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	2-1
Standard schematic diagrams	2-3
Printed circuit boards	2-15 to 17

COPYRIGHT 2006 Victor Company of Japan, Limited.

No.MA247SCH

2006/2

Standard schematic diagrams

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

QGA2006C1-04 CN141

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	D701	D702
QNZ0605-001
CN701
	UDZW6.2B-X UDZW6.2B-X UDZW6.2B-X UDZW6.2B-X
	J801
	QNZ0095-001

D712

UDZW6.2B-X

C718 100P

CN702

QGA2006F1-02

560

R763

D703	D704	D705	D706	D707	D708
UDZW6.2B-X UDZW6.2B-X	UDZW6.2B-X UDZW6.2B-X UDZW6.2B-X

CH.R

CH.L

C802

0.01

!

TU1

QAU0451-001

L1

J1

QAM0105-003 4.7u

1SS355W-X	1SS355W-X
D1	D2
R74				C72
100		0.01	C78	330P
	C71 560p
	IC71 LC72725NM-X
	C77 47/6.3		0.01 C76	C75

1k

47k R10

4.7k R11

4.7k R13

R3

0.1

C5

47k

R4

0.1

C4

C2 47/16

10k

R9 330

R12 330

R14

0.1

SSTOP

TUSDA

TUSCL

RDSDA

RDSCL

C73

10/16

R73

2.2k

220/10

C1 0.1

C3

R75

2K

3.3k R16

12 R21

R22 12

0.22 C7

2.2K

R72

R71

001Z

0

33p

C74

33p

X71

QAX0263-

1k	R15	R17 0
		2k R18

C6

Q-OUT

W-CRS03 D3 0

R24

Q1

RT1N141C-X

1/50

C91

C81

1/50

AFS

					100K
					R141
					C141
				0.0033		R143
12k					LINE.L
R91
12k
R81
3.3K R82 3.3K R92	TU.R	TU.L
		C178 1
		C179 1
		1/50	C161
		1/50	C171
CD.L	QTE1H55-225Z		C162
CD.R	QTE1H55-225Z		C172
CH-USB.L
CH-USB.R
LINE.L		C164
		1/50
LINE.G		C165
		1/50
LINE.R		C166
		1/50
			0.22	C176	C177	47/16

		100K
		R142
100		C142
	LINE.G	0.0033
		LINE.R
		IC161

TDA7419-X

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

D141 D142

0.1

C143

D143	D144
R144 100

100/10
C168	C167	0.0047

UDZW5.6B-X UDZW5.6B-X	C251		R260 33k
	10/16			R261
				820
			47/6.3 C252		-X
			1SS355W-X D253		1SS355W
2.2K			V-EVOL
R173
	2.2K
	R174		10K
			R178
			10K
			R179
2.2K	2.2K	330
R175	R176	R177
VOLDA	VOLCK	VOLMUTE SACLK SAOUT			SUBMUTE

D709	C716 0.1 C717 0.1	D720 UDZW6.2B-X
	R806	10k
	R805
	100k
	R804
	22k
	R803
	100
	47k
	R802
	IC801

SN74AHC126NS-X

CDON

0.047

C706

	D718 SLR-56VC3F
R726	560	LCDCE
	SI SO	SI/SO
		SO
		I/O

R807

100k

R808

330 INT

SCK

	R809
	22k
R810
100	SCK
C801
0.047	R801
BUSCK	47k

R758

VSS

S701

REQ

RFOK

DACMD

DACMC

/DACMS

47k

QSW0451-001

2.2kLCDCL

PCN

MUTECTL

1k

1k

10k

DIMIN

2.2k

TUSCL

TUSDA

270

10k

S-SEL

SSTOP

47k

LCDDA

AFS

R762

IC771

47k

BR24L16F-W-X

R729

IC701

R727

R721

R722

R735

R736

R724

R725

R712

100

R770

10k

R728

100

UPD784218AGC337

270

270

C771

!

R771

R772

0.047

1.2k

R720

R719

0

R730

R702

AMP9V

10k

10k TD

R

R734

2.2k

10K

VOLMUTE

R732

VOLDA

R709

270

R737

0

VOLCK

R710

270

SACLK

SUBMUTE

R706

47k

R738

4.7k

R774

47k

R739

4.7k

S

R775

47k

47k

R740

4.7k

R760

47k

R707

SI/

R759

47k

BUCK

R716

100

/CCE

R715

100

R746

10k

EN

/RST

R713

100

R750

10k

EN

R714

10k

R741

100

BUS0

R784

100

R742

100

BUS1

R785

100

BUS2

R786

100

R743

10k

KE

BUS3

R787

100

R744

10k

AMPKILL

R745

10k

KE

URST

R708

KE

1K

4.7k

R7

R723

4.7K

4.7k

R7

VDD

4.7k

R7

VPP

0 R711

SRAMSTB

DOMMUTESW2

PSW

LM0

LM1

ANT

R754

820

R718SW1

INT

STEERING

RDSCL

RDSDA

R751REMOCON

10k

R765

10k

D714

UDZW5.6B

R704

47k

R717

10k

R755

10k

TH721

NAD0028-103X

R705

47k

10M

10K

R703

QSW1049-001Z

100

S703

STEERING

R764

X1

R767 R766

22k 2.2k

C724

C705

L7024.7u

C704

8P

C703

27P C702

R701

47k

22P

R75247k R75347k

C708 0.047

X

C709 0.01

C710 47/6.3

27P

C701

D7131SS355W-

0.33

0.047

X701

X702

RESET

R756

47k

QAX0777-001Z

QAX0401-001

2-3

J321

QNN0748-001

R353 100

R333

100

R343

100

R323 100

C341

0.047

C321

0.022

R261

R262

R352 820

R260

33k

R332

820

820

Q251

100

R342

820

KTD1304-X

X

KTD1304-X

R322 820

47/6.3 C252

D252

R263

KTD1304-

Q351

2.2k

2.2k R321

R331 2.2k

2.2k R341

4.7K

Q321

1SS355W-X D253

1SS355WXQ252

RT1P141C-X

1SS355WXD251

Q341 X-1SS355W D341

D351R351

X-1SS355W

X-1SS355W D321

D331 X-1SS355W

KTD1304-X

Q331

KTD1304-X

-EVOL

R178	220/10 C367		33k	22k
10K					C370
					0.0015
	22k	33k	R381 R382
10K	R362	R361
R179				4.7/25
	C361			C381
	4.7/25				4.7/25
	C369
	47/6.3				C382
	4.7/25
	C362
	R366	R365
	22k	33k	C372 0.0015		R385 R386
		C368			33k		22k
		220/10
	OUTRR		IC361
			NJM2792V-X
	OUTFR
	OUTFL
	OUTRL						-2SA1365/F/X
	SUBMUTE		C373	R377 0		Q371
			220/10

		L701
IC771		4.7u
BR24L16F-W-X
			C722
		C711	270P
R772 270		220/10	Q781 C782 RT1P141C-X
	R730			0.082
	C771

	0.047	C713
		0.01
		R731
		47k
		S702

QSW0451-001
10k TD RD	C781

100/6.3

C365

4.7/25 C366

4.7/25 C386

4.7/25 C385

4.7/25

0.1

C371

		R371	R372	R373	R374
		0	0 0		0
	RT1N141C-X
	1K	Q372
47K	R376
	R375				AMP9V

47K 10K

R781 R783

1SS355W-X D782

2.2K
R782	Q782 KTD1304-X
C783
0.01

1SS355W-X

D902

47k

IC931

R363

BA05CC0WT-V5

47k

R367

47k

R387

47k

X

R383

-

0.01

220/6.3 C935 0.1 C933

R938

D931 T1-1A3G 4.7/25 C931

C938 0.1

47/10 C391

NJU7241F33 IC932

0

C934

R181

1/50

Q933

2.2k

C183

R931

R932 1K

X

47k

1/50

-

R182

Q934 RT1N141C

C181

2.2k

1/50

C184

RT1N141C-X

IC181

C182

USB.R-CH

CH.R

Q182

1/50

CD4066BPW-X

Q181

FR-

C325

RT1N141C-X

0.0047

QFV91HJ-474Z

FR+

C301

1k

RR-

C324

R301

0.0047

1k

RR+

R302

USB.L-CH CH.L

SEL-S

C302

1.2k

R303

QFV91HJ-474Z

C303

1.2k

100p

C304

1.2k

R304

100p

QFV91HJ-474Z

100p

100p

R314

C312

1k

1.2k

R313

AMPKILL

C313

C314

R312

RL+

C323

R311

C311

1k

0.0047

QFV91HJ-474Z

RL-

270

1K

R306

FL+

C322

R308

1K

0.0047

R305

4.7/25 C316 27k

R307

FL-

-X

Q301

Q976

RT1N141C

R977

RT1N141C-X

Q784

RT1P141C-X

2SA1530A/QR/-X

12k

C784 100/16

D784 UDZW11B-X

QEZ0723-338 C901

1N5401-F64 D901

L901 QQR1378-002

D991

D995

Q977

R976

D992

27k

D993

!

D994

IC901

C971 0.1

2.2k

2.2k

D996

AN80T71

D997

!

R971

R972

D998

CRS03-W

D971

C902

D972 CRS03-W

2.2/50

R902 9.1k

R901

1k

10K

USBRX

1SS355W-X D781

C909 220/10

C908 220/10 C907 220/10

C906

0.01 C905 47/16 C919 10/16 C913 10/16

C904

10/16

C911

0.1 C910 10/16 C915

0.1 C914 100/16

C903

0.01

47/16

0.01 C9164.7k

R732

C912

R903

CN901

737

0

QNZ0611-001

I/O

USBTX

C712

38

4.7k

ANT

39

4.7k

SCK

R881 47K

SAOUT

C720

0.01

R892

RT1N141C-X

C891

X-RT1N141C

Q892 3.3K R893

W-CRS03 D852

10K

0.22 C852

C881 22/16

SI/SO

C707 0.047

0.01

R891

CRS03-W

Q881

40

4.7k

D851

SO

47k

D892 -1SS355WX

D891 X-1SS355W

10/16

C851

1k

RT1N141C-X

R851

10k

ENC2

R776

47k

TELMUTE

10k

ENC1

R777 47k

C892

R882

0.1

4.7K

100

FSU

100

Q-OUT

Q891

10k

0.1

10k

KEY2

10k

KEY1

DOMMUTE

KEY0

4.7k

R747

DIMIN

4.7k

R748

4.7k

R749

2SA1365/F/-X

FR+

	CN931
220/6.3	QGB1004J2-16X
C932	USB_5V

	C937	0.01	0.01
		C936	C929
	220/6.3
		R933	0
USBTX		R934	0

USBRX

URST

UDZW5.1B-X

180

R935 D932

C939

0.01L-CH

R-CH

		C930 47/10	R936		0
		MUTE_CTL
					TB2904HQ
		C307			IC301
		47/16
				C320
				0.022
	C990
	0.01
				C317
				47/16
2.2/50		C318
0.022
	C310
				C319
				0.022
				C315
				2.2/50
				C308
				1/50	!
RR+	RL+ FL+	CRS03-W	FR-	RRRL-	FL-
					C961
		CRS03-W			100P
					C962
		CRS03-W			100P
					C963
		CRS03-W			100P
					C964
		CRS03-W			100P
					C965
		CRS03-W			100P
					C966
		CRS03-W			100P
					C967
		CRS03-W			100P
					C968
					100P

QMFZ047-150-T

!

1 X

R703

10K

QSW1049-001Z S703

D714 UDZW5.6B-X

C710 47/6.3

IC702 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

CD servo control section (common)

FMO

LM1

/RST

FEED-

FEED-

R517

20k

R513

3.3k

0.01

0.01

R504

0.1 C505

C504 0.01

C503

220/6.3

GND

R505

5.1k

VF2

VF2

R516

C512

C511

8.2k

Q502

2SA1705/ST/-T

VT2

VT2

FEED+

FEED+

8.2k

R512 7.5k

VCC

R515 6.8k

GND

R511 10k

SW1

SW1

VT1

VT1

SW2

SW2

0

0

VF1

VF1

R502

R503

PSW

PSW

VR

VR

SPINDLE-

SPINDLE-

R524

LD

LD

150

3K

SPINDLE+

SPINDLE+

R518

FOCUS-

FOCUS-

VREF

VREF

FOCUS+

FOCUS+

-X

MD

MD

IC501

LA6242H

TRACKING+

TRACKING+

TRACKING-

TRACKING-

CN501 QGB2027M4-22S

R51912K

1.5kR521

R5208.2K

C5140.01 FEED+C519 0.047

-FEED

SPINDLE+

-SPINDLE

C517 C518 120p 0.047

FOCUS+C516 0.047

-FOCUS

-TRACKING

TRACKING+

C5130.01

TRO

R51410k

FOO DMO

100/10C502

0.047

R522 1.5k

C515

LM0

R523 1.5k

47/16

C501

R501

33k

D501

Q501

1A3

C551
0.1						0.1
C552
R569 47k

SRAMSTB	R568	22k
/DRST	R567 100
DBUS0	R566 100
DBUS1	R565 100
DBUS2	R564 100
DBUS3	R563 100
DBUCK	R562 100
/DCCE	R561 100
	R546100k

DREQ

C538

DMO

FMO

TRO

FOO

VREF

47/16

L532

47u

L531

47u

C536

0.1

C537

2200p

C544

0.1

C543

FEI

R532

0.1

220

C546 0.1

IO1

IO0

C545 0.1

R531

100k

R545

100

100

10k

100

C542 0.033

1M

R544

R543

R542

R541

C547

47/16

C548 0.1

C549 22/16

C550 0.1

C553

0.01 IC541 TC94A70FG

PO4

PO5

PIO1

PIO2

		SBOK			100k	DOUT					0.033
PIO3	SBSY		IPF	SFSY ZDET	R560			AIN	BCKI	LRCKI	C573
		R547 4.7k
				AOUT1
				BCK
	C554			LRCK						C555
	0.1									0.1
						DATA	BCK	LRCK

2-5