MICOM

IC301

E.VOL

FM/AM

FMOSC

IFC

MONO

S.METER

SD/ST

SEEK/STOP

FMEO

AMEO

IC351

POWER

AMP

IC961

REGULATOR

SPK

BATTERY

EACH BLOCK

L-CH

R-CH

OUT LF

OUT RF

OUT LR

OUT RR

REAR L

REAR R

FRONT R

FRONT L

CD.L

CD.R

J931

LINE OUT

LF+, LF-

RF+, RF-

LR+, LR-

RR+, RR-

COM1

COM2

COM3

S1 ~ S50

LCDCE

LCDDA

LCDCL

VOLDA

VOLCL

J1

ANT

SW1,SW2,PSW

LM,MSW

CD-RW

FEED+

FEED-

SPINDLE+

SPINDLE-

VF1,VF2,

VT1,VT2,

LD,MD,

TRACKING+

TRACKING-

FOCUS+

FOCUS-

SPINDLE+

SPINDLE-

FEED+

FEED-

TRACKING+

TRACKING-

FOCUS+

FOCUS-

Block diagram

CN901

KD-SC800

2-2

KD-SC800

HAB C DE FG

1

2

3

4

5

Standard schematic diagrams

Main amplifier section

To

CD servo

control

section

To

LCD & Key control

section CN601

Parts are safety assurance parts.

When replacing those parts make

sure to use the specified one.

Rear signal

Tuner signal

Front signal

CD signal

C41

IC771

Q6

Q7

CN701

Q41

L1

C42

R42

R41

Q976

R7

Q964

D961

R355

R43

Q42

Q31

C588

C405

C891

C305

R769

C706

R711

D976

R201

R101

C705

C709

C710

R747

C708

IC701

C714

L702

C404

C32

C304

C707

C103

VSS

R776

R32

Q2

L701

R33

IC351

R31

C301

C401

C347

C452

C598

D991

S702

R703

C31

R781

R402

R302

R701

C960

C446

VDD

R733

R738

IC301

R737

R778

R777

R775

R774

Q8

Q871

Q977

R728

R732

C711

D951

R751

RESET

R760

R726

C703

X701

C352

R45

X1

R35

VPP

LM

R731

R729

R727

R722

C952

Q351

R952

R720

R718

C951

R752

R725

R708

R750

R749

R11

C34

R753

R763

R710

MSW

Q32

Q891

C203

D471

C993

C994

C995

C996

C997

C998

D372

C992

C991

D371

D960

Q971

C2

Q963

C17

R304

C351

C451

D714

R958

R404

R712

R713

R761

C346

C702

C447

R351

R352

R451

R452

D472

D962

R961

R356

R472

R372

R471

R371

IC961

R373

R374

R474

R473

C914

R759

R965

R914

S701

C16

D992

D993

D994

D995

D996

TU1

D997

D998

D715

C772

D713

S703

R702

C716

J771

C971

R13

C33

F1

R757

C977

R735

R892

C403

C357

L961

D965

C406

J1

C43

Q5

R8

C963

R4

R5

C966

C4

C306

C303

C402

R6

BZ871

R721

R719

R717

C699

C354

R871

D2

R765

R891

C302

D891

C353

C453

C454

R766

R734

R714

R715

R347

C967

R102

C102

C202

R202

C969

C964

C965

C713

C968

C962

R746

R707

C359

R736

R706

R767

R730

R768

C309

C873

R34

C307

C310

Q951

D31

Q371

Q372

C355

C361

R782

C362

R1

C15

C12

R2

R403 R303

C308

R779

R773

R772

R764

C771

R755

R754

R756

R762

R709

R744

C7

C44

R704

R953

R954

R956

R957

C105

D952

D302

R758

D301

R346

C954

R969

R447

R446

R745

C364

C6

D702

D703

C1

D704

D705

D706

D707

D708

D709

B352

C365

C872

D964

D963

C961

C953

R966

R967

C5

Q471

B351

D977

R3

R9

R705

R893

C871

R12

B961

B962

C698

C715

D953

D711

D710

R724

R723

R354

R353

R454

R972

R453

D712

R971

R14

R301

R401

R968

C976

D351

C356

C358

D1

R963 R962

D4

D701

D3

R376

R375

R476

R475

R357

Q472

D892

J931

R791

C11

R358

R955

R951

C970

C975

C371

C372

C205

C984 C983 C982 C981

C712

CN901

R15

D7

0.056

HD74HC126FP-X

2SB624/4/-X

UN2211-X

QNZ0605-001

2SC3661-X

4.7u

0.012

3.9K

1K

UN2111-X

47K

UN2211-X

1SS355-X

100K

1K

2SC3661-X

2SD601A/R/-X

4.7/25

0.033

0.047

0.033

100

22p

47K

1SS355-X

2.7K

22p

0.047

0.1

4.7K

220/6.3

UPD178078GF-594

0.1

4.7u

0.22

0.001

0.22

220/6.3

1/50

100K

1K

UN2211-X

4.7u

10K

LA47505

1.5K

4.7/25

2.2/50

0.33

4.7/25

RB160M-30-X

QSW0451-001

4.7K

2.2/50

330

22k

4.7K

3300/16

2.2/50

47k

47K

TEA6320T-X

47K

100

22K

10K

100

UN2211-X

UN2111-X

47K

10k

0.047

RB160M-30-X

10K

0

0.1

QAX0406-001Z

0.33

1K

47K

0

4.7K

0.047

UN2211-X

12K

4.7K

1/50

10K

47k

0

1.2K

0

0.22/50

47k

10K

47K

2SD601A/R/-X

MA152WA-X

1/50

1SS355-X

100p

1SS355-X

100p

1SS355-X

1N5401-F64

UN2211-X

0.1/50

2SB709A/R/-X

120p

4.7K

0.33

LNJ308G81/1-3/X

220

4.7K

10K

2.2/50

0.1

2.2/50

27K

27k

27K

1SS355-X

RB160M-30-X

1K

10K

820

HA13164A

2.2K

10/16

47K

10K

QSW0451-001

7p

RB160M-30-X

QAU0281-001

RB160M-30-X

LNJ308G81/1-3/X

0.01

LNJ308G81/1-3/X

QSQ1A11-V06Z

4.7K

330p

QNZ0095-001

22/16

15

220/10

QMFZ047-150-T

1K

100/16

10K

1K

0.18

0.022

QQR0703-001

RB160M-30-X

0.0056

QNB0100-002

150p

2SB709A/R/-X

4.7K

10/16

47K

3.3K

0.47

220/10

0.0056

0.18

0.0082

47k

QAN0023-001Z

10K

0.1

390p

2.2K

1SS355-X

47K

0.0082

1SS355-X

390p

47K

100k

10K

47K

220/10

4.3K

0.0047

4.3K

220/10

10/16

22/16

0.01

220/10

47/16

10K

2.2K

22/16

10k

2.2K

47K

10K

47K

47/16

4.7/25

33

100/10

2SD601A/R/-X

UDZS10B-X

2SD1781K/QR/-X

100/16

1/50

100K

4.7/25

68

12p

0.01

22K

2.2k 2.2k

0.01

47K

22K

47K

0.047

1.2K

1K

4.7K

10K

2.2K

0

22/16

0.1/50

270

180k

22K

1k

220K

0.033

1SS355-X

10K

1SS355-X

47K

0.22/50

2.2K

47K

0

1/50

10/16

0.047

0

1/50

0.1/50

RB160M-30-X

2.2/50

22/16

12K

27K

0.01

2SD1781K/QR/-X

0

UDZS11B-X

8.2K

47K

270

47K

0.1/50

15

51K

0

0.47

0.1

UDZS5.1B-X

150K

47K

47K47K

47K

4.7K

10K

220k

2.2K

100/6.3

1SS355-X

0.022

47/16

1SS355-X

4.7K 9.1K

1SS355-X

100

100100

100

10K

2SD1781K/QR/-X

1SS355-X

QNN0489-001

180

0.01

47K

47

47K

0.1

0.01

0.047

270p

0.033

0.1 0.1 0.1 0.1

0.01

QNZ0611-001

10K

1SS355-X

CH.L

SEEK/STP

SD/ST

SW5V

SI

DIM

SO

CH.R

GND

AMEO

I/O

SCK

FMEO

MONO

BUZZER

MUTE

FM/AM

ANT

ILL

10V

TELMUTE

CTRL

ENC1

ANT

PSW

REM FMOSC

LCDDA

CD.R

LCDCL

ENC2

SM

PS2

CD8V

ACC5V

10V

KEY2

FMEO

AMEO

SW5V

LCDCE

GND

RST

CCE

BUCK

9V

BUS3

BUS2

BUS1

BUS0

KEY1

KEY0

CD-RW

CDON

MSW

LM

LEDB

SW2

SW1

IFC

CD.L

LEDR

10V

VDD

FM/AM

CD.L

CH.L

CD.R

CH.R

INT

ILL

FMOSC

IFC

SEEK/STP

MONO

TELMUTE

SW2

PSW

LCDCL

REM

LCDDA

LEDB

CD-RW

SW1

LCDCE

MSW

CDON

VOLCL

SM

PS2

RST

VOLDA

ENC1

ENC2

BUS3

KEY0

KEY1

KEY2

BUS2

BUS1

BUS0

CCE

BUCK

LM

CTRL

MUTE

BUZZER

LEDR

VOLCL

KD-SC800

2-3

AB CD E F G

1

2

3

4

5

CD signal

CD servo control section

To Main amplifier section

R539

Q522

TP1

R584

C561

D564

X521

Q561

C547

IC521

Q521

R508

R507

C503

C514

R509

Q501

C502

C505

R512 R511

R513

R514

C512

C508

C513

C501

R524

R523

R521

R522

R525

C524

C523

C525

C526

C527

C528

R526

C533

C534

R566

C530

R529

R530

C537

C538

C529

C548

R538

D561

R516

C549

R515

C563

C555

C507

R595

R591

R517

TP2

R506

R503

R505

R504

R519

C509

R594

R563

R562

R581

B562

C556

C592

R564

R533

R585

C582

R572 R569

C599

R561

R583

R592

R582

R593 C593

C583

C562

R573

R576

R577

R571

C567

C566

C565

C564

L523

L521

L522

R518

C586

C589

C545

C585

C551

R586R587

R597 R596

C597

R565

C504

R510

C510

C511

C531

R527

R528

C535

R531

R532

C536

C522

C540

R537

R536

R535

R534

C550

C552

C521

IC501

C544

C539

C541

C546

CN501

IC561

C594C584

C595

C591

R540

R567

C581

C554

C553

R570

R568

C596

IC571

R579

R578

L524

C587

1.5M

UN2211-X

150

47/6.3

1A3G-T1

QAX0741-001Z

2SB1322/RS/-T

0.1 TC94A14FA

UN2111-X

22

100/10

5p

82K

2SB1241/QR/-T

0.01

100/10

2K 10K

1K

15K

82p

0.01

15K

470k

5.6K

47k

10K

0.015

47p

0.01

0.0027

0.01

0.033

0

470p

8.2K

0.033

0

0.047

100/10

10k

1A3G-T1

820

0.01

100

100/10

0.0068

0

18K

0

330K

82K

330K

82K

150

100/10

150

4.7K

8.2K

18K

0

0.01

4.7/25

15K

1M

0

4.7/25

1.5K 5.1K

220p

33K

12K

33K

12K

120p

0.01

1.5K

5.1K

1.5K

0.047

0.0470.047

0.047

47u

4.7u

33K

330p

0.0018

100/10

47/6.3

100/10

22K22K

22K 22K

0.001

20K

0.01

56K

0.1

0.047

100

0.047

100

0.047

100/10

0.01

4.7K

1/50

0.01

TA2157FN-X

0.01

100/10

0.01

100p

QGB2027M4-22S

LA6579H-X

820p

47/6.3

820p

0

6.8K

820p

18p

0

3K

100/10

NJM4565M-WE

22

4.7u

0.047

SW5V

FOCUS-

GND

FMO

FOO

CD8V

DMO

BUS1

LM

BUS0

CD-RW

CDON

MSW

LM

SW2

MSW

GND

VR

SW5V

SW1

PSW

CD.L

CD.R

9V

GND

CD.R

BUCK

GND

TRO

RST

CCE

BUCK

BUS3

BUS2

CD.L

FEED-

CDON

CCE

RF

VF2

VREF

FEED-

SEL

TEB

TE

RFRP

VF2

FEED+

VCC

GND

VT2

SW1

VT1

SW2

RFDC

FE

VF1

PSW

VR

SPINDLE-

LD

SPINDLE+

FOCUS-

VREF

FOCUS+

MD

TRACKING+

TRACKING-

VCC

FEED-

FEED+

SPINDLE+

SW1

SPINDLE-

SW2

PSW

VCC

TRACKING-

TRACKING+

FOCUS+

LD

GND

MD

9V

VR

VF1

VREF

VT1

GND

VT2

VF2

VT2

RFGC

SW1

VT1

SW2

VF1

PSW

SPINDLE-

LD

SPINDLE+

FOCUS-

VREF

FOCUS+

RST

BUS3

CD-RW

MD

BUS2

BUS1

BUS0

TRACKING+

TRACKING-

VCC

VF1

VF2

VT2

VT1

TRACKING+

FOCUS-

FOCUS+

SPINDLE+

SPINDLE-

FEED+

TRACKING-

FEED-

LD

MD

SEL

TEB

RFDC

RFGC

FE

RF

RFRP

FOO

TRO

FMO

DMO

TE

KD-SC800

2-4

KD-SC800

HAB C DE FG

1

2

3

4

5

LCD & Key control section

To

Main amplifier

section CN701

R601

R658

C603

D642

D643

D616

D613

EN601

D615

S601

IC602

D614

D609

D611

D610

D606

D607

D603

D605

D617

S606

IC601

D604

D619

S605

D621

D620

D622

R605

D624

D623

R652

R671

R672

R673

S607

S602S603

S604

S608

S609S610S611S612

S614

S615S616S617

S618

R614 R613

R615

R606R607R610 R609 R608

R602R603R604

R651

R612

LCD1

D601 D602

CN601

R653

R686

R636

R638

R661

R662

C612

C611

R689

Q691

C691

R685

R645

R639

R637

R681

D641

R640

R642

R644

C682

R641

R643

R647

C681

R688

R634

R635

R632

R633

D625

D646

R690

R657

C601

C602

R687

R646

D696

Q694

C693

R631

D694

R694

C692

Q692

R697

R693

R696

R698

R695

D692

D691

C694

D695

Q693

D693

820

180K

10/6.3

1SS355-X

QSW0793-001

RPM6938-SV4

PT6523LQ

2.7K

2.2K

10K

1.2K 820

3.9K

8208202.7K 1.8K 1.2K

8201.2K1.8K

2.2K

820

QLD0253-001

NNZ0087-001

10k

680

820

510

10K

470

4.7/6.3

0.012

82

2SD601A/R/-X

10/6.3

680

560

510

820

100

UDZS5.1B-X

510

820

560

0.022

510

820

680

0.022

680

560

SML-310LT/MN/-X

UDZS6.2B-X

10

51K

0.022

680p

680

UDZS6.2B-X

2SD601A/R/-X

0.01

820

UDZS6.2B-X

680

0.01

2SD601A/R/-X

82

680

10

680

UDZS6.2B-X

10/6.3

SECU2E24C-P-X

2SD601A/R/-X

SECU2E24C-P-X

KEY0

KEY1

KEY2

CE

CLK

DATA

REM

KEY2

10V

KEY1

LEDB

LEDR

ENC1

CE LCDCE

KEY0

VDD

INH

ACC5V

DATA

LCDCL

ENC2

S17

S18

OSC

LCDDA

GND

CLK

S19

S20

S21

S22

S23

S24

S25

S26

S27

S28

S29

S30

S31

S32

S49

S50

COM3

COM2

COM1

S3

S4

S5

S6

S7

S8

S9

S10

S2

S11

S1

S12

S13

S14

S15

S16

LEDR

LEDB

S33

S34

S35

S36

S37

S38

S39

S40

S41

S42

S43

S44

S45

S46

S47

S48

COM2

COM3

COM1

S1

S2

S3

S4

S5

S6

S7

S8

S9

S10

S11

S12

S13

S14

S15

S16

S17

S18

S19

S20

S21

S22

S23

S24

S25

S26

S27

S28

S29

S30

S31

S32

S33

S34

S35

S36

S37

S38

S39

S40

S41

S42

S43

S44

S45

S46

S47

S48

S49

S50

KD-SC800

2-5

AB C

1

2

3

4

5

Printed circuit boards

Main board

Forward side

B961

B962

BZ871

C2

C4

C6

C7

C31

C33

C34

C44

C103

C203

C301

C304

C305

C307

C309

C310

C346

C347

C351

C352

C355

C358

C359

C361

C362

C364

C365

C401

C404

C405

C446

C447

C451

C452

C503

C505

C509

C522

C529

C530

C531

C533

C534

C535

C536

C537

C538 C539

C545

C548

C550

C551

C552

C555

C561

C563

C581

C582

C583

C584

C585

C588

C591

C592

C593

C594

C595

C596

C598

C707

C708

C871

C872

C873

C914

C951

C953

C954

C960

C961

C962

C963

C964

C965

C967

C968

C969

C970

C971

C976

C977

C991

C992

C993

C994

C995

C996

C997

C998

CN501

CN701

CN901

D371

D372

D471

D472

D561

D564

D713

D714

D715

D960

D962

D963

D964 D965

D991

D992

D993

D994

D995

D996

D997

D998

IC301

IC351

IC501

IC521

IC561

IC571

IC701

IC771

IC961

J1

J771

J931

L1

L521

L522

L523

L524

L701

L702

L961

Q351

Q371

Q471

Q472

Q501

Q561

Q963

Q964

R355R356

R357

R358

R373

R374

R473 R474

R527

R528

R529

R530 R531

R532

R536

R537

R538

R581

R584

R591

R594

R737

R738

R706

R707

R708

R709

R712

R713

R718

R720

R722

R735 R757

R777

R791

R961

R965

R966

R967

R968

R969

S701

S702

S703

TU1

X521

X701

B353

B354

B355

R578

R736

R730

B501

C568

R579

B2

B3D7

B503

C587

C586

KD-SC800

2-6

AB CD

1

2

3

4

5

Main board

Reverse side

BZ871

C1

C2

R6

C4

C5

C6

C7

R3

R893

C11

C12

C15

C16 C17

C31

C32

C33

C34

C41

C42

C43

C44

C102

C103

C105

C202

C203

C205

C301

C302

C303

C306

C307

C308

C309

C310

C346

C347

C351

C352

C353

C354

C355

C356

C357

C358

C359

C361

C362 C364

C365

C371

C372

C401

C402

C403

C406

C446

C447

C451

C452

C453

C454

C501

C502

C503

C504

C505

C507

C508

C509

C510

C511

C512

C513

C514

C521

C522

C523

C524

C525

C526 C527

C528

C529

C539

C540

C541

C544

C545

C546

C547

C548

C549

C550

C551

C553 C554

C555

C561

C562

C563

C564

C565

C566

C567

C582

C585

C588

C592

C595

C596

C597

C598

C699

C702

C703

C705

C706

C707

C708

C709

C710

C711

C712

C713

C714

C771

C772

C871

C872

C873

C891

C914

C951

C952

C953

C954

C960

C961

C962

C963

C964

C965

C966

C967

C968

C969

C971

C975

C976 C977

C981

C982

C983C984

CN501

CN701

CN901

D1

D2

D3

D4

D31

D301

D302

D351

D561

D564

D701

D702

D703

D704

D705

D706

D707

D708

D709

D710

D711

D712

D891

D892

TE

D951

D952

D960

D961

D976

D977

IC351

IC961

J1

J771

J931

L1

L521

L522

L523

L524

L701

L702

L961

LM

MSW

Q2

Q5

Q6

Q7

Q8

Q31

Q32

Q41

Q42

Q372

Q501

Q521

Q522

Q561

Q871

Q891

Q951

Q971

Q976

Q977

R1

R2

R4

R5

R7

R8

R9

R11

R12

R13

R14

R15

R31

R32

R33

R34

R35

R41

R42

R43

R45

R101

R102

R201

R202

R301

R302

R303

R304

R346

R347

R351

R352

R353

R354

R371

R372

R375

R376

R401

R402

R403

R404

R446

R447

R451

R452

R453

R454

R471

R472

R475

R476

R503

R504

R505

R506

R507

R508

R509

R510

R511

R512 R513

R514

R515

R516

R517

R518

R519

R521

R522

R523

R524

R525

R526

R533

R534

R535

R539

R561

R562

R563

R564

R565

R566

R567

R568

R569

R570

R571

R572

R573

R576

R577

R582

R583

R585

R586

R587

R592

R593

R595

R596

R597

R701

R702

R703

R704

R710

R711

R714

R715

C373

R717

R719

R721

R723

R724

R725

R726

R727

R728 R729

R731

R732

R733

R734

R744

R745

R746

R747 R749

R750

R751

R752

R753

R754

R755

R756

R758

R759

R760

R761

R762

R763

R764

R765

R766

R767

R768

R769

R772

R773

R774

R775

R776

R778

R779

R781

R782

R871

R891

R892

R914

R951

R952

R953

R954

R955

R956

R957

R961

R962

R963

R971

R972

RESET

S701

S702

S703

TP1

TP2

TU1

VDD VPP

VSS

X1

X521

X701

B353

B354

B352

B351

R540

B1

R705

B562

C698

C715

B704

C556

FE

B355

B701

B702

B703

R958

D953

B356

B502

C972

C599

C716

C589

B705

KD-SC800

2-7

AB C

1

2

3

4

5

Reverse side

Front board

Forward side

D695

D696 D693

D691

D601 D602

D603

D604

D605

D606

D607

D609

D610 D611 D613 D614 D615

D616 D617

D619

D620

D621

D622

D623

D624

D625

IC602

EN601

LCD1

R601

R602

R603

R604

R605

R606

R607

R608 R609

R610

R612

R613

R615

S601

S602

S603

S604

S605

S606

S607

S608

S609 S610 S611 S612

S614

S615

S616

S617

S618

C601

C602

C603

C611

C612

C681

C682

C692

C691

C694

C693

CN601

D641

D642

D643

D646

D692 D694

R689

IC602

EN601

Q691

Q692

Q693

Q694

R614

R631

R632

R633

R634

R635

R636

R637

R638

R639

R640

R641

R642

R643

R644

R645

R646

R647

R651

R652

R653

R657

R658

R661

R662

R671

R672

R673 R681

R693

R694

R690

R696

R695

R698

R697

R685

R686

R687

R688

KD-SC800

VICTOR COMPANY OF JAPAN, LIMITED

AV & MULTIMEDIA COMPANY 10-1,1Chome,Ohwatari-machi,Maebashi-city,371-8543,Japan

(No.49791SCH)

Printed in Japan

2003/03

JVC KD-SC800 Administrator Guide

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