XV-521BK/523GD/525BK/421BK

2-1

DVD Servo control and DSP section (SHEET 5,6)

EF

P(F

ront

end

pro

cess

or)

IC10

1

4CH

Driv

erIC

271

OD

C(O

ptic

al d

isc

cont

rolle

r)IC

301

IC31

1

ZIV

A W

AIT

OS

CI/O

X40

1

EP

RO

MIC

403

Uni

t CP

UIC

401

AD

SC

(Dig

ital s

ervo

con

trol

ler)

IC20

1

16M

RO

MIC

402

CN101

CN503CN502

TD

TA

F1

F2

F1C

D F

2CD

T1C

D T

2CD

RF

+ R

F-

SM

+ S

M-

FM

+ F

M-

T+

T-

F+

F-

PH

OTO

SP

DR

V, T

DO

FS

FO

DR

V, T

RD

RV

TR

SD

RV

BD

O O

FT

R T

GB

AL

TB

AL

TE

RF

EN

VF

BA

L F

E T

G A

SA

RF

+ A

RF

-T

ES

TS

G J

LIN

E

FE

PE

N C

PS

CK

SD

OU

T S

LEE

P

PLL

OK

DA

T0~

3

AD

SC

EN

CIR

CE

NC

PS

CK

SD

OU

TA

DS

CIR

Q

/WR

/RD

/WR

/RD

ST

D0~

7

WA

ITO

DC

WAITDEC

WA

IT

DE

CIR

QC

PU

A1~

20

CP

UD

0~7

CP

UA

0~2

LSIR

ST

AV

DE

CO

DE

RIC

501

27M

Hz

IC50

2 VID

EO

EN

CO

DE

RIC

554

IC50

3

+2.

5V R

EG

IC55

5

16M

SD

RA

MIC

505

16M

SD

RA

MIC

504

SY

SC

LK

VC

LK

VD

0~7

IEC

958

YO

UT

CO

UT

CV

BS

PbO

UT

PrO

UT

DA

_DAT

A1

TO C

N70

1S

HE

ET

4

TO C

N60

1S

HE

ET

3

FR

OM

CN

10O

F F

XL-

V6-

1

LVB

1012

6-A

1

CP

UD

0~7E

PD

OE

PD

IE

PS

KE

PC

S

TX

159

163

142,

143

145,

148

150,

152

154,

155

2939

~46

2~4 6

8~11

202

~

204

1317

716

15

ZIV

A3-

PE

0

207

208

3 178

NA

X03

93-0

01X

TC

74V

HC

00F

T

KM

416S

1120

DT-

G8

KM

416S

1120

DT-

G8

180,

182

184~

189

85

MN

103S

13B

DA

TC

7SH

08F

U

IC31

2T

C7S

H32

FU

MC

4472

4AV

FU

59 6027

IC32

1T

C7W

H74

FU

IC32

2T

C74

VH

C00

FT

37, 3

840

~43

45~

55 5762

, 63

68~

7072

~74

CP

UD

0~7

CP

UA

0~17

8811

2~11

5

63 77~

80

AN

8702

FH

47~

5053

, 54

57~

6062

, 63

5~7,

16,

18

20, 2

2, 2

430

, 31

39~

41, 4

6

11~

14

1~3,

8, 9

, 26,

37

42~

44, 4

7, 4

999

, 100 M

N67

706Z

Y

AK

93C

65A

F

3~6

62~

65

11

53, 5

9, 7

072

, 76

85~

89

MN

102L

25G

DZ

1

1

55, 5

670

, 72

7813

~16

26~

3335

~42

44 93~

100

MS

M53

1622

F

2~11

15, 1

7, 1

921

, 24,

26

28, 3

034

~43

M56

788F

P

3, 1

7, 3

036

, 37

5, 6

, 51

52, 9

8 84

9, 1

0, 1

415

, 31,

32

34, 3

5, 4

2

U2S

DT

S2U

DT

SC

LKO

RE

QB

US

Y

57, 5

867

~69

CP

UR

ST

CN501

FR

OM

CN

706

SH

EE

T 4

M9V

D5V

D3V

Z3V

D2.

7VR

EG

Q1

D2.

7V

S5V

23, 2

482

31, 3

234

~36

V+

5V

Block diagrams

XV-521BK/523GD/525BK/421BK

2-2

DC Regurator section (SHEET 2)

LIN

E F

ILT

ER

L901

QQ

R11

05-0

01

AC

-DC

D90

1S

1WB

/A/6

0-41

01

SW

ITC

HIN

GR

EG

UR

ATO

RIC

901

ST

R-G

6651

AC

-DC

D90

4C

914

AC

-DC

D90

8D

910

TR

AN

SF

OR

ME

RT

901

QQ

S00

28-0

01

FE

ED

BA

CK

PC

901

PC

123F

Q99

1

MO

DE

SW

.P

C90

2P

C12

3F

AC

-DC

D95

6C

982,

C98

4L9

57

AC

-DC

D95

7C

987,

C98

9L9

59

MU

TE

DE

TE

CT

ION

D97

2,D

973

Q96

6C

995,

C99

6

AC

-DC

D95

4C

979,

C99

7L9

55

AC

-DC

D95

3C

965,

C96

6L9

52

AC

-DC

D95

2C

963,

C96

4L9

51

AC

-DC

D95

1C

960

-30V

RE

G.

Q95

3D

950 +

5V R

EG

.IC

953

NJM

78M

05FA

+5V

RE

G.

IC95

1P

Q05

RD

21

+3.

3V R

EG

.Q

964,

Q96

5

FL

ON

/OF

FQ

951,

Q95

2

CN951CN971 CN961

F1

F2

-VD

ISP

B5V

TO C

N83

2S

HE

ET

1

D5V

B5V

P.O

N+

12V

P.M

UT

E

-12V

AC

IN

LVA

1011

2-A

1

TO C

N70

4S

HE

ET

4

M9V

D3.

3V

TO C

N70

5S

HE

ET

4

XV-521BK/523GD/525BK/421BK

2-3

TO CN801SHEET 1

SYSTEMCONTROLLER

IC701

RESETIC702

OSCX701

10MHz

EEPROMIC791

PLL BLOCKD731-D733

L731

DACIC703

DACCONTROL

PDO

XIN

LPFIC741,IC751

F.RESPONCE SW.Q711,Q741,Q751

FS2

OPTICALDIGITAL OUT

J703

J601

ANALOGAUDIO OUT

MUTEQ791

Q743,Q753Q744, Q754D791,D792

MUTE

LOUT

ROUT

OPTICALDIGITAL OUT

CN

705

-12V

+12V POWERSUPPLY

FROM CN951SHEET 2

CN

703

CN

702

CN

701

TO FML-121-1

FROM CN502SHEET 5

LVA10111-A1

REMOTECONTROLRECEIVER

IC801

REMO

FL DRIVERIC802

FL DISPLAYDI801

CN

801

LVA10112-A4

SHUTTLEKNOBS841

orOPERATION

SWITCHS842, S843

LVA10112-A2

System control and Audio out section (SHEET 4)

FL Driver section (SHEET 1)

AV OUT

P.MUTE

P.ONEEDI/OEECSEECK

RESET

CLOSE, OPEN

FLRST,STANDBY INDFLCK,FLDATAI/OFLCS,REMOPOWER SW

DA_DATA1

U2SDTS2UDTSCLKREQBUSYCPURSTCS3RSTESCKRXD/NTSC

TO CN703SHEET 4

S1~S141G~7G

RESET,CS,SIN,SOUT,SCLK

AIN1

OPERATIONSWITCH

S811

OPERATIONSWITCH

S831~S835

AIN5

AIN0

AIN2

B5V

TX

4041

MOTORDRIVERIC712

BA5208A 3435

AOUTBOUT

MT0MT12, 37, 8

MN101C12GHA

6, 2745 - 49

80

18 - 2637, 38

99 39 87 - 91

J702AVCOMPULINK

AVCOMPULINK

Q709

AVCI, AVCO

7778

12, 13

33

50 - 53

64

IC-PST9140-T AK93C45AF

MN35503NJM4580D

1, 5, 925 - 27

2

28 23

10, 1316, 19

R

L

TRANST601

TC74HC08AP

IC792D3.3V

COAXIALDIGITAL OUT

J691

CN

704

D5V

CN

706

FROM CN961SHEET 2 M9V

D3.3V

D3.3V

D5VM9V

Z3VTO CN501SHEET 6

D3.3V

M35500BGP

GP1U271XCN

832

-VDISPF1

F2

B5V

FROM CN971SHEET 2

95

12 - 1511

16, 17

6

23 - 43

10

1

OPERATIONSWITCH

S821STANDBY

INDICATORD801

POWERSWITCH

S801

POWER SW

STANDBY IND

LVA10112-A3

FW

841

FW

802

2

1 3

Ver. E/EN/EE/EV/Bonly

XV-421 only

XV-521BK/523GD/525BK/421BK

2-4

J601

LVA10111-A1V+5V

Cr

2CN601

Cb

Y

4MHz LPFL601, L602

4MHz LPFL611, L612

6MHz LPFL621, L622

3.58MHz BPFL631, L632

C

Cr1

4

7

Cb

Y

C/GND

Y/COMPOSITE

COMPONENTVIDEO OUT

COMPOSITEVIDEO OUT

S-VIDEOOUT

Q641

TO CN503SHEET 6

Video out section (SHEET 3)

9

7

3

5

J69115

19

S691COMPOSITE

-Y/C SW

12

13

Y

C

1CVBS

Q631

Q621

Q601

Q611

3.58MHz BPFL641, L642

1 2 3

4 5 6

Ver. E/EN/EE/EV/B only

8

J601

J601

6

5

4

3

2

1

B C D E F G H I JA

7

XV-521BK/523GD/525BK/421BK

2-5

Digital audio signal pathAudio signal path

System control circuitStandard schematic diagrams

6

5

4

3

2

1

B C D E F G H I JA

7

XV-521BK/523GD/525BK/421BK

2-6

Video signal pathAudio signal path

K603

D629

D639

Q692

R660

R611

R603

R613

R601

R661

Q693

R615

R605

Q611

Q601

R614

R604

R616

R606

C614

C619

C609

R619

R609

D609

D619

J601

K602

K601

C604

L602

J691

S691

R686

C686

C685

R685

C694

R694

C695

R695

Q691

R696

R697

R698

C659 R659

C639

L601

J601

R649C649

D649

R639

R629C629

C603C601

R602

L612

L611 C613C611

R612

R641 R643

R645

Q641R644

R646

C644

L642

L641 C643C641

R642

R631 R633

R635

Q631R634

R636

C634

L632

L631C633

C631R632

R621 R623

R625

Q621R624

R626

C624

L622

L621 C623C621R622

J601R687

K604T601

C696

C697

T601

T601

L605

L615

L625

L635

L645

L651

L652

L655

L662

L665

L661

C652 C653

C656 C657

C654 C655

C658 C660

C661 C662

C664

C665

C666 C667

C650 C651

C645 C646

K614

K613

K612

K610

K608

K609

K607

K606

K605

K611 c668

C663

D600

D610

D620

D630

D640

J601

J601

CN

601

C69

9R68

8

C69

8QQR0601-001Z

1SS133-T2

1SS133-T2

DTC114YS-T

10K

27

27

27

27

2.2K

DTA114ESA-T

220

220

2SA933AS/RS/-T

2SA933AS/RS/-T

390

390

1K

1K

15p

470/6.3

470/6.3

75

75

1SS133-T2

1SS133-T2

QNN0333-001

QQR0601-001Z

QQR0601-001Z

15p

5.6

QNZ0099-001

QSW0454-001

150

470P

470P

150

470/6.3

75

0.1/25

75

DTC114YS-T

1.5K

1.2K

5.6K

470/6.3 75

0.1/25

12

75470/6.3

1SS133-T2

75

75470/6.3

68p180p390

5.6

12 68p180p390

750 750

220

2SA933AS/RS/-T750

1K

10p

5.6

12 47p120p

750

68 68

220

2SA933AS/RS/-T390

1K

10p

5.6

1247p

120p390

750 750

220

2SA933AS/RS/-T750

1K

10p

5.6

12 47p120p750

75

QQR0601-001ZQQR0880-001

22/16

1.5

5.6

5.6

5.6

5.6

5.6

5.6

5.6

5.6

5.6

5.6

5.6

150P 150P

150P 150P

150P 150P

150P 150P

150P 150P

150P

150P

150P150P

150P 150P

150P 150P

QQR0601-001Z

QQR0601-001Z

QQR0601-001Z

QQR0601-001Z

QQR0601-001Z

QQR0601-001Z

QQR0601-001Z

QQR0601-001Z

QQR0601-001Z

QQR0601-001Z 150P

150P

1SS133-T2

1SS133-T2

1SS133-T2

1SS133-T2

1SS133-T2

QNN0333-001

QNN0333-001

QG

B20

27M

1-10

S

33P

10

33P

DOUT

AGND

AUDIOL

Lch

Rch

VS1

AUDIOR

AGND

V.GND

V+12V

VS3

V+5V

Analog circuit

6

5

4

3

2

1

B C D E F G H I JA

7

XV-521BK/523GD/525BK/421BK

2-7

Digital data signal path

IC201

R271

L1

R208

C289

R344

TP277

IC301

TP571

TP304

IC101

IC102

C102

Q274

C101

C103

C104

C107

C108

C109

C111

C110

C112

R108

C239

R110

R112

R283

C240

R107

C151

R109

R111

R114R113

C131

Q201

C145

C146

C261

C264

R122

R121

C138 C139

R433

C136

C135

C134

C133

C132

R129

R128

R127

C130

TP568

C276R209

R210

TP31

R253

TP281

C241

TP140

C208

C209

R434

C210R211

R212 C222

IC403

C412

C223

C224

R347

TP158

TP141

C402

R215

R412

R413

C262

C283

C225

R218

TP202

C226

C230

C227

C228

Q1

R219

R118

C263

C17

C122

R1

R117

C314

C315

C120

R116

C312

C121

IC1

R154

C325

R155

R148

TP29

R317

X301

TP36

C313

TP30

TP32

TP9

TP10

C242

TP11

TP12

TP13

R318

TP35

TP33

TP34

R150 C156

TP22

Q103

TP205

R277

R152

R282

R153

R285

C278

TP110

R279

C288

C248

C249

D301

TP307

C311

C250

C251

C275

R276

R275

R280

R288

IC104

C294

R272

C272

R287

IC401

C406

C401

TP17

R409

R403

TP101

TP136

R316

TP303

TP108

R348

R419

R234

R233

C407

R416

R415

R414

IC402

C411

R350

TP305

R301

R417

C148

R408

R432

R232

TP148

R138

TP212

R244

R302

TP139

R245

R246

TP425

C255

R243

R242

C253

TP570

TP207

TP175

TP201

TP206

R303

C254

C256

C258

C257

C259

R252

TP149

TP419

IC321

R202

R203

TP306

R204

R205

R349

C16

C15

D271

C280

TP8

R304

TP420

R305

TP170

R306

TP174

TP109

TP167

C252

TP169

TP107

R307

R308

R309

TP567

C304

C305

C303

C302

C301

C408

R411

Q275

Q271C271

TP232

TP278

R332

C413

Q202

Q203

TP279

CN501

C414

TP302

TP565

TP401

K101

K102

TP26

TP28

TP27TP25

TP23

TP21

TP18

TP16

TP15

TP14

TP7

TP6

TP5

TP4

TP3

TP2

TP1

TP43

R278

C279

TP213

K201

TP138

K202

R221

K203

R222

K401

C373

TP308

TP137

IC372TP135

TP134

IC312IC311

TP133

R365

TP132

R367

TP131

C342C341

R341

R342

TP156 TP154

R343

TP309

K402

C324

C317

TP301

TP173

TP165TP164TP166

TP37TP38

TP39

TP40

TP41

TP42

TP45

TP44

R404

R405

R10

3

C27

7

C28

4C

285

C11

C28

6

C13

C29

0

C20

7

TP

162

C40

5

C2

Q10

4

C10

6

R13

0

R16

0

C10

5

C20

6

Q10

1

R10

4

Q10

2

R14

7

C15

2

C11

7

R29

0

C11

6

C11

5

C11

8

C11

9R

115

R10

6R

105

R13

1

R13

2

C14

4

R12

3

R12

4 R12

5

R12

6

C26

0

C14

1

C14

0

R25

5

C12

7

C12

4

C16

0

C27

4

C27

3

C20

5

R25

6

R25

7

C13

7

R29

7

C12

3C

143

C16

1

C12

9

C1

C12

8

R21

4 C21

1

R21

3

R33

1

TP

153

TP

155

TP

151

C12

6

R16

1

R28

9

C14

C4

TP

227

TP

208

C12

5

TP

210

TP

203

TP

224

R22

0

R24

8

R36

3

R22

3

TP

228

C15

9

R22

7C

244C

245

TP

102

IC20

2

C32

0

C32

1

R11

9

R14

6

C30

6

R14

9

C31

9

R32

0

R29

6

X40

1

R22

5

C6

R16

5

C12

C15

3

C10

C9

C8

C7

TP

94

TP

93

TP

92

R15

1

R16

6

TP

204

R14

4

C3

C28

7

C32

6

C29

2

R14

5

C28

1

TP

415

C28

2

R22

8

R16

2

R16

4

R22

9

C5

C29

1

IC27

1

R23

0

R28

4

C32

7

C29

3

R28

6

R34

5

R32

1

R32

2

R32

3

R32

4R

325

R32

6

R32

7

R33

0

R29

1

R29

2

R27

3

C24

6

TP

91

R13

6

R34

6

R13

4

TP

220

Q10

5

C31

8

R42

8

R42

7

R42

6

R42

5

R42

4

R42

3

R42

2C

307

C30

9

C31

0

C40

9

TP

211

TP

231

R13

3

C14

7

TP

214

TP

215

R23

5

TP

103

R13

7

TP

176

R13

5

C14

9

TP

217

TP

216

C24

7

TP

218

R24

9

R14

1

R14

0

C41

0

TP

413

R25

0

C15

8

TP

219

R32

9

TP

152

C23

7

C23

8

R24

1

R24

0

R23

9

R23

8

R23

7

TP

221

R42

1

C20

2

R25

4

C20

3

C20

4

C34

5

R27

4

C34

6

TP

150

R31

0

R31

1

R41

8

R41

0

R40

7

R43

1

R20

6C20

1

R20

1

R20

7

TP

405

R36

4

TP

280

R15

6

R16

3

R15

8

R15

9

K27

1

CN

101

R29

5

TP

161

TP

233

TP

234

TP

225

TP

226

R22

4

K30

1

K30

3

K30

2

K10

3

K37

1

R36

6

TP

159

TP

157

IC32

2

C34

3

C34

4

R31

2

C31

6

R32

8

TP

160

TP

163

S5V

MN67706ZY

D3V

56K

D5V

NQL044K-100X

47K

0.1/16

A.GND

NI

MN103S13BDA

M.GND

D.GND

AN8702FH

RN5RZ33BA-X

0.1/16

NI

560P0.1/16

0.1/16

D5V

NI

NI

47/6.3

NI

NI

47/6.3

18K

0.018/16

27K

27K

10K

47P

D2.7V

0

15/6.3

0

0

1K6.8K

S5V

12P

NI

0.01/16

NI

0.1/16

0.47/16

D5V

0

0

0.1/16 0.1/16

NI

0.047/16

0.027/16560P

560P

0.1/16

1M

1M

2.2K

0.1/16

M9V

0.1/16

12K

47K

4.7

0.01/16

0.1/16

0.001

NI

0.00127K

27K0.0056

AK93C65AF-X

0.1/16

0.001

D.GND

0.1/16

1K

D2.7V

0.1/16

1M

10K

4.7k

M9V 0.1/16

0.022/16

1/16

15K

NI

NI

0.001

0.001

2SD2150/RS/-W

47K

22K

0.1/16

0.1/16

270P

10

Z3V

12K

0.1/16

0.1/16

82P

39K

18P

22P

RN5RZ33BA-X

NI

NI

0

NI

0

NAX0375-001X

18P

1/16

0

NI NI

S.GND

NI

10k

M.GND

D5V

1

10k

4.7

10k

0.001

10K

0.022/16

0.15/16

0.1/16

NI

0.1/16

0.1/16

0.1/16

NI

10K10K

10K

10K

NI

NI

D.GND

10k

330P

10K

MN102L25GDZ1

D.GND

0.1/16

0.1/16

NI

4.7k

1M

1K

NI

4.7K

4.7K

0.1/16

4.7k

4.7k

4.7k

MSM531622F**G-X

D.GND

0.1/16

1K

D5V

47k

4.7k

NI

4.7k

4.7k

D5V

4.7K

NI

1K

47k

S3V

1K

1K

0.1/16

1K

1K

0.1/16

D2.7V

D3V

47k

S3V

D.GND

S.GND

33/4

100/4

100/4

1/16

1/16

NI

TC7WH74FU-XS.GND

D5V

47K

47K

47K

47K

1K

D.GND

10/6.30.1/16

S3V

NI

NI

47k

47k

47k

0.1/16

47k

47k

10K

0.1/16

0.1/16

0.1/16

0.1/16

0.1/16

22/6.3

4.7k

DTC144EE-X

NI0.0033/25

NI

NI

NI

NI

QGB2027L1-10X

NI

NI

NQR0007-002X

10k

2700P

NQR0007-002X

NQR0007-002X

NI

NQR0007-002X

NI S3V

NQR0007-002X

0.1/16

NI

TC7SH32FU-XTC7SH08FU-X

D3V

D.GND

NI

NI

D.GND

0.1/160.1/16

NI

0

1k

NQR0007-002X

0.1/16

D5V

D3V

1/16

NI

D.GND

4.7k

27

0.1/

16

0.04

7/16

NI

100/

6.3

NI

NI

NI

470P

0.1/

16

22/6

.3

NI

NI

NI

0

0.1/

16

270P

2SB

1424

/QR

/-X

27

2SB

1424

/QR

/-X

NI

15/6

.3

NI

10K

NI

NI

0.15

/16

220P

24K

NI

NI

8.2K

10K

0.1/

16

0

0

0 0

560P

0.1/

16

22/6

.3

12K

0.00

1

0.1/

16

0.1/

16

NI

NI 12

0P

0 0

NI

1

0.1/

160.

1/16

33/4

NI

0.1/

16

0.1/

16

12K NI

5.6K

NI

56/6

.3

0

10K

NI

0.1/

16

0.1/

16

47K

47K

NI

47K

0.1/

16

1K

0.1/

160.01

/16

TC

7WT

125F

U-X

0.1/

16

0.1/

16

NI

NI

0.1/

16

NI

0.1/

16

NI

10K

NA

X03

31-0

01X

6.8K

0.1/

16

NI

0.1/

16

0.1/

16

NI

NI

NI

NI

NI

1.8K

33K

22/6

.3

NI

0.1/

16

22/6

.3

10K

0.01

/16

NI

18K

0

NI

27K

15/6

.3

0.1/

16

M56

788F

P-W

27K

4.7K

100/

4

22/1

6

10K

5.6K

NI

47k

NI

47k

NI

NI

NI

NI

NI 22

K

1

0.1/

16

NI

4.7K

NI

NI

0.1/

16

0.1/

16

0.1/

16

0.1/

16

0.1/

16

NI

NI

0

NI

NI

NI

0.1/

16

47K

NI

NI

NI

47K

NI

NI

0.1/

16

0.1/

16

220

220

220

220

220

560P

NI

560P

330P

100/

6.3

0

1/16

1k

1k

4.7k

0

NI

4.7k

NI

NI

NI

NI

0

33K

0

NI

NI

NI

QG

F05

01F

3-40

X

10K

0

NQ

R00

07-0

02X

NQ

R00

07-0

02X

NQ

R00

07-0

02X

NQ

R00

07-0

02X

NI

TC

74V

HC

00F

T-X

0.1/

16

0.1/

16

1k

100/

4

47k

CPDET1

CIRCEN

ADSCEN

F+

F-

T-

CPDET2T+

AS

TE

/WR

FE

/DRVMUTE

SLEEP

RF-

RF+

F2

F1

TD

TA

HAGUP

F2CD

T2CD

T1CD

IPFLAG

NTRON

PLLOK

LG

SYSCLK

SLEEP

FEPEN

CPSCK

SDOUT

TGBAL

TBAL

STD7

FBAL

F1CD

STD6

CPURST

STD5

STD4

STD3

STD2

STD1

STD0

STEN

JLINE

CD/DVD

LDCUR

ODCIRQ2

ODCIRQ

HSSEEK

EPDOEPDI

EPCS

EPSK

ARF+

SCLKO

S2UDT

U2SDT

BUSY

REQ

ADSCIRQ

SDOUT

SDIN

CPSCK

ARF-

SLEEP

FEPEN

LSIRST

EPDOEPDI

EPSK

EPCS

CPUA0

CPUA1

CPUA2

CPUA3

RFENV

BDO

TXSEL

/RD

/WR

OFTR

/ADPD

CPUA20

CPUA9

CPUA11

CPUA12

CPUA13

CPUA14

CPUA16

CPUA17

CPUA0

CPUD4

CPUD6

CPUD7

CPUA10

CPUD5

CPUA19

CPUA18

CPUA8

CPUA7

CPUA6

CPUA5

CPUA4

CPUA3

CPUA2

CPUA1

/RD

CPUD0

CPUD1

CPUD2

CPUD3

CPUA15

SYSCLK

IPFLAG

NTRON

LG

JMPINH

PLLOK

SDIN

CPDET1

CPDET2

NCLOCK

SUBC

LDCUR

TRSDRV

TG

RFENV

TDOFS

ADSCTX

TESTSG

JMPINH

BDO

DECIRQ

FM+

SM+

A.GND

D.GND

SM-

FM-

MICOUT

D5V

M9V

M.GND

/RD

WAITDEC

CSDEC

CP

UD

2

CP

UD

3

CP

UD

4

CP

UD

5

CP

UD

6

CP

UD

7

CP

UA

17

CP

UA

16

CP

UA

15

CP

UA

14

CP

UA

13

CP

UA

12

CP

UA

11

CP

UA

10

CP

UA

9

CP

UA

8

CP

UA

7

CP

UA

6

CP

UA

5

CP

UA

4

CP

UA

3

CP

UA

2

CP

UA

1

CP

UA

0

/WR

/RD

CP

UD

1

CP

UD

0

DA

T0

DA

T1

DA

T2

DA

T3

CH

CK

40

NC

LOC

K

SU

BC

HM

FO

N

ST

CLK

ST

VA

LID

AV

RT

M

HS

SE

EK

TD

TA

T2C

D

T1C

D

TA

TD

F1

F1C

D

F2C

D

F2

OD

CIR

Q2

OD

CIR

Q

TE

HA

GU

P

CP

UD

0

CP

UD

1

CP

UD

2

CP

UD

3

CP

UD

4

CP

UD

5

CP

UD

6

CP

UD

7

TE

ST

SG

RF

-

RF

+

HM

FO

N

CD

/DV

D

CP

UA

4

CP

UA

5

CP

UA

6

CP

UA

7

CP

UA

8

CP

UA

9

CP

UA

10

CP

UA

11

CP

UA

12

CP

UA

13

CP

UA

14

CP

UA

15

CP

UA

16C

PU

A17

CP

UA

18

CP

UA

19

CP

UA

20SM

-

SP

DR

V

OF

TR

TG

BA

L

TB

AL

BD

O

FB

AL

JLIN

E

HS

SE

EK

AR

F+

AR

F-

AS

TR

SD

RV

TG

SP

DR

V

T-

T+

AD

SC

IRQ

CH

CK

40

FE

DA

T3

DA

T2

DA

T1

DA

T0

AD

SC

EN

CIR

CE

N

CP

SC

K

SD

OU

T

CD

/DV

D

F+F-

SM

+

FM

+

FM

-

DVD servo circuit

6

5

4

3

2

1

B C D E F G H I JA

7

XV-521BK/523GD/525BK/421BK

2-8

Digital video signal pathDigital audio signal path

Digital data signal pathVideo signal path

C543

IC501

C556

C557

R589

D501

K550

R588

K506

C565

IC511

K551

R558

R567

R580

R566

K562

K565

K564

R579

R578

R577

IC554

C542

R561

R562

R563

R564

R565

R568

R569

R570

C568

C561

C569

C562

C566

R576

R575

R574

R573

R571

R572

IC555

K553

K554K555

C541

C540

IC504

K504

C545

C599

C550

K563

K561

K566

K567

K568

K569

K570

K571

K572

K574

K575

K576

K577

K578

K579

C547

C546

C593

C595

C534

K502

C539

C594

C596

TP507

R501

R548

C531K556

K557

K558

R502

C501

C502

C503

C504

C505

C506

C507

C524

C523

C522

C521

C520

C519

C518

K559

TP505R531

K501

C532

TP506

R592

R522

R521

R520

R519

R518

R517

IC505

R591

C590

C589

R550

TP55

TP56

TP57

TP58

TP59

TP60

TP61

TP62

TP63

TP64

TP65

TP66

TP67

TP68

TP69

TP70

TP71

TP72

TP73

C53

6

C53

5

R59

0

R58

7

R58

6

C56

4

K50

7

R59

6

TP

530

TP

47

C57

0

R54

9

CN

503

CN

502

C56

3

R58

2

R58

1

R58

4

D55

1

D55

2

C56

7

R58

5

R58

3

C57

1

C57

2

K50

5

K51

1

IC50

3

C53

3

R53

3 R52

8

R54

5

R53

4

R53

5

R53

6

R53

7

R53

8

TP

503

C59

2

C53

0

R53

9

C59

1

D51

3

R54

7

R54

0

C51

6

C51

5

C51

4

C51

3

C51

2

C51

1

C51

0

C50

9

C50

8

C52

9

C52

8

R52

3

C52

6

C52

5

R52

4

D51

1

R53

2

R52

5

R52

6

R52

7R52

9

K50

3

R50

4

R50

5

R50

6

C53

8

C53

7

R50

7

R50

8

R51

1

R51

2

R51

3

R51

4

R51

5

R51

6

R51

0R

530

C51

7

C52

7

D51

4

D51

2

TP

504

IC50

2

R50

9

TP

48

TP

50

TP

49

TP

52

TP

53

TP

51

TP

54

R54

4

R54

3

R54

2

R54

1

0.1/16

ZIVA3-PE0

100/6.3

0.1/16

1K

1SR154-400-X

NQR0007-002X

1K

NQR0007-002X

D.GND

0.1/16

NI

NQR0007-002X

NI

NI

D.GND

180

NI

NQR0007-002X

NQR0007-002X

NQR0007-002X

180

180

180

MC44724AVFU

22/6.3

NI

NI

NI

1.5k

3.3k

NI

NI

NI

0.1/16

0.1/16

22/6.3

22/6.3

0.1/16D3V

D.GND

180

180

180

180

D5V

10

D.GND

180

NI

NQR0007-002X

NQR0007-002X

NQR0007-002X

0.1/16

22/6.3

KM416S1120DT-G8

Z3VNQR0201-001X

D.GND

A.GND D.GNDNI

NI

NI

NI

NQR0007-002X

D.GND

NQR0007-002X

D5V

NQR0007-002X

NQR0007-002X

NQR0007-002X

NQR0007-002X

NQR0007-002X

NQR0007-002X

NQR0007-002X

NI

NI

NI

NI

100/6.3

NQR0007-002XZ3V

D.GND

0.1/16

NI

D.GND

NI

1k

3.3k

0.1/16

NQR0007-002X

NQR0007-002X

NQR0007-002X

D.GND

2.2k

0.1/16

0.1/16

0.1/16

0.1/16

0.1/16

0.1/16

0.1/16

0.1/16

0.1/16

0.1/16

0.1/16

0.1/16

0.1/16

0.1/16

NQR0007-002X

Z3V

D.GND

33

NQR0007-002X

0.1/16

NI

33

33

33

33

33

33

KM416S1120DT-G8

NI

NI

NI

00.01

/16

0.1/

16

NI

1.2K

1.2K

0.1/

16

NI

0.1/

16

NI

QG

B20

27L1

-10X

QG

B20

27L1

-22X

0.1/

16

180

100

NI

1SS

355-

X

1SS

355-

X

22/6

.3

NI

NI

NI

NI

NQ

R02

69-0

01X

TC

74V

HC

00F

T-X

0.1/

16

33

180

4.7k

3333333333

NI

100/

6.3

33

NI

NI

2.2k

33

Z3V

0.1/

16

0.1/

16

0.1/

16

0.1/

16

0.1/

16

0.1/

16

0.1/

16

0.1/

16

0.1/

16

0.1/

16

0.1/

16

180

0.1/

16

0.1/

16

180

NI

0

180

180

180

180

NQ

R00

07-0

02X

33 33 33

0.1/

16

22/6

.3

33

33

33 33 33 33 33 33

3318

0

0.1/

16

0.1/

16

NI

NI

NA

X03

93-0

01X

33

0 0

0 0

RXD

COUT

SCK

PrOUT

CS3

/NTSC

RSTE

CVBS

DA_DATA0

DA_DATA2

DA_DATA1

DA_DATA3

DA_LRCK

DA_BCK

CPURST

BUSY

REQ

SCLKO

S2UDT

U2SDT

Y

TX

/NTSC

CS3

SCK

RXD

VD0

VD1

VD2

VD3

VD4

VD5

VD6

VD7

VSYNC

HSYNC

RSTE

VCLK

LDQM

VD0

VD1

VD2

VD3

VD4

VD5

VD7

VD6

/MWE

SD_CAS

SD_RAS

MA11

MA10

MA0

MA1

MA2

MA3

MD0

MD1

MD2

MD3

MD4

MD5

MD6

MD7

MA4

MA5

MA6

MA7

MA8

MA9

SD_CLK

UDQM

MD8

MD9

MD10

MD11

MD12

MD13

MD14

MD15

MA3

MA4

MA2

MA5

MA1

MA6

CPUD7

CPUD6

CPUD5

CPUD4

CPUD0

CPUD1

CPUD2

WAITDEC

LDQM

/MWE

DECIRQ

SD_CAS

LSIRST

SD_RAS

MA11

MA10

MA0

YOUT

PbOUT

MA1

MA2

MA3

MD0

MD1

MD2

MD3

MD4

MD5

MD6

MD7

MA4

MA5

MA6

MA7

MA8

MA9

SD_CLK

UDQM

MD8

MD9

MD10

MD11

CPUD3

MD12

MD13

MD14

MD15

YO

UT

CV

BS

Y

CO

UT

PbO

UT

PrO

UT

/AD

PD

DA

_DA

TA

0

DA

_BC

KD

A_L

RC

K

ST

VA

LID

ST

D0

ST

D1

ST

D2

VC

LK

VS

YN

C

HS

YN

C

MD

7

MD

8

MD

6

MD

9

MD

5

MD

10

MD

4

MD

11

MD

3

MD

12

MD

2

MD

13

MD

1

MD

14

MD

0

MD

15

LDQ

M

UD

QM

/MW

E

SD

_CLK

SD

_CA

S

SD

_RA

S

MA

9

MA

11

MA

8

MA

10

MA

7

MA

0

CP

UA

0

CP

UA

1

CP

UA

2

/WR

/RD

ST

D3

ST

D4

ST

D5

ST

D6

ST

D7

AV

RT

M DA

_DA

TA

3

DA

_DA

TA

2

DA

_DA

TA

1

MIC

OU

T

DE

CT

X

AD

SC

TX

TX

SE

L

ST

EN

ST

CLK

DSP circuit

6

5

4

3

2

1

B C D E F G H I JA

7

XV-521BK/523GD/525BK/421BK

2-9

Q953

D901

C906

L901

C907

R901

D902

C908

D903

Q966

C909

PC902

IC901

R903

K902

R904R906

D910

C918

C914

C913

D904

D911

C910C915

R900

D953

R908

R907

D908

PC901

C916

D951

C951

D952

C952

C953

D954

C954

C960 C961

Q951

R952

R953L951

C964 R955Q952

C963

R954

IC951

C965

L952

C966 C967 C968C969

P901

R972

C973

R971

HS964

CP951

IC953

C979C997

L955

C981

R956

C984

C970

C982

D956

C956

L957

L959

C989C987

D957

C957

C992

Q991

R960

C993

D991

R969

T901

BK901

D970

D972

D973 D974

R975

R973

R976

C995

C996

Q964

Q965

CN

971

C90

2

CP

952

R90

5

R91

1R

910

D96

0

C96

2

R98

0

D95

0

R96

1

R96

2

R96

3

R96

4

R96

5

C97

6

C99

4

C97

7

C97

8

R97

4

CN

951

CN

961

2SA1175/FE/-T

S1WB/A/60-4101

1000p/AC250V

QQR1105-001

68K

ERA18-04-T1

3300P/1K

ERA18-04-T1

2SA1175/FE/-T

100P

PC123F

STR-G6651

27

2.2k680ERA18-04-T1

0.1

39/25

ERA18-04-T1

1SS133-T2

220P470P

220

FMB-24

3.3K

0.47

ERA18-04-T1

PC123F

0.0033

ERA18-04-T1

100p

ERA18-04-T1

100p

100p

ERA18-04-T1

100p

82/10 1.5

2SC2060/QR/-T

10k

10K0.22

22/50 22kKRA104M

39/35

4.7

PQ05RD21

1000/10

100

470/10 0.1 0.1220/10

1.2k

100/10

4.7k

LE40505-001A

ICP-N10-T

NJM78M05FA

820/16220/16

100

1.5

10

220/25

0.1

560/25

ERA18-04-T1

100p

100

100

100/25180/25

ERA18-04-T1

100p

0.47/50

2SC2785/FE/-T

100

100p

220

QQS0028-001

E409182-001SM

1SS133-T2

1SS133-T2

1SS133-T2 1SS133-T2

5.6k

1K

220

220/16

22/16

2SB1565/EF/

2SC2785/FE/-T

QG

B12

16J1

-06S

0.06

8

ICP

-N5-

T

68k

750K

750K

MT

ZJ2

.0A

-T2

22/5

0

2.7K

MT

ZJ2

2C-T

2

680

1M 10k

0.1

0.02

2/25

0.1

100/

10

5.6K

QG

B20

11L1

-08

QG

B20

11L1

-08

Power supply circuit

6

5

4

3

2

1

B C D E F G H I JA

7

XV-521BK/523GD/525BK/421BK

2-10

B8004

S831

R804

C821

R806

R805

D801

R809

R808

R807

S842

S843

C811

DI801

S821

IC801

C801

C802

C812

R813

S833

S832

R821

S834

S835

IC802

S801

S811

R84

4

R81

4

FW

802

CN

801

S84

1

R80

1

R80

2

R80

3

C81

4

R84

5R

847

C81

3

R84

6R

848

CN

832

R81

6

FW

841

2.2K

4.7/50

1K

2.2K

SLR-342VC-T

1K

1K

1K

0.1

QLF0064-001

GP1U271X

0.1

47/10

47/6.3

1K

M35500BGP

2.2K

QG

F12

05F

1-08

QV

Q01

23-B

15

2.2K

2.2K

2.2K22

P

430

1.1K

0.1

680

2.2K

QG

B12

16K

1-06

S

430

RESET

AIN1

POW.SW

D.GND

B5V

STANDBYIND

SOUT

SCLK

SOUT

SIN

D.GND

AIN1

B5V B5V

D.GND

S9

S8

S7

S6

S5

S4

S3

S2

S1

AIN0

RESET

S10

AIN2

SCLK

CS

SIN

CS

AIN1

AIN

2

AIN

0

7G1G 2G 3G 4G 5G 6G

S14

S13

S12

S11

S10

S11

S12

S13

S14

S1

S2

S3

S4

S5

S6

S7

S8

S9

1G 2G 3G 4G 5G 6G 7G

Display circuit

6

5

4

3

2

1

B C D E F G H I JA

7

XV-521BK/523GD/525BK/421BK

2-11

Voltage value section

6

5

4

3

2

1

B C D E F G H I JA

7

XV-521BK/523GD/525BK/421BK

2-12

Printed circuit boardsMAIN board (suface side)

6

5

4

3

2

1

B C D E F G H I JA

7

XV-521BK/523GD/525BK/421BK

2-13

(bottom side)

6

5

4

3

2

1

B C D E F G H I JA

7

XV-521BK/523GD/525BK/421BK

2-14

DVD Servo

(suface side) (bottom side)