JVC KD-AR770J, KD-G720J, KD-G721E, KD-G721EX, KD-G721EY Schematic

SCHEMATIC DIAGRAMS

CD RECEIVER

KD-AR770J,KD-G720J,KD-G721E,KD-G721EX

KD-G721EY,KD-G721EU,KD-G722E,KD-G722EX

KD-G722EY,KD-G722EU,KD-G724UI,KD-G725U

KD-G725UN,KD-G725UH,KD-G725UT,KD-G727EE

CD-ROM No.SML200602

Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)

Contents

Block diagram Standard schematic diagrams Printed circuit boards

2-1

2-3 2-15 to 17

No.MA247SCH

2006/2

Standard schematic diagrams

D

7

D252

Q

-

C

S

/

Y

C

Y Y

Main section (except KD-G721,KD-G722 and KD-G727)

!

TU1

QAU0451-001

L1

4.7u

R74 100

0.1

C717

C716

R806

IC801

SN74AHC126NS-X

1SS355W-X

D1

D720

UDZW6.2B-X

10k

1SS355W-X

D2

C77

47/6.3

C71

560p

IC71

LC72725NM-X

R726

SI

R808

330

R810 100

C801

0.047

BUSCK

CDON

D718

SLR-56VC3F

560

SO

R809 22k

SCK

R801 47k

1k

R3

C5

0.1 47k

RDSDA

C72

R73

C73

C78

330P

10/16

0.01

C76

C75

33p

0.01

0.047

LCDCE

SI/SO

SO

I/O

R807 100k

INT SCK

0.1

R4

2.2k

R75

0 R71

C74

33p

C706

C2

C4

47/16

2K

2.2K R72

X71

QAX0263-001Z

AMP9V

VOLMUTE VOLDA VOLCK

SACLK

SUBMUTE

R774 R775 R760 R759

BUCK /CCE

/RST

BUS0

BUS1 BUS2 BUS3

AMPKILL URST

10k

SSTOP

RDSCL

R10

47k

R9

R11

4.7k

330

R12

TUSDA

12

47k 47k

STEERING

R766R767

330

TUSCL

R21

R719 R702

R734

2.2k

R709 R710

47k

R716 R715 R713 R714

R784

R785

R786 R787

R708 1K R723

4.7K

VDD

R704

R705

2.2k22k

R13

4.7k

R14

220/10

10k

C1

9V

CD.R

A-GND CD.L

LM1 /RST LM0 SW2

SW1 PSW

CD_8V VDD_5V CDON SRAMSTB SW5V BUS0 BUS1 BUS2 BUS3 BUCK /CCE REQ

/DACMS DACMC DACMD RFOK

WJK0224-001A-E

CN703

EJECT

ACC5V

10V DIMOUT

REMOCON

ENC1 ENC2

LCDCE LCDDA LCDCL

KEY2

KEY1

KEY0

GND

CN701

QNZ0605-001

CN702 QGA2006F1-02

D701

J801

QNZ0095-001

D712 UDZW6.2B-X

D703

D702

UDZW6.2B-X

100P

C718

560 R763

D705

D704

UDZW6.2B-X

CH.R CH.L

D706

C802

0.01

D707

D708

D709

47k

R802

J1

QAM0105-003

R805

100k

R804

22k

R803

100

0.1

C3

0.1

3.3k

R16

12

R22

C7

0.22

IC701

UPD784218AGC337

1.2k

R720

0

270 270

47k

R706

47k

R707

100 100 100 10k

100 100

100

VPP

47k

1k

C6

Q-OUT

RT1N141C-X

!

R15

D3

CRS03-W

R24

Q1

QGA2006C1-04 CN141

UDZW5.6B-X UDZW5.6B-X D141

D142

0.1 C143

100K

R142

R141 C141

0.0033

1/50

12k

C91

R91

12k R81

C81 1/50

0

R17

2k

R18

0

AFS

R758

47k

1k

10k

1k

R721

R722

R727

0

R711

SW2

SRAMSTB

DOMMUTE

CD.L

CD.R

CH-USB.L CH-USB.R

LINE.L

LINE.G

LINE.R

DIMIN

R717

PSW

0.33

C724

3.3K

VSS

LCDCL

2.2k

R735

10k

LM0

0.047

C705

R82

LCDDA

2.2k

R736

LM1

3.3K

QSW0451-001

X1

4.7u

L702

TU.L

TU.R

R92

QTE1H55-225Z QTE1H55-225Z

S701

PCN

R755

R754

10M

ANT

X701 X702

8P

C704

QAX0777-001Z QAX0401-001

C703

1/50

C164

C165

C166

820

TUSCL

1/50

TUSDA

27P

C702

C178C179

LINE.L

11

C161 C171

C162 C172

0.22

C176

C177

47/16

REQ

AFS

10k

270

100

R712

R725

R724

10k

R718

SW1

INT

47k

R701

47k

R752

22P

27P

C701

100

R143

TDA7419-X

STEERING

47k

R753

C142

0.0033

LINE.G

IC161

S-SEL

MUTE_CTL

R770

RDSCL

RDSDA

LINE.R

RFOK

10k

R751

REMOCON

0.047

C708

D143

R144

100/10

C168

SSTOP

R728

10k

100

D144

C167

DACMD

R765

RESET

0.0047

10k

R756

2.2K R173

R762

47k

R729

47k

C251 10/16

UDZW5.6B-X

2.2K R174

330

2.2K

R176

R175

R177

VOLCK

VOLDA

VOLMUTE

DACMC

/DACMS

R746

R750

R741 R742

R743 R744 R745

TH721

NAD0028-103X

100 R764

1SS355W-X

C709

D713

R260

V-EVOL

R178

R179

SACLK

SAOUT

IC771 BR24L16F-W-X

270

R771

R772

R737

R738 R739 R740

10k

100 100

10k 10k 10k

QSW1049-001Z

D714

0.01

33k

10K

R732

R261

820

C252

47/6.3

1SS355W-X

R730

10k

10K

R703

10K

S703

UDZW5.6B

C710

47/6.3

0.047

D253

C771

0

4.7k

1SS355W-X

SUBMUTE

TD

R

SI

EN

KE KE KE

4.7k R

2-3

7

D

R771

SAOUT

R261

33k

R260

47/6.3

1SS355W-X

EVOL

10K

R178

10K

R179

IC771 BR24L16F-W-X

270

R772

R730

10k

10K

R732

37

38 39 40

10k

100 100

10k 10k 10k

J321 QNN0748-001

C321

C341

0.022

100

R343

2.2k R321

2.2k

D321

1SS355W-X

IC361

C722

270P

C720

0.01

DOMMUTE

DIMIN

100

R323

C373

220/10

C782

Q781

D781

1SS355W-X

0.047

Q321

KTD1304-X

Q331

KTD1304-X

2.2k

R331

D331

1SS355W-X

33k R381

0.082

RT1P141C-X

R352 R342 R332

R322

C370

0.0015 22k R382

4.7/25 C381

4.7/25 C382

R385

33k

C372

0.0015

0

R377

R892

RT1N141C-X

820 820 820 820

R386

22k

Q371

47k

D892

Q891

0.1 C371

2SA1365/F/-X

1SS355W-X D782

C909

C908

220/10

1k

1SS355W-X

C365

47K

220/10

R891

C891

0.1

R376

R781

D891

4.7/25

47K

C366

C386

4.7/25

R371

0

RT1N141C-X

Q372

1K

R375

2.2K

R782

C783

0.01

C906

C907

220/10

1SS355W-X

RT1N141C-X

C385

4.7/25

R372

R373

AMP9V

10K

R783

1SS355W-X

D902

C905

0.01 47/16

R893

3.3K

Q892

R374

000

Q782

KTD1304-X

C919

10/16

47k R363

47k R367 47k R387 47k R383

CH-USB.L

C913

10/16

C892

0.1

1/50

RT1N141C-X

Q182

CH.L

Q976

RT1N141C-X

2SA1530A/QR/-X

C904

10/16

Q181 RT1N141C-X

S-SEL

Q977

0.1

C911

CRS03-W

C851

D852

CRS03-W

C910

R851

10/16

D851

C915

10K

CD4066BPW-X

IC181

AMPKILL

R977

12k

R976

27k

0.1 C914

100/16

47K

R881

C852

0.22

C784

IC901 AN80T71

0.01

C903

Q881

RT1N141C-X

RT1P141C-X

100/16

C912

47/16

C881

IC932

NJU7241F33-X

2.2k

R181

R182

2.2k

C182

1/50

QFV91HJ-474Z

270

R308

Q784

D784

UDZW11B-X

!

4.7k 9.1k

R903 R902

0.01

C916

R882

4.7K

22/16

CH.R

CH-USB.R

C301

C302

C312

C311

0.01 C934

220/6.3

1/50 C183

1/50 C184C181

1k R301 1k

R302

C303 100p

100p

1k

C313

R312

R311

1k

1K R305

Q301 RT1N141C-X

CRS03-W

C902

2.2/50

0.1 C933

C935

R306

1K

C901

QEZ0723-338

C971

D971

1k

R901

C304 100p

100p C314

4.7/25

!

0.1

IC931 BA05CC0WT-V5

0

R938

27k

C316

R307

D901

1N5401-F64

2.2k

R971

D972

CRS03-W

D931

4.7/25

1A3G-T1

L901

QQR1378-002

2.2k

R972

C931

R931 47k

Q934

FR-

0.0047

FR+

RR-

0.0047

RR+

1.2k

RL+

0.0047

RL-

FL+

0.0047

FL-

QNZ0611-001

C938

0.1

R932

RT1N141C-X

C325

C324

R303

R304

R314 R313

C323

C322

D991 D992 D993 D994 D995 D996 D997 D998

CN901

47/10

Q933

1K

USBTX

USBRX

C391

URST

2SA1365/F/-X

2.2/50

0.022

FR+

C310

RR+

C990

0.01

RL+

220/6.3

C930

MUTE_CTL

C307 47/16

C318

FL+

CRS03-W CRS03-W CRS03-W CRS03-W CRS03-W CRS03-W CRS03-W CRS03-W

47/10

C937

R936

R933 R934

180 R935

C320

0.022

C317 47/16

C319

0.022

C315

2.2/50

C308

1/50

FR-

220/6.3

0.01 C936

UDZW5.1B-X

C939

0.01

0

RL-

RR-

C932

0 0

FL-

QGB1004J2-16X

0.01 C929

D932

!

C961 100P C962 100P C963 100P C964 100P C965 100P C966 100P C967 100P C968 100P

CN931

TB2904HQ

IC301

USB_5V

L-CH

R-CH

QMFZ047-150-T

!

100

R353

R262

820

100

Q251 KTD1304-X

4.7K

R263

C252

D252

1SS355W-X

D253

RT1P141C-X

Q252

OUTRR OUTFR OUTFL

OUTRL

SUBMUTE

C771

0.047

R731

47k S702

QSW0451-001

TD

RD

0

I/O

USBRX USBTX

4.7k SCK

4.7k

SO

4.7k

SI/SO

R776

ENC2

R777

ENC1

FSU Q-OUT SAOUT

KEY2 KEY1 KEY0

4.7k R747

4.7k R748

4.7k R749

R333

KTD1304-X

Q351

Q341

KTD1304-X

D251

220/10

C367

22k

C361

4.7/25 C369

47/6.3

4.7/25 C362

R366

22k

ANT

C707

0.047

47k

33k R361R362

R365 33k

C368 220/10

2.2k R341

D341

1SS355W-X

L701

4.7u

C711

220/10

C713

0.01

R351

D351

NJM2792V-X

C781

100/6.3

C712

0.01

TELMUTE

R703

10K

QSW1049-001Z

S703

714

UDZW5.6B-X

IC702

C710

47/6.3

S-80833CNNB-G-W

R757

2.2k

Parts are safety assurance parts. When replacing those parts make sure to use the specified one.

2-4

C

Q501

0

3

CD servo control section (common)

GND FEEDVF2 FEED+ VCC GND VT2 SW1 VT1 SW2 VF1 PSW VR SPINDLELD SPINDLE+ FOCUSVREF FOCUS+ MD TRACKING+ TRACKING-

FEED-

VF2

FEED+

VT2

VT1

VF1

SPINDLE-

SPINDLE+

FOCUS-

VREF

FOCUS+

TRACKING+

TRACKING-

CN501

QGB2027M4-22S

LM1

8.2K

R520

R513

3.3k

0.01

C514

0.047

C519

FEED+

FEED-

/RST

0.01

C512

C518

C517

SPINDLE+

SPINDLE-

0.047

120p

0.01

C511

0.047

C516

FOCUS+

FOCUS-

5.1k

R505

R504

8.2k

0.047

C515

TRACKING-

TRACKING+

0.01

C513

TRO

R512

R511

10k

R514

47/16

C503

0.01

C504

C505

0.1

7.5k

10k

Q502

0

R503

R502

100/10

C502

FOO

DMO

220/6.3

2SA1705/ST/-T

R501

33k

C501

D501

1A

FMO

20k

R517

R516

8.2k

6.8k

R515

SW1

SW2

PSW

VR

R524 150

LD

MD

3K

R518

LA6242H-X

IC501

12K

R519

1.5k

R522

LM0

1.5k

R523

1.5k

R521

SRAMSTB /DRST DBUS0 DBUS1 DBUS2 DBUS3 DBUCK /DCCE

DREQ

R569

R546

C551

C552

C538

47/16

C544

C537

C536

2200p

0.1

R532

C546

220

0.1

IO0

IO1

0.1

R531

1M

100k

C545

R545

TC94A70FG

47u

L531

L532

C547

47/16

C548

0.1

C549

22/16

0.1

47k

R568 R567 R566 R565 R564 R563 R562 R561

100k

C550

0.1

22k 100 100 100 100 100 100 100

C553

0.01

PIO1 PIO2

PO4

PO5

0.1

IC541

DMO

100

R544

FMO

100

R543

TRO

10k

R542

FOO

VREF

FEI

0.1

C543

100

0.033

R541

C542

2-5

PIO3

SBSY

R547

SBOK

IPF

4.7k

SFSY

AOUT1

BCK

LRCK

ZDET

100k

R560

DOUT

DATA

0.033

BCKI

C555C554

0.10.1

LRCKI

C573

AIN

LRCK

BCK