background image

50V-4.7

μ

F

C233

63V-330PF

C232

1/6W-3.9K

R229

63V-1000pF

C231

63V-0.022

μ

F

C228

50V-104

C227

16V-10

μ

F

C230

1/6W-39K

R228

63V-0.01

μ

F

C226

63V-0.01

μ

F

C225

104

C223

472

C221

15K

R226

222

C218

224

C217

224

C216

104

C220

V-

P+

TV/AV

P-

V+

MENU

RB01

470

RB02

620

RB03
1K

RB05
1.8K

RB04
1.2K

C240

33

C239

33

X201

12M

O

U

T

G

N

D

V

C

C

HS0038A

RM201

3.3K

R266

100

R210

100

R209

R208

1/6W-100

A5-3.3V

B-OUT

G-OUT

IN4148

VD201

R-OUT

CUT-OFF

50V-1uF

C247

50V-1uF

C253

IN4148

VD202

63V-150PF

C249

BL

C-SVHS

V-OUT

H-DRI

A7-8V

H-SYNC

ABL

A5-3.3V

SYSTEM

A7-8V

V

D

-N

V

D

-P

HTRYG9208

LD901

180V

HEATER

CUT-OFF

B-OUT

G-OUT

3

2

1

CN503

H-DRI

C402

500V-560pF

T401
AA26

C430

1.6KV-622

C401

100V-103

VD401
IN4004

B4-16.5V

A2-126V

H-SYNC

VD-N

VD-P

VD402
IN4004

C422
104

VD404
T1R5GU41

C403

500V-470pF

 

C303

35V-100uF

DZ301

MTZJ22A

VD406

TR5GU41

C416

400V-364

DZ402
MTZJ5.1B

VD403
TC2406

C417

500V-470pF

C418

100V 10u

HEATER

B1-183V VIDEO

GT404

C414
104

VD405

TTVR10G

ABL

C411

250V-22uF

B3-18.5V

HEATER

H-OUT

V401

FJAF6810D

C404

25V-470uF

C802A

MKT61-275V-104

L801

P802

PTH451C7R0Q21

L803

LB3.5*6

C805

1kV-1000pF

N801

VFB

VCC

4

3

5

1

2

SYNC

C804

63V-3900PF

VD809
IN4148

VD810
TERB4304

VD804
TB1206

C803
63V-0.047

μ

F

C823
332

C801

220uF/200V

T801

4

8

9

10

12

14

15

16

17

1

 

 

PC801

PC817C

C807

2kV-561pF

C808

160V-100UF

VD802

T1R5GU41-12.5-M

A1-33V

A2-125V

C810

500V-560pF

VD805
T1R5GU41

A3-14V

VD803

T1R5GU41

C845

500V-560pF

C814

63V-104

DZ803
KA431

A4-10.4V

C802
50v-47u

BCK-05E

R803

1/2W-390

POWER

R848
1/6W-15K

47

R943

C219
100u

C222
1u

C224
2.2u

1

2

3

4

5

6

7

8

16

9

10

11

12

13

14

15

R746

3.3K

16

9

10

11

12

R747

3.3K

13

14

15

A3-5V

A

6

-5

V

C209

56

56

C208

 

 

A6-5V

A6-5V

C259

223

10K

R279

63V-0.1

μ

F

C242

16V-100

μ

F

C241

16V-22

μ

F

C236

63V-0.1

μ

F

C237

63V-1000pF

C234

100U

C922

16V-100

μ

F

C255

63V-0.022

μ

F

C254

63V-0.1

μ

F

C256

63V-0.1

μ

F

C248

1N4004

L209

1/6W-47

R250

 

 

63V-0.01

μ

F

C207

1/6W-22K

R274

 

A

5

-3

.3

V

A

7

-8

V

ST-BY

TJC-5

CN502
TJC-3

GND

CN802

TJC1-2Y

DEGUSS

CN801
TJC1-3Y

CN401
TJC-4

160V-1uF

C415

16V-10

μ

F

C250

A3-15.8V

A6-5V

1/6W-4.7K

R241

1/6W-1K

R242

 

 

16V-47

μ

F

C257

3.3K

R278

3.3K

R222

3.3K

R220

3.3K

R212

3.3K

R211

3.3K

R215

47

R216

10uH

L202

1/6W-510

R840

1/6W-1K

R841

1/6W-100

R230

1/6W-100

R236

1/6W-100

R235

1/6W-100

R237

1/6W-33K

R273

1/6W-1K

R238

1/6W-6.8K

R248

1/6W-20K

R249

1/6W-470

R256

1/6W-390

R244

1/6W-270K

R275

1/6W-100K

R259

1/6W-27K

R276

1/6W-100

R245

1/6W-200

R263

1/6W-8.2K

R246

1/6W-3.3K

R247

1/6W-430

R255

1/6W-47

R257

1/6W-1K

W265

1/6W-75

R258*

 

1/6W-75

R718

1W-3.9K

R407

2W-1K

R414

2W-7.5K

R413

1/2W-0.22

R409

1/2W-33

R408

1/2W-0.39

R407A

1/2W-270

R403

2W-18K

R810

1/2W-1K

R819

1/2W-1.5K

R818

1/2W-39K

R809

1/2W-127K

R816

1/2W-2.49K

R817

1/6W-15K

R847

1/6W-10K

R849

1/6W-10K

R214

1/6W-6.2K

R213

1/2W-12M

R807

1/2W-3.3M

Rx801

33K

R801

33K

R802

1/2W-470K

R822

1/2W-470K

R823

MF72-2-5

Ω±

N

RP801

1/2W-600

R805

250V/3.15A
F801

LGA0203-100

L208

LGA0203-100

L207

LGA0203-100

L206

AC0031TL

L401

102

L402

KSC815

V804

KSC815

V206

KSC815

V212

KSC2331-Y

V402

21P-R

21P-G

21P-B

A7-8V

STANDBY

SCL

SDA

HEATER
B1-180V

 

AV2-VIN

VIDEO

AV1-VIN AV1-AL AV1-AR

Y C

CNS01

CN703

102

CS01

75

RS01

Y-SVHS

C-SVHS

AV1-V

AV1-AR

AV1-AL

CNS02

75

RS03

100

RS02

1

2

MUTE

1

4

5

8

1

2

3

4

183v

16.2

A6-5V

 

SDA

SCL

N702 HEF4053

 

 

V1

V2

H2

H1

1N4148

VD816

MTZJ4.7B

DZ205

Wp
NC

A2

VSS

VDD
PTC
SCL
SDA

N202

24C08

MUTE

CN603

CN604

B+

SCL

SDA

AGC

9

GND

BT

11

IF

10

8

3

1

5

4

6

7

2

TU101

ET-5A5E-AF108AT

16V-10

μ

F

C107

104

C202

C201

10u

MTZJ30D

DZ201

A1-33V

D1510C

SF101

 

 

BF370

V101

1/6W-10

R104

1/6W-13K

R105

1/6W-470

R106

25V-220

μ

F

C102

MTZJ5.1B

DZ102

63V-0.1

μ

F

C101

1/6W-68K

R261

1N4148

VD217

1/6W-9.1K

R260

1/6W-1K

R227

1/6W-9.1K

R262

B4-9V

C214

104

SYSTEM

1W-33

R110

LGA0203-100

L102

SDA
SCL

1/6W-22

R103

SPEAKER

SPEAKER

IN

P

U

T

IN

P

U

T

2

V

C

C

3

O

U

T

4

G

N

D

5

V

F

B

6

O

U

T

7

V

O

8

V

I

9

TDA8359J

N301

1/2W-1

R415

100V-33uF

C304

LGA0305-10uH

L306

MTZJ15C

DZ303

63V-0.047

μ

F

C306

1/2W-1.5

R308

1/2W-10

R302

1/6W-12K

R311

1/6W-270K

R314

1/6W-1.8K

R313

1/6W-1.8K

R312

1/2W-1

R305

2W 0.68

R306

1/6W-100K

R303

2W 220

R307

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EWD

DEC.BG

PH1.LF

GND3

PH2.LF

DECD/G

SEC.PLL

VSSA

CTL

BAND

VSSC/P

VOL

MUTE

SYSTEM

KEY

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

47

48

49

50

51

52

53

54

55

56

57

58

59

60

VP2

 

46

23

24

25

26

27

28

29

30

31

32

45

33

34

39

40

41

42

35

36

37

38

43

44

H.OUT

F.B.L.SO

AUO.EXT

EHTO

PLL.IF

IF.VO/SVO

VP1

CVPS.INT

GND1

CVBS/Y

CHROMA

AUD.OUT

V.DRB

V.BRA

IF.IN1

IF.IN2

I.REF

V.S.C.

AGC

AV.DEEM

DECS.DEM

GND2

SND.PLL

AVL

RESET

XTAL.OUT

XTAL.IN

OSC.GND

VDD.C

VPE

B.OUT

G.OUT

INSS.W2(BL)

R.OUT

BLK.IN

BCL.IN

B2/U.IN

G2/Y.IN

R2/V.IN

VDD.A

 

 

 

 

VT

SDA

SCL

STANDBY

1

2

3

4

61

62

63

64

INT.REM

AV/SVHS

AV1/AV2

VDDP

OM8378

N201

0.18

R815

1000u

C610

A4-10.4V

V

C

C

1

O

U

T

2

2

G

N

D

3

O

U

T

2

4

M

U

T

E

5

IN

P

U

T

6

G

N

D

7

IN

P

U

T

8

V

O

L

9

O

U

T

1

1

0

G

N

D

1

1

O

U

T

1

1

2

N601

AN7522N

KSA539

V622

KSC815

V621

KSA539

v620

1/6W-4.7K

R623

1/6W-33K

R621

1/6W-10K

R620

W610

1/6W-56K

C612

50V-1uF

C604

50V-1uF

C611

63V-0.01

μ

F

C603
63V-0.01

μ

F

POWER

VD620
1N4148

A3-14V

10K

R622

C621

50V-1

μ

F

C620

16V-100

μ

F

1/2W-68

R416

ABL

16V-10

μ

F

C246

1/6W-1K

R243

V213

KSC815

1/6W-100K

R277

R262*
1/6W-4.7K

C740

1UF

50V-1uF

C725

1/6W-220

R707

A1R

v04

v03

VOL

1/6W-5.6K

Ω

R605

1/6W-5.6K

Ω

R606

1/6W-5.6K

Ω

R611

1/6W-5.6K

Ω

R610

1/6W-220

R704

1/6W-220

R703

50V-1uF

C722

50V-1uF

C727

A3-15.8

FO

SC

HV

TO  CRT

TO  CRT  PCB  SCREEN  &  FOCUS  

8

9

6

7

1

4

5

3

10

11

B+

SC

FO

HV

46

BSC24-01N4021D(BSC2-01)

T444

AV1/AV2

C811

25V-2200

μ

F

C846

25V-1000

μ

F

 

1

2

3

4

5

6

7

8

16

9

10

11

12

15

16

9

10

11

12

13

14

15

N703

HEF4052

CVBS/Y

CVBS/Y

75

R715

50V-1uF

C705

1/6W-220

R708

A1L

A

V

2

-L

A

V

2

-R

V03

V04

SL

SR

R-OUT

2W-1

Ω

R821

1/6W-1.5K

R861

1/6W-15K

R862

1/6W-10K

R860

2W-24

Ω

R820

KSC815

V806

2SB764(Y)

V805

C829

16V-100

μ

F

L7809CS

L209

IN4004

A3-14V

B4-9V

A6-5V

POWER

N802

A7-8V

MTZJ9.1B

DZ101

 
 

C108

16V-47

μ

F

LCL-207

CN501

GT501  1P

GT502  1P

5

6

7

8

FO

SC

HV

C508
10uF

CRT

64SX505Y22-DC02

1.8K

R534

1.8K

R524

1.8K

R514

68

R506

33K

R527

2W-4.7

R505

47

R501H

47

R502

47

R503

BF420

V531

BF420

V523

C502

330p

270

R536

18K

R531

1/6W-220

Ω

R512

SCREEN

C510
102K/2KV

BF420

V521

BF421

v522

C503

470Pf

270

R526

18k

R521

390

R523

BF420

V511

BF421

V512

C501

470Pf

270

R516

18K

R511

390

R513

VD504

1N4148

VD505

1N4148

DZ501

BZX79C8V2

R-OUT

B-OUT

G-OUT

G

220

R522

B

BF420

V513

220

R512

BF420

V523

BF420

V533

220

R532

C511

100Pf

R

C509
4.7uf

10M

R550

VD507

TC2406------T

G1

KA5Q0765RTH-YDTU

C431

400V-223

LB3.5*5

L402

125v

1/2W-100K

R420

C410

2KV-470pF

NC

LGA0203-0.47

μ

H

L101

63V-1000pF

C110

1/6W-2.2K

Ω

R102

63V-104

C422

63V-0.01

μ

F

C111

1/2W-1

Ω

R824

1/6W-1.5K

R310

50V-1uF

C750

1/6W-100

W236

1/6W-100

W235

39K

R281

39K

R280

YS

V2

A2L

SL

去 功 放

去 功 放

MTZJ5.1B

DZ259

1uH

L203

E

W
-D

R

I

2.7K

R402

DZ401

MTZJ8.2B

120

R404A

52.6k

R401A

C403A

160V-22uF

V403

FQPF630

C419

2kV-681pF

C413
400V-472

MD701A

MD702A

IF  IN

9V

SCL SDA

FM IN

R.OUT

L.OUT

+

CD42
2.2uF

RD25

2.2K

CD26
0.022uF

ZD03

500KHz

RD25 100

RD20
150

+

CD37 2.2uF

RD21

8.2K

CD28

0.47uF

+

CD22
4.7uF

RD22 100

LD02
10UH

CD41 0.1uF

CD38

0.015uF

CD20
0.047uF

CD21

0.1uF

CD29
0.22uF

+

CD23

10uF

VEO

1

VEI

2

Cnr

3

Cm

4

Cdec

5

AGND

6

DGND

7

SDA

8

SCL

9

VCC

10

COMP

11

Vcap

12

Cp1

13

Cp2

14

Cph

15

Cadj

16

CER

17

Cmo

18

Css

19

Cr

20

OUTR

21

Csde

22

SAP

23

Vref

24

Cl

25

Cnd

26

OUTL

27

MAD

28

Ctw

29

Cts

30

Cw

31

Cs

32

ND02
TDA9850

+

CD30
10uF

+ CD32

4.7uF

+

CD27 100uF

+

CD25
22uF

+

CD31 4.7uF

+

CD35 4.7uF

+

CD36 2.2uF

+

CD39

100uF

+

CD40
2.2uF

+

CD46

10uF

+

CD45 10uF

+

CD47
1uF

+

CD48

1uF

CSB503F58

+

CD33
10uF

 

 

MD701

MD702

R-IN

L-IN

R-IN

L-IN

FM-OUT

FM-OUT

SCL SDA

2W-150

Ω

R404

C5-9V

C5-9V

N808
L7805CS

1/6W-75

R817A

XS4

2W-24

Ω

RR

2W-24

Ω

RL

DZN

MTZJ9.1B

C426

16V-100

μ

F

63V-1000

μ

F

C420

1/6W-100

R719

STANDBY

STANDBY(power)

STANDBY(power)

3.3K

R286

A6-5V

EW-DRI

15K

R219

10K

R218

C238

1u

43K

R233

C819

16V-100

μ

F

KSC815

V801

1/6W-220

R843

C842

16V-10

μ

F

MTZJ3.9B

DZ808

C841

16V-100

μ

F

A5-3.3V

C409

1.6KV-752

B4-12V

 

1010

V803

RLP1

LK1aF-12V

1N4148

VD815

3.3k

R845

KSC815

V802

 

MTZJ9.1B

DZ807

3.3k

R846

1N4148

VD817

R851
33K

C830
220u

degauss

Z203

4.5MHz

L211
10uH

47u

C252

470

R264

180

R254

510

R253

KSC815

V209

VOL

PIN 42

AV1/AV2

AV1

AV2

S

TV

0

1

0

1

0

0

1

1

CUT-OFF

VD811

1N4004

VD812
1N4004

VD813

1N4004

VD814

1N4004

63V-0.01

μ

F

C305

63V-0.1

μ

F

C311

102

C405

POWER OFF MUTE circuit

1/6W-10

R752

1/6W-10

R742

FM 

F

M

F

M

FM

Summary of Contents for 21FA11-AM

Page 1: ...SERVICE MANUAL Colour Television Haier model 21FA11 AM Customer model HTAF21S CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE CORRECTLY BEFORE OFFERING SERVICE ...

Page 2: ...cement of memory IC 5 4 Service adjustment 5 5 ICs functional description 8 6 Test point waveform 10 7 All ICs voltages 10 8 Purity convergence adjustment 11 CONTENTS 1 Safety precautions 3 2 TV block dia g ram 4 ...

Page 3: ...not check high voltage by drawing an arc Use a high voltage meter or a high voltage probe with a VTVM Discharge the picture tube before attempting meter connection by connecting a clip lead to the ground frame and connecting the other end of the lead through a 10kΩ 2W resistor to the anode button 8 When service is required observe the original lead dress Extra precaution should be given to assure ...

Page 4: ... 4 2 Block diagram TDA8378PS N2 series with mono intercarrier sound demodulator ...

Page 5: ...data adjustment of corresponding factory menus Press EXIT key to exit factory mode Focus adjustment 1 Receive a crosshatch signal 2 While watching the screen adjust the FOCUS VR on the FBT to make the vertical and horizontal lines as fine and sharp as possible Geometrical adjustment Receive PAL standard complete pattern signal Adjustment steps a Adjust VSL to the centre horizontal line just appear...

Page 6: ...t 0 A 0BRI Listen Brightness 0 A 0COL Listen Colour 50 A 0SHP Listen Sharpness 50 A 1CON Soft Contrast 45 A 1BRI Soft Brightness 45 A 1COL Soft Colour 50 A 1SHP Soft Sharpness 50 A 6 Picture preset 2 2CON Standard Contrast 75 A 2BRI Standard Brightness 50 A 2COL Standard Colour 50 A 2SHP Standard Sharpness 60 A 3CON Dynamic Contrast 85 A 3BRI Dynamic Brightness 60 A 3COL Dynamic Colour 60 A 3SHP D...

Page 7: ...on Description Preset Remark Bit 6 HALFTONE 1 Enable 1 EA Bit 5 IDENT_SENSITIVE 1 EA Bit 4 HCO 1 Enable 0 EA Bit 3 LOGO 1 EA Bit 2 TILT 0 EA Bit 1 SPANISH 1 EA Bit 0 ROMANIA 0 EA 5 OP5 Bit Function Description Preset Remark Bit 7 STORE_AV 1 Enable 1 EA Bit 6 OSO 1 Enable 0 EA Bit 5 SOFR_CHANGE 1 Enable 0 EA Bit 4 FADE 1 Enable 0 EA Bit 3 SOUND_M 1 Enable 0 EA Bit 2 SOUND_I 1 Enable 0 EA Bit 1 SOUN...

Page 8: ... DESCRIPTION STAND BY output 1 In STAND BY mode low level Power OFF For Power ON this pin will be high SCL 2 I2 C bus clock line SDA 3 I2 C bus data line TUNING 4 tuning Voltage Vt PWM output KEY 5 Control keys input SYSTEM 6 TV system control VOL 7 Sound Volume control PWM output MUTE 8 Sound mute output VSSC P 9 Digit ground for μ controller core and periphery CTL 10 DVD power control STANDBY 11...

Page 9: ... B input U B Y input PB input BCLIN 49 Beam current limiter input BLKIN 50 Black current input RO 51 Red output GO 52 Green output BO 53 Blue output VDDA 54 Analog supply of Closed Caption decoder and digital supply of TV processor 3 3 V VPE 55 Ground VDDC 56 Digital supply to core 3 3 V OSCGND 57 Oscillator ground supply XTALIN 58 Crystal oscillator input XTALOUT 59 Crystal oscillator output RESE...

Page 10: ...al output V FEEDBACK 9 Vertical feedback GND 5 Ground 5 U101 Tuner PIN Function PIN Function 1 AGC 7 5V 2 vacant 8 vacant 3 Gnd 9 Vt 33V 4 SCL 10 Gnd 5 SDA 11 IF Out 6 5V 6 Test point Waveforms 7 IC voltages 5Vpp 0 9Vpp 1 3Vpp H H 1Vpp V CRT KB CRT KG CRT KR 95Vpp 95Vpp 95Vpp H H H TDA8378IN53 2 5Vpp 2 5Vpp 3 8Vpp H H H TDA8378N52 TDA8378IN51 TDA8378IN33 TDA8378IN34 0 8Vpp V TDA8378IN21 TDA8378IN2...

Page 11: ... 38 39 40 41 42 43 44 45 46 47 48 V 0 5 0 3 0 1 7 2 4 3 4 8 3 9 0 3 3 0 3 6 1 4 2 5 2 5 2 5 PIN 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 V 1 9 5 0 2 4 2 4 2 4 3 1 0 3 2 0 1 8 1 7 0 3 2 5 1 3 3 5 TDA8357 PIN 1 2 3 4 5 6 7 8 9 V 0 8 0 7 16 6 9 0 43 7 2 0 3 7 2 AN 7522N PIN 1 2 3 4 5 6 7 8 9 10 11 12 V 10 4 4 0 4 4 2 75 1 4 0 1 4 0 35 4 4 0 4 4 24C08 PCF8598 PIN 1 2 3 4 5 6 7 8 V 0 0 5 1 0 3 2...

Page 12: ...the screen Fig 3 8 Move the deflection yoke forward and fix the position of the deflection yoke so that the whole screen will become green 9 Insert the wedge to the top side of the deflection yoke so that it will not move 10 Input a crosshatch signal 11 Verify that the screen is horizontal 12 Input red and blue raster signals and make sure that purity is properly adjusted CRT WEDGE DEFLECTION YOKE...

Page 13: ...t convergence DYNAMIC CONVERGENCE ADJUSTMENT 1 Move the deflection yoke up and down and overlap lines in the periphery Fig 2 2 Move the deflection yoke left to right and overlap the lines in the periphery Fig 3 3 Repeat 1 and 2 above and make the best convergence After adjustment fix the wedge at the original position Fasten the retainer screw of the deflection yoke Fix the 6 magnets with glue FRO...

Page 14: ...6W 100K R303 2W 220 R307 EWD DEC BG PH1 LF GND3 PH2 LF DECD G SEC PLL VSSA CTL BAND VSSC P VOL MUTE SYSTEM KEY 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 47 48 49 50 51 52 53 54 55 56 57 58 59 60 VP2 46 23 24 25 26 27 28 29 30 31 32 45 33 34 39 40 41 42 35 36 37 38 43 44 H OUT F B L SO AUO EXT EHTO PLL IF IF VO SVO VP1 CVPS INT GND1 CVBS Y CHROMA AUD OUT V DRB V BRA IF IN1 IF IN2 I REF V S C...

Page 15: ...14 Sincere Forever ...

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