— 23 —

KV-20S90 / 21SE43C

1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 |

A

—

B

—

C

—

D

—

E

—

F

—

G

—

H

—

I

—

J

—

K

—

L

—

M

—

N

—

O

—

P

—

A BOARD SCHEMATIC DIAGRAM

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

252627282930313233343536373839404142434445464748

1

2

3

4

5

6

1

2

1 2 3 4 5 6 7

123

1

2

1

2

3

12 12

12

34

56

78

910

1112

1314

1516

1718

1920

2122

2324

2526 27

2829

3031

3233

3435

3637

3839

4041

4243

4445

4647

4849

5051

52

1234

1

3

2

4

6

12

34 5

67

8

1 2 3 4 5 6 7 8 9 10 11 12 13

1

2

3

4

5

6

1

23

4

1

2

3

4

5

12345

12

34 5

67

8

12

34 5

67

8

1 2 3 4

5678

1

3

4

5

6 8

9

2

10

11S

2

3

4

5

7

8

9

10

11

12

14

15

13

1

2

4

3

V L R

12

34 5

67

8

V L R

C692

CN203

C046

C038

C691

R253

C576

C562

C564

CN402

C531

L591

C004

C629

C218

C221

C306

D541

D552

D561

D562

D574

L504

T601

C150

C200

R544

R546

C509

C151

C376

C653

C375

D201

D611

FB501

D650

D205

C552

C553

D302

CN501

R553

X301

C502

C508

R254

R392

R393

C017

C019

C020

C028

C034

C047

C060

C062

C091C092

C101

C201

C217

C219

C222

C228

C232

C301

C308

C310

C311

C319

R002

R009

R013

R016

R017

R018

R020R021 R022 R023

R030

R031

R038

R043

R046

R048R049

R085

R087 R088R089

R101R150

R151 R201

R239

R240R251

R255

R257

R290

R306

R312

R313

R315

R316

R319

R324

R549

R650

R383 R384 R385

R321 R322C651

C160

R065

R066

D571

D581

R641

C050

C039

R252

C303

C574

C215

R008

R054

C316

C317

C318

R256

R025

R026

R040

R280

R311

R329

R580

C077

R586

L001

L150

L151

L160

L302

L301

CN601

R620

D601

R659

FB602D615

D613

D614

D602

PH600

C632

R623

D632

D631

R616

D634 D635

D637

T604

D636

C654

D653

FB611

D616

C657

FB605

FB606D617

L200

FB609

C620

R675

R028

D633

T501

C236

R295

R289

C561

C646

D320

RY602

D670

D434

R293

D638

D603

C243

D502

L503

X001

R050

R390

C006R077

R075

C005 R074

R096

C055

R097

R078

R092

R001

R005

R093

R394

CN502

R660

CN602

R679

R073

L002

C013

C014

D003

C037

C048

C074

C203

C205

C204

C216

C220

C226

C234

C305

C309

C312

C314

C320

C321

C374

C418

C504

C505

C507

C511

C541

C571

C591

C601

C602 C603

C618

C628

C631

C634

C641

C645

D001

D002

D209

D210

D301

D310

D311

D403

D501

CN401

L003

PS201

R003

R007

R027

R044

R032

R033

R058

R057

R072

R086

R090

R099

R204

R205

R237

R238

R242

R243

R284

R301

R304

R307

R308

R309

R314

R317

R323

R325

R331

R508

R533

R534

R561

R562

R571

R577

R578

R582

R585

R636

R638

R655

R661

R663

R672

R688

RY601

S001

S007S006S002S005 S004 S003

T504

JW203

JW510 JW511

JW690

JW691

R060

R504

R235

R231

C027

D004

R004

R045

R047

R091

C373

R330

FB60

4

R591

R400

R432

R433

R502

R056

D038

C604 C605

C613

C617

C616

D609

R658C638

F601

R268

R269

R651

R652

R664

R698

T603

THP601

VDR601

C233

R206C206

D204D203

J202

C202

R202

D202

IC200

J201

R294

R288

R234

C214

R230

R297

C611

R683R643

R682

R671

R670

R617

R612 R614R611

R610

R603

R602

R552

R574 R575 R572

R573

R565R567

R576

R566R568

R583

R584

R532

R579

R541R542

R548

R543

R547

R649

R633

R632

R637

R639

R662

R634

R648

R647R657

R656C621

R501R535

R626

R625

R630R631

R391

R298

R347

C330C390

R356

R076C007

C078

C001R055

R310

R318

C313

R560

R559

C556

R635

R640

C630

C626

C633

C690C693

C543

C542

C650

C656C614

C573

C577 C575

C623

C622

CN301

IC001

IC301

J400

D208

R019

C011R010

R070

R051

R011

C072 R241

R291

R353

Q252

Q205

Q390

Q203

Q302

Q301Q650

Q001

Q002

Q394Q393

Q392

Q300

Q003

Q391

Q305

Q303

Q670

Q556

Q607

Q502

Q606Q501

Q608

Q571

Q602

Q605

Q601

R644

IC401

IC201

IC002

IC004

IC601

IC521

IC602

D572

D573

R071

C643

C644

R061

IC003

IC541

C065

C563

C647

C648

R608

R609

R674

FB600 FB601

15k2W:RS

4725V:CI

47025V:CI

4725V:CI

47016V:CI

4725V:CI

47025V:CI

47025V:CI

0.125V

B:CC-CP

0.125V

F:CC-CP

4725V:CI

0.015200V:CA

0.015200V:CA

330p2kV:CC

0.068200V:CA

220p500VB:CC

10250V:CI

47025V:CI

47025V:CI

33160V:CI

10025V:CI

4725V:CI

47025V:CI

4725V:CI

MTZJ-T-77-5.1C:40

4.72W:RS

4702W:RS

471/2W:RD

1:CI

560p CH:CC-CP

0.1:CQ

470p B:CC-CP

0.022B:CC-CP

220pCH:CC-CP

470p B:CC-CP

0.0022 B:CC-CP

4.7:CI

1:CI

0.47:CI

0.1:CQ

10:CI

10:CI

1:CI

18pCH:CC-CP

10:CI

1:CI

0.01B:CC-CP

4.7:CI

10k:RD

220 :RD

22k :RD

470 :RD

1k :RD

6.8k:RD

680:RD

820:RD

2.2k:RD

10k:RD

1k:RD

220:RD

1k:RD

10k:RN-CP

220:RD

220 :RD

4.7k:RD

680:RD

:SV

10016V:CI

10016V:CI

0.45UH:E

:F

:F

:LFT

MTZJ-T-77-30D:40

GP08DPKG23:4A

RGP10GPKG23:4G

RGP15GPKG23:4G

RGP15GPKG23:4G

100pCH:CC-CP

470k:ZZ-CP

680:ZZ-CP

1k :ZZ-CP

220 :ZZ-CP

100 :ZZ-CP47k :ZZ-CP

220:ZZ-CP

220:ZZ-CP

10k:ZZ-CP

680:ZZ-CP

680:ZZ-CP680

:ZZ-CP

10k:ZZ-CP100

:ZZ-CP

100:ZZ-CP

470k:ZZ-CP

470:ZZ-CP

100:ZZ-CP

100 :ZZ-CP

10k:ZZ-CP

100:ZZ-CP

220:ZZ-CP

100:ZZ-CP

10k:ZZ-CP

6.8k:ZZ-CP

10k:ZZ-CP

2.2k:ZZ-CP

2.2k:ZZ-CP

2.2k:ZZ-CP

100:ZZ-CP

1k:ZZ-CP

10k :ZZ-CP

4.73W:RS

4.7160V:CI

10:CI

15pFCH:CC-CP

15pFCH:CC-CP

1025V:CG

0.22:CI

10:CI

4P:ZZZ

2P:ZZZ

470:ZZ-CP

220:ZZ-CP

10k :ZZ-CP

0.01

B:CC-C

P

0.01

B:CC

-CP

0.01

B:CC

-CP

4.7k:RD

5.6k :RD

5.6k :RD

470 :RD

75:ZZ-CP

100

0

100pCH:CC-CP

6.8kCHIP

10k

330

JW(5mm)

470p

JW (5MM)

1k CHIP

0.01CHIP

0CHIP

0CHIP

MTZJ-T-77-10B:40

1SS133T-77:4A

1SS133T-77:4A

1SS133T

MTZJ-T-77-10B:40

220p 500V B:CC

10k

100025V

10450V

680p500VB

S3L20UF4

S2L20UF

ERC04-06S

ERC04-06S

ERA22-08TP3

1SS133T-77 1SS133T-77

MTZJ-T-77-6.2C

RU4AM-T3

1.1UH

1.1UH

1.1UH

0UH

1.1UH

PC123FY2

6.81/2W

D1N20R-TA

1SS133

MTZJ-T-77-5.6C:40

1SS133T-77

:HDT

0.0047

CHIP

:CHIP

:CHIP

:CHIP

:CHIP

:CHIP

2P

UDZ-TE-17-5.1B

D3SB60F

2.2M1/2W

1.810W

RGP10GPKG23

3.3mH

10k :RD

100CHIP

0.047100kCHIP

10kCHIP

1 10kCHIP

2.2kCHIP

100p CHIP

10k

1kCHIP

1kCHIP

10kCHIP

220 CHIP

4.7k

100

6P:S-MICRO

0.471/2W

470

3.3

:CHIP

EGP20DPKG23:4G

6P:ZZZ

2P

221W

220p CH

0.1 25V B:CC-CP

1SS133T-77 :4A

0.0022 B:CC-CP

0.001 B:CC-CP

100p CH:CC-CP

0.001B:CC-CP

1

1025V

0.47

47025V

4.7160V:CI

10

0.125V

B:CC-CP

0.01CHIP

100025V

0.001CHIP

0.47

470pF

47016V:CI

10

470p500VB:CC

2000pF1.2kV

3900pF1.2kV

0.33250V

220:CI

22 :CI

0.01 100V

0.47 125V

4700pF250V

4700pF250V

680p1.5kV

10025V

220016V

100160V

680p500V

0.01250V

MTZJ-T-77-5.1C:40

LED UNITSTAND-BY/TIMER

MTZJ-T-77-10B:40

MTZJ-T-77-10B

MTZJ-T-77-8.2B

MA111-TX

MA111-TX

1SS133 :4A

ERC06-15S

2P

:CHIP 220 :ZZ-CP

100 :ZZ-CP

5.6k :RD

220 :ZZ-CP

220 :ZZ-CP

220 :RD

4.7k :ZZ-CP

4.7k :ZZ-CP

220

10k:ZZ-CP

10k:RD

4.7k :RD

75:CHIP

470k

220

1k

22k

33k

0

0 :RT

10k :ZZ-CP

4.7k:CHIP

220k

22k

220 :RD

2.2k

680

100k

100

:ZZ-

CP

1501W

47k

22k

11W

11W

1 2W :RS

18k

56k2W

68k:CHIP

33k

4.7k

22k

0.222W

5.6k3W

12W

5.6k3W

5.6k3W

POWERPU-Z

DEMOPU-Z

TV/V:PU-Z

CH+:PU-Z

VOL-:PU-Z

VOL+:PU-Z

CH-:PU-Z

(7.5MM)

(12.5MM) (12.5MM)

(5.0MM)

(5.0MM)

JW(5.0MM)

JW(7.5MM)

3.3k:CHIP

10k :CHIP

220pCH:CC-CP

1SS133T-77

10k

4.7k

4.7k

10k

0.1 25V 100

:ZZ-

CP

1.1U

H

102W

22k

12k

12k

4.7k3W

4.7k :RD

MTZJ-T-77-5.6C:40

1

470k1

MTZJ-T-77-10BESDMTZJ-T-77-10B

:40

3PFRONT A/V

1

470k:CHIP

MTZJ-T-77-10BESD

NJM2521M-TE1R-SWITCH

3PREAR A/V

0CHIP

0CHIP

3.3k:CHIP

0.22

10k:CHIP

100

0.0012kV

2.2k

4.7k

4.7k

1k

2.2k

680

680 10k47k

1k

470k

4.7

220k:RD

1k 330k:RD

2.2k

470k:RD

22k4.7k

100k:RD

15k1M

100k:ZZ-CP

10k:ZZ-CP

4.7k:RN

620:ZZ-CP

4.7k:ZZ-CP

10k:RD

4.7k:RD

10k:RD

2.2:RD

470:RD

33k:RN

10k

10k

47k

0.47

1k

2.2k

331/2W3.3k

1.5k470p

2.2k:RD 100k

:RD

100k:RN

2.2k:RN

2.2k :RD10k :RD

1k

100

680:ZZ-CP

680pB:CC-CP

0.1:CQ

2.2k:ZZ-CP

1M220pCH

470pB

220pCH:CC-CP220

1k:ZZ-CP

10k

0.01B:CC-CP

68k

150k

0.0022B

10k

47k

0.01B

0.47:CI

47

0.47:CI 0.47

:CQ

0.22:CQ

47:CI

0.001

220.001

4.7:CI

0.47:CI

0.01B:CC-CP

0.01

0.001

5P:S-MICRO

M37273MF-255SP

CXA2133BSY.CHROMA.JUNGLE

HEADPHONE JACK:HJP-S

MTZJ-T-77-10B:40

4.7k:RD

0.001B:CHIP 220

4.7k

220 :CHIP

220 :CHIP

220pCH:CC-CP

4.7k

4.7k

0:CHIP

2SD601AAGC

2SB709ABUFFER

:0B2SD601A-QRS-TXBUFFER

2SB709AMUTE:0B

2SB709AIK BUFFER

:0B2SB709AIK BUFFER

:0B

2SD1292-T1035V REG

2SB709A-QRS-TXH SYNCH SEP

2SD601AHP

2SB709ABUFFER

:0B

2SB709ABUFFER

:0B2SB709ABUFFER

:0B

2SD601A-QRS-TXHP PROTECT

:1B

2SD601AHP

2SD601ABUFFER

:1B

2SB709ABUFFER

:0B

2SC3311ABUFFER

2SD774-T-34RELAY DRIVER

2SD601A-QRS-TXBUFFER

2SK2845-LB102CONVERTER

2SD2624H OUT

2SD1292-T103PROTECT 2SC3209LK-TP

H DRIVE:1B

2SC3311A-QRSTASW

2SA1091O-TPE2OCP:0B

2SD601ABUFFER

2SD2137-OP-TA9V REG

:1D

2SC3311ASW:1B

1.2k

TDA7057AQ/N2AUDIO AMP

NJM2521M-TE1L-SWITCH

:HT

NJM78LR05BM-TE2STBY 5V

SBX3081-71SIRCS

NJM4558M-TE2V HOLD OUT

:HA

ERROR AMP:HD

1SS133T-77TEMP CORR

:4A

MTZJ

-T-7

7-8.

2BHO

LD DOW

N:4

0

4.7k

0.0047 250V E

0.0047250V

E

JW(5.0MM)

M24C08-MN6T(A)MEMORY

AN5522 V OUT :HN

1000p B:CC-CP

0.0047 200V

470p

0.001500V

B

22M1/2W

2.2k

680

1.1UH 1.1UH

9V

SET-5V

SET 9V

HPVP

VOL 5V

9V

SDA

HP

VIDEOVIDEO

VO

V1

RG

B

+B

AUDIO VCC

AUDIO VCC

VP

+B

9V

TV

V2

TV

AUDI

O VCC

R

B

G

9V

HP

VOL 5V

+B

12V

12V

SYBY+5

TV R

MAIN

*250V

*250V

*

*

*

*

** 125V

*

*:CHIP

*:CHIP

*

*

*

*

*

*

*

*CONVERTER

H DY +

H DY -

V DY -

V DY +

H DY -

H DY +

OUT

SP L +

SP L -

FV

HV

V OUT

V MID

FBT

RF-AGC

SP901(R)

1 5 10 15

SP902

<TUNING CONTROL>

E

AC

AC

DGC

DGC

20V ONLY

I-HP

I-CVIN

I-CNVSS

I-DSC

O-OSC

Vss

O-R

O-G

O-B

O-OSDBLK

IO-BDAT

I-RESET

Vcc

B INT

B DAT

B CLK

(L/MONO)

G2

H.DY H.DY V.DY V.DY

200V

115V

115V

ABL

H

H

<FOR JIG>

FOCUS

HV

(20V ONLY)

G2 (20V ONLY)

Y/C/J

POWER SUPPLY

TUNER/IF

AUDIO

MTS

CONTROLTUNING SYSTEM

IO-SDAT

I-VHOLD

TO AC

CONNECTORTO

DGC

AO

A1

A2

VSS

VDD

B-CLK

B-DAT

O-V1

V

5

6

9

8

7

2

4

1

0

0

V

11

S1

S2

GND

L-OUT

V+

TV-L

V1-L

V2-L

SET+9VH.DRIVE

DET OUT

180V

BLUE OUT

H OUT

DEFLECTION

DRIVE+

BOOST

DRIVE-

VCC+

VCC-

OUT1

IN-1

IN+1

-VCC

+VCC

OUT2

IN-2

IN+2

APED

EW

SCL

SDA

EYIN

ABLFIL

VC1

NC

VI 1

VCC

VI 2

S GND

VC 2

OUT 2+

PGND 2

OUT 2-

OUT 1-

PGND 1

OUT 1+

SP R +

SP R -

SCP

+B

AUDIO VCC

-13V

+13V

H.PROT

REF

E

HEATER

I-VPN

O-VOL

O-ADJ

O-MUTE

I-RMCN

I-HSYNC

I-PROT

I-POWERN

I-HLF

O-LED

I-AVCC

I-KEY

O-DGC

I-AFT

O-YM

O-SAP

O-V0

O-CHBLK1

I-BINTN

I-STEREN

0-MONO

IO-BCLKN

IO-SCLKN

NC

TP100

TP101

TP102

TP602

TP001

TP300

TP507

TP506

TP504

TP501

TP502

TP503

TP601TP500

TP400

C1

ABLIN

CVBS1/Y1

VTIM

MONOUT

COMB C

YCLAMP

COMB Y

GND1

IREF

VD+

VD-

VM

REG

HP/PROTECT

HD

AFCFIL

IKIN

ROUT

GOUT

BOUT

XTAL1

XTAL2

XTAL3

APCFIL

VCC2

TV/C2

CVBS2/Y2

GND2

EB-YIN

ER-YIN

YUVSW

VCC1

R2IN

G2IN

B2IN

YS2/YM

R1IN

G1IN

B1IN

YS1

O-RELAY

0-SPSW

O-SRS1

0-SRS2

I-AFT2

I-SSW

0-BBE/MB

0-ANTSW

INPUT

N/C

CD N/C

GND

RESET

N/C

OUTPUT

E

B

G

R

1K

NC

200V

NC

0-AGCMUTE

O-VMLV

0-HSYNCSW

0-MARKER

A

TP508

DGC

DGC

AC

IN

TO C BOARD

CN1751

TO C BOARDCN1752

BA4D-905-A

GND

R-OUT

V+

S1

S2

TV-R

V1-R

V2-R

CLOCK

DATA

ENABLE

IF OUT

VCC 9V

AFT OUT

NC

NC

RF AGC

OUT

DET

OUT2

DET OUT

ST LED

SAP LED

MODE

F MONO

SMD

MUTE

R OUT

L OUT

VCC 30V

VCC 5V

S OUT

VCC 9V

STEREO

L

TU101

FSS BTF-WA412

20 25

9V

12V

12V

9V

9V

9V

9V

30V

+B

7.5V

VIDEO

AUDIO

AUDIO AUDIO

AUDIO

AUDIO AUDIO

AUDIO

VIDEO

VIDEO

VIDEO

AUDIO

B

G

R

RG

B

R G B

B

G

R

VIDEO

VIDEO

VIDEO

12V

AUDIO VCC

STBY+5V

7.5V

+13V

+B

+B

+B

12V

+B

SET-5V

+B

STBY+5V

SET-5V

+5V

9V

9V

9V

+B

1

2

3

4

56 7

8

9

10 11 12

13

14

16

15

17 18 19

20

21

AUDIO VCC

STBY+5V

12V

9V

9V

WHEN REPLACING T504 BE SURE TO CHECK THE VOLTAGE VALUE

AT (TP503). REFER TO THE SAFETY ADJUSTMENT SECTION.

AUDIO

AUDIO

AUDIO

R582 SEE PAGES 14 AND 15