Haier HTN20R15 Service Manual Download

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50V-4.7µF

C233

63V-330PF

C232

1/6W-3.9K

R229

63V-1000pF

C231

63V-0.022µF

C228

50V-104

C227

16V-10µF

C230

1/6W-39K

R228

63V-0.01µF

C226

63V-0.01µF

C225

104

C223

472

C221

15K

R226

222

C218

224

C217

224

C216

104

C220

V-

P+

TV/AV

P-

V+

RB01

470

RB02

620

RB03

RB05

1.8K

RB04

1.2K

C240

C239
33

X201
12M

OUT

GND

VCC

HS0038A

RM201

3.3K

R266

100

R210

100

R209

AV1/AV2

R208

1/6W-100

A5-3.3V

B-OUT

G-OUT

IN4148

VD201

R-OUT

CUT-OFF

50V-1uF

C247

IN4148

VD202

63V-150PF

C249

C-SVHS

V-OUT

SYSTEM

H-DRI

A7-8V

H-SYNC

ABL

A5-3.3V

SYSTEM

A7-8V

VD-

HTRYG9208

LD901

180V

HEATER

CUT-OFF

B-OUT

G-OUT

CN503

H-DRI

C402

500V-560pF

T401

AA26-50001B

C419

2KV-681

C413
400V-472

C401

100V-103

VD401

IN4004

B4-16.5V

A2-115V

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 33u

HEATER
B1-185V VIDEO

GT404

C414
104

VD405

TTVR10G

ABL

C411

250V-22uF

B3-18.5V

HEATER

H-OUT

V401

2SD2499

C404

25V-470uF

C802A

MKT61-275V-104

L801

P801

PDC7R0QP6B712

。

L803

LB3.5*6

C805

1kV-1000pF

N801

VFB

VCC

SYNC

C804

63V-3900PF

VD809

IN4148

VD810

TERB4304

VD804

TB1206

C803
63V-0.047µF

C823
332

C801

150uF/400V

T801

PC801
PC817C

C807

2kV-561pF

C808

160V-100UF

VD802

RU3A

A1-33V

A2-110V

C810

500V-560pF

VD805

EU2A

A3-15.7V

VD803

EU2A

C845

500V-560pF

C814

63V-104

DZ803

KA431

A4-10.4V

。

C802

50v-47u

BCK-05E/D

R803

1/2W-390

POWER

R848

1/6W-15K

R943

C219

100u

C222

C224

2.2u

R746

3.3K

R747

3.3K

A3-5V

A6-

C209

C208

A6-5V

C259

223

10K

R279

63V-0.1µF

C242

16V-100µF

C241

16V-22µF

C236

63V-0.1µF

C237

63V-1000pF

C234

100U

C922

16V-100µF

C255

63V-0.022µF

C254

63V-0.1µF

C256

63V-0.1µF

C248

1N4004

L209

63V-0.01µF

C207

1/6W-22K

R274

A5-

3.3V

A7-

STAND BY

TJC-5

CN502

TJC-3

GND

CNB01

TJC3-2Y

CNB02

TJC3-2Y

CN802
TJC1-2Y

DEGUSS

CN801
TJC1-2Y

CN401

TJC-4

160V-1uF

C415

16V-10µF

C250

A3-15.8V

A6-5V

1/6W-4.7K

R241

1/6W-1K

R242

3.3K

R278

3.3K

R222

3.3K

R220

4.7K

R212

4.7K

R211

3.3K

R215

R216

10uH

L202

R840

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-75

R265

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-200

R251

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

R407

1/2W-270

R403

2W-18K

R810

1/2W-1K

R819

1/2W-1.5K

R818

1/2W-39K

R809

1/2W-123K

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-3.3M

R806

1/2W-3.3M

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

LX034

L401

400uH/500uH

KSC815

V804

KSC815

V206

KSC2331-Y

V402

21P-R

21P-G

21P-B

A7-8V

STANDBY

SCL

SDA

HEATER

B1-180V

AV2-VIN

OUT

VIDEO

V-OUT

A0L

A0R

AV1-VIN

AV1-AIN

CN703

AV1-V

AV1-AIN

X01

MUTE

185v

16.5

A6-5V

SDA

SCL

N702 HEF4053

1N4148

VD816

MTZJ4.7B

DZ205

VSS

VDD

PTC
SCL

SDA

N202

24C08

MUTE

CN602

B+

SCL

SDA

AGC

GND

TU101

ENV56DB4G3

16V-10µF

C107

104

C202

C201

10u

KA33V

DZ201

A1-33V

D1510C

SF101

MTZJ9.1B

DZ101

16V-47µF

C108

BF370

V101

1/6W-10

R104

1/6W-13K

R105

1/6W-470

R106

25V-220µF

C102

MTZJ5.1B

DZ102

63V-0.1µF

C101

1/6W-68K

R261

1N4148

VD217

1/6W-9.1K

R260

1/6W-1K

R227

1/6W-9.1K

R262

B4-12V

C214

104

SYSTEM

1W-33

R110

LGA0203-100

L102

SDA

SCL

1/6W-22

R103

SPEAKER

VCC

OUT

GND

VFB

OUT

TDA8357J

N301

1/2W-1

R415

100V-33uF

C304

LGA0305-10uH

L306

MTZJ15C

DZ303

63V-0.047µF

C306

1/2W-1.5

R308

1/2W-10

R302

1/6W-12K

R311

1/6W-270K

R314

1/6W-1.3K

R313

1/6W-1.2K

R312

1/2W-1.3

R305

2W 0.68

R306

1/6W-100K

R303

2W 270

R307*

2W-0.18

R815

1000u

C610

A4-10.4V

VCC

OUT2

GND

OUT2

MUT

GND

VOL

N601

AN7523N

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

C611
63V-4700PF

POWER

VD620

1N4148

A3-15.7V

1/6W-10K

R622

C621

50V-1µF

C620
16V-100µF

ABL

16V-10µF

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-220

R704

1/6W-220

R703

50V-1uF

C722

50V-1uF

C727

A3-15.8

TO CRT

CRT P

CB S

CREEN

B+

BSC25-0283G

T444

AV1/AV2

C811

25V-2200µF

C846

25V-1000µF

。

N703

HEF4052

AV/SVHS

R752

1/6W-10

CVBS/Y

R715

50V-1uF

C706

50V-1uF

C705

1/6W-220

R708

A1L

AV2-

V03

V04

R-OUT

2W-1

Ω

R821

1/6W-1.5K

R861

1/6W-15K

R862

1/6W-10K

R860

2W-36

Ω

R820A

MTZ5.1B

DZ802

KSC815

V806

2SB764(Y)

V805

C819

16V-100µF

C829

16V-100µF

L7809CS

L209

IN4004

A3-14.73V

B4-9V

A6-5V

POWER

N802

A7-8V

MTZJ9.1B

DZ101

C108

16V-47µF

LCL-207

CN501

GT501 1P

GT502 1P

C508

10uF

CRT

A51JXS098X96

1.8K

R534

1.8K

R524

1.8K

R514

R506

33K

R527

2.8

R505

R501

R502

R503

C2688

V531

BF423

V503

C502

330p

270

R536

16K

R531

10K

R512

SCREEN

C510

102K/2KV

C2688

V521

BF423

v522

C503

470Pf

270

R526

12k

R521

390

R523

C2688

V511

BF423

V512

C501

470Pf

270

R516

18K

R511

390

R513

VD504

1N4148

VD505

1N4148

ZD501

BZX79C8V2

R-OUT

B-OUT

G-OUT

220

R522

BF422

V513

220

R512

BF422

V523

BF423

V533

220

R532

C511

100Pf

C509
4.7uf

10M

R550

VD507

TC2406------T

KA5Q0765RTH-YDTU

VD814

PG2010

VD811

PG2010

VD812

PG2010

C410

2kV-471

LB3.5*5

L402

125v

1/2W-120K

R420

C409

1.6KV-752

LGA0203-1µH

L101

63V-1000pF

C110

1/6W-2.2K

Ω

R102

63V-104

C422

63V-0.01µF

C111

1/2W-1

R824

1/6W-12K

w333

50V-1uF

C750

1/6W-100

w236

1/6W-100

w235

39K

R281

39K

R280

50V-2.2µF

C258

A2L

去功放

MTZJ5.1B

DZ259

Z203

4.5MHz

L211

10uH

47u

C252

R250

470

R264

180

R254

100

R252

510

R253

KSC815

V209

KSC815

V208

KSR1010

V211

KSR2010

V210

47u

C257

R257

KSC815

V212

EWD

DEC.BG

PH1.LF

GND3

PH2.LF

DECD/G

SEC.PLL

VSSA

CTL

STAND BY

VSSC/P

VOL

MUTE

SYSTEM

KEY

VP2

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

SDA

SCL

STANDBY

INT.REM

AV/SVHS

AV1/AV2

VDDP

N201

TDA9377

3.3K

R286

STAND BY

1/6W-10

R104

C109

Ly/50µH<R307*<Ly/20µH

低电平有效

高电平有效

+5V

1/6W-220

R817A

调整

可调

?50

　鞯缪梗　稍

/220/330

中选用

2W-39

Ω

R820

1/6W-10K

Ω

R218

1/6W-36K

Ω

R233

15K

R219

50V-1uF

C253

1/6W-470

R256

1/6W-430

R255

332

C229

HTN20R15-circuit diagram

NOTE: Design and specification are subject to change without notice.

VD813

PG2010

Summary of Contents for HTN20R15

Page 1: ...ION SERVICE MANUAL Models HTN20R15 Features I2 C BUS CONTROL AUTO SEARCH 181 PROGRAM PRESETTING AND MEMOREY ON TIME OFF TIME APPOINTING PROGRAMME CCD V CHIP SIDE BACK AUDIO VIDEO INPUT COLOR TELEVISION Model HTN20R15 ...

Page 2: ...ts and Functions 11 7 Remote controller Functions 12 8 Program Diagram 13 9 Maintenance Service and Trouble Shooting 19 10 Circuit Diagram 23 11 Circuit Explanation 26 12 Adjustment 36 13 Exploded View 37 14 List of Parts 38 15 Damageable Parts List 54 16 Information of Resistors and Capacitors 55 CONTENT ...

Page 3: ...5 Slow fading on off 26 Semitransparent menu 27 Non flshing channel changing 28 ZOOM 29 16 9 mode 30 Games 31 Calendar Y 32 Child lock 33 Multi functional lock Y 34 No picture listening Y 35 Background light 36 Auto timer on Y 37 CCD Y 38 SOFTWARE V CHIP Y 序号 FUNCTION 39 NO of built in speakers 1 40 Audio output power W 3W 41 Total power input W 90W 42 Voltage range V 120V 43 Power frequency Hz 60...

Page 4: ... circuitry that might be inadvertently introduced during the service operation If any fuse or Fusible Resistor in this TV receiver is blown replace it with a specified one When replacing a high wattage resistor Oxide Metal Film Resistor over 1W keep the resistor 10mm away from PCB Keep wires away from high voltage or high temperature parts Due to the high vacuum and large surface area of the pictu...

Page 5: ...ture 2 In order to prolong the using life of the TV set please place it on a ventilated place 5 Don t open the back cover otherwise it is possible to damage the components in the TV set and harmyou 3 Don t place the TV set in the sunshine or near heatsource 6 When the TV set isn t going to be used for long time or it is in thunder and lightening please pull out the plug fromAC outlet and the anten...

Page 6: ...ube anode 2 Test high voltage only by measuring it with an appropriate high voltage meter or other voltage measuring device DVM FETVOM etc equipped with a suitable high voltage probe Do not test high voltage by drawing an arc 3 Discharge the picture tube anode only by a first connecting one end of an insulated clip lead to the degaussing or kine aquadag grounding system shield at the point where t...

Page 7: ...n electrical assembly equipped with ES devices place the assembly on a conductive surface such as aluminum foil to prevent electrostatic charge buildup or exposure of the assembly 3 Use only a grounded tip soldering iron to solder or unsolder ES devices 4 Use only an anti static type folder removal device Some solder removal devices not classified as anti static can generate electrical charges suf...

Page 8: ...dering iron tip and solder the strand against the component lead until the solder melts c Quickly move the soldering iron tip to the junction of the component lead and the printed circuit foil and hold it there only until the solder flows onto and around both the component lead and the foil CAUTION Work quickly to avoid overheating the circuit board printed foil d Closely inspect the solder area a...

Page 9: ...ransistor Device Removal Replacement Heat and remove all solder from around the transistor leads Remove the heat sink mounting screw if so equipped Carefully remove the transistor from the heat sink of the circuit board Insert new transistor in the circuit board Solder each transistor lead and clip off excess lead Replace heat sink Diode Removal Replacement Remove defective diode by clipping its l...

Page 10: ...he end of the remaining copper pattern 3 Bend a small U in one end of a small gauge jumper wire and carefully crimp it around the IC pin Solder the IC connection 4 Route the jumper wire along the path of the out away copper pattern and let it overlap the previously scraped end of the good copper pattern Solder the overlapped area and clip off any excess jumper wire At other connections Use the fol...

Page 11: ......

Page 12: ...2 TV AV TV AV selection 3 VOL Decrease sound 4 VOL Increase sound 5 CH Select next lower channel 6 CH Select next higher channel 7 Power Power on off 8 Power Indicator 9 Sensor Windows 1 2 3 4 5 6 7 8 9 MENU TV A V MENU TV AV VOL VOL CH CH AV1 IN AUDIO VIDEO 10 11 10 VIDEO Video input 11 AUDIO Audio input Rear 6 Parts and Functions Parts and Functions ...

Page 13: ... channel 01 125 6 RECALL Return to previous channel 7 Digit selector 8 TV AV Input selection 9 CCD ºCCD selection 10 MUTE Press key to activate deactivate sound 11 P STD Picture preference select button 12 DISPLAY Display receiving channel 13 EXIT ºExit TV menu 6 1 7 8 9 2 3 4 5 0 RECALL TV AV CCD EXIT MUTE P STD DISPLAY MENU CH VOL VOL CH 1 2 3 4 5 6 7 8 9 13 10 11 12 7 Remote Controller Function...

Page 14: ...T key on the Remote control unit for factory used 2 The TEST will be displayed on the screen 3 Press digital key Mkey and corresponding on screen display will be appeared Some time PASSWORD on screen display will be appeared you need to input 828 4 Check the setting value of the SYSTEM default value of Table below If the value is different select items by CH CH keys and set value by VOL VOL keys 5...

Page 15: ...ound output power 2W 10 X ray radiation value 0 1mR Hr 11 Voltage AC 100 130V 12 Energy consumption 90W 13 Net dimensions 616mmX474mmX437mm 14 Net weight 21 5Kg 2 User s instructions Note This TV set has been installed a caption decoder and control to US Federal Communications Commission Customized Power On setup This TV set is designed for customized initiation For detailed information see the Us...

Page 16: ...rease TINT Tint increase Tint decrease 4 Press MENU button again to quit the main MENU SETUP 1 Press SETUP button the main menu will appear on the screen 2 Press CH or CH for LANGUAGE options The designated LANGUAGE will turn bright green 3 Press VOL or VOL for LANGUAGE options such as English Spanish and French 4 Receiving Press VOL button to move the icon to RECEPTION The TV set is preset AIR st...

Page 17: ...ve the icon to SPECIAL and designate C CAPTION Then icon of C CAPTION turns to bright green When OFF is displayed C CAPTION is inactivated while when ON is displayed C CAPTION is activated 3 Press CH to move the icon to CC ON MUTE and the icon will turn bright green Press VOL or VOL button for adjustment of this function When OFF is displayed the item cannot display its function regardless of the ...

Page 18: ...MENU will appear 5 When NO INFO RATING is selected press MENU button for option of UNBLOCK or BLOCK state 6 When NO RATED is selected press MENU button for option of UNBLOCK or BLOCK state 7 When ENTER PASSWARD is selected press MENU button then a dialog box will appear at bottom left corner of the screen and then a 4 digit password can be input Press RATING button again to return to the main menu...

Page 19: ...ar on the screen 2 When BLOCK turns bright red and MENU button is pressed BLOCK will display BLOCK OFF and BLOCK ON Caution BLOCK OFF Indicating lock on status Regardless setup of TV RATING and MPAA RATING even V CHIP signals are received during TV programs this TV set dos not have the V CHIP function BLOCK ON Indicating lock off status When TV RATING and MPAA RATING are selected the TV set will h...

Page 20: ...o see if 9v 5v is normal Check the control voltage of V552 or CPU power The failure of horizontal unit or N101 Normal Normal Normal Abnormal Checktosee103V etc voltageisnormal T esttoseeallterminal Resistanceofload Isnormal Checkswitch powerunit Check to see if rectifying tube is normal Change rectifying tube Check the Loader Abnormal Normal Abnormal Normal Abnormal Normal Abnormal Maintenance Ser...

Page 21: ...mal Abnormal Normal Abnormal Abnormal Normal Normal Abnormal Abnormal Normal Check the voltage of all pins of XP902 is normal Heater Resistor open Check to see if b e voltage of V433 is existed Check the circuit from pin13 of N201 to H drive No raster Whether G2 voltage is normal Replace bad cmponents Check N201 Check N201 and H Vibration Check 12V power circuit Abnormal Normal Maintenance Service...

Page 22: ...ae components There is trouble in V circuit There is trouble in V output circuit Yes No Make R451 open Multimeter is at range RΧ1K Red probe connects to ground Touch No 5 of N401 with black probe Bright line flashes for a moment Horizontal bright line Maintenance Service and Trouble Shooting Check Check the voltage at Pin2 of N401 ...

Page 23: ...f there is snapping sound Power amplifier is normal Check N101 and external SIF circuit Check muting circuit and V601 V602 Check to see if 19V exists Check SIF circuit and speaker Inspect 19V power supply Replace CRT Check ircuit between Pin19 of N201 and XS202 No Yes Change V902 or weld V902 again Check to see if voltages of XP902 are normal Lack of red Check to see if V902 is open or not well we...

Page 24: ...e Sound IF Amplifier Video and audio signal Processing RGB Output Circuits and H V Sync pulse segregation SAW Sound Power Amplifier Main Processor Infrared Receiver Remote Controller ROM Audio Video In Out Horizontal Scan Output Vertical Scan Output CRT Figure 5 ...

Page 25: ...0 V101 1 6W 10 R104 1 6W 13K R105 1 6W 470 R106 25V 220µF C102 MTZJ5 1B DZ102 63V 0 1µF C101 1 6W 68K R261 1N4148 VD217 1 6W 9 1K R260 1 6W 1K R227 1 6W 9 1K R262 B4 12V C214 104 SYSTEM 1W 33 R110 LGA0203 100 L102 SDA SCL 1 6W 22 R103 SPEAKER INPUT INPUT 2 VCC 3 OUT 4 GND 5 VFB 6 OUT 7 VO 8 VI 9 TDA8357J N301 1 2W 1 R415 100V 33uF C304 LGA0305 10uH L306 MTZJ15C DZ303 63V 0 047µF C306 1 2W 1 5 R308...

Page 26: ...PCB Diagram 3 PCB Diagram ...

Page 27: ...cuits 3 AN7522 AN7523 Sound power amplifying integrated circuits A3 Electrical circuit analysis 1 Microprocessor and Small signal processing super monolithic integrated circuits OM8377 OM8377 is super large integrated circuit decoder containing intermediate image amplifying intermediate sound amplifying horizontal and vertical scan small signal processing color decoding hi pressure tracing and ove...

Page 28: ...wtooth capacitor TUNER AGC 27 Tuner AGC output AUDEEM SIFIN1 1 28 Audio deemphasis or SIF input DECSDEM SIFIN2 29 decoupling sound demodulator or SIF input 2 GND2 30 ground 2 for TV processor SNDPLL SIFAGC 1 31 narrow band PLL filter or AGC sound IF AVL SNDIF REF0 AMOUT 1 32 Automatic Volume Levelling sound IF input subcarrier reference output audio deemphasis HOUT 33 horizontal output FBISO 34 fl...

Page 29: ... West output or not and on some software control bits The valid combinations are given in table 1 2 the vertical guard function can be controlled via pin 49 or pin 50 the selection is made by means of the IVG bit in subaddress 2BH TABLE 1 IC version FM PLL version QSS version East West Y N N Y N Y CMB1 CMB0 bits 00 01 10 11 00 01 10 11 00 01 10 11 00 01 10 11 AM bits 0 1 0 1 Pin 20 AVL EWD AVL EWD...

Page 30: ...e AN7523 is pin 1 to 9 AN7522 is pin 1 to 12 TDA8357 Function vertical output Symbol PIN Function Symbol PIN Function INPUT 1 2 INPUT VFB 6 VFB VCC 3 VCC VO 8 VO OUT 4 7 OUT VI 9 VI GND 5 GND 3 Test point Waveforms V401 C 5Vpp 0 9Vpp 1000Vpp H H 1Vpp V H H CRT KB CRT KG CRT KR 95Vpp 95Vpp 95Vpp H H H T801 PIN4 300Vpp 22Vpp H H V401 B 2 7Vpp Function TV AV MENU CH CH VOL VOL Voltage 0 0 4125 0 825 ...

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Summary of Contents for HTN20R15

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Haier HTN20R15, Service Manual

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Summary of Contents for HTN20R15

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