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Hisense LTDN32V86NAM, Service Manual, Page: 43 / 43

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Hisense LTDN32V86NAM Service Manual Download Page 43

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

D

D

C

C

B

B

A

A

PWM

SW

1000u/25v

C843

1000U/25V

C860

100k

R870

NC

1

2

VD855

1

2

3

SRF1560

VD852

1000u/25v

C844

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

XP901

T831

T831

2K4

R908

1

2

3

SRF1560

VD854

10u/350v

C848

2K4

R896

100k

R871

104

C845

360/3W

R833

STB

12V

AUDIO

12V

5VS

STB

AUDIO

1000u/25v

C841

360/3W

R841

100k/2w

R892

100k

R893

100k

R862

100k

R848

100k

R843

DRV

DRV

OVP

PROT

ISEN

VREF

VREF

ISW

ISW

ADIM

PDIM

VREF

PWM

ENA

12V

UVLS

PDIM

ADIM

UVLS

OVP

FAULT

VREF

103

C709

2U2

C712

MUR460

VD702

1R

R705

1R

R701

224

C714

1

1

3

3

10mH

4

4

2

2

L701

2907

V702

8k2

R726

510k

R725

UVLS

1

VCC

2

ENA

3

VREF

4

RT

5

PWM

6

ADIM

7

TIMER

8

ISEN

10

PROT

11

ISW

12

OVP

13

GND

14

DRV

15

FAULT

16

SSTCMP

9

U701

U701

510k

R724

5N50

V701

102

C708

105

C707

330K

R717

510k

R721

39k

R723

224

C713

10K

R718

510k

R722

120V

10R

R702

10R

R704

10R

R703

ISEN

1
2
3
4

XP-04

XP803

LED1-

LED2-

LED1+

LED2+

104/250v

C716

5N50

V703

LED1+

LED2-

PROT

474

C733

120R

R735

10K

R736

1R

R737

1

2

MUR160

VD856

120V

104/250v

C719

1

2

MUR160

VD853

FAULT

474/AC250V

C801

474/AC275V

C803

102/AC250V

C805

102/AC250V

C804

270k

R801

10D561

RV801

t

NTC5D-20

RT801

T6.3A/250VAC

F801

PC817B

N833

1K

R863

1N4148

VD836

103/50V

C835

LCL-2420H

L801

LCL-2420H

L802

102/2KV

C806

474/AC275V

C808

22R

R828

102/2KV

C807

300v

300V

BYC10X-600

VD812

473/50V

C819

330R

R822

104/50V

C816

1M0

R823

18V

VZ812

NC

C815

82K

R816

102

C818

474/50V

C820

10K

R827

10N60

V810

0.22/3W

R820

1N5408

VD811

20K

R826

68R

R819

512

R817

68R

R818

0520

VD815

101/50V

C817

NC

R829

10K

R814

300v

PFC

VCC

PFC

NC

R830

1K0

R864

15K

R865

22K

R868

4K7

R869

1K

R867

474

C849

TL431

N834

270k

R802

270k

R803

47u/50V

C814

0.22/3W

R821

1M0

R824

1M0

R825

1N4148

VD837

1000P/400V

C850

1000P/400V

C851

V

-

4

AC

2

V

+

1

AC

3

10A/600V

VB801

(EMC)

(EMC)

(EMC)

(EMC)

+20V

PFC

+20V

VCC

2222

V905

5VS

RG1C

VD902

FR104

VD903

5R1

R915

2

0

k

R

9

1

7

22R

R921

470K/0.5W

R909

1n/2KV

C902

102

C905

22u/50V

C907

471/50V

C911

22R R920

470u/16V

C914

470u/16V

C915

104/50V

C912

PC817B

N902

1K

R923

1K

R922

10K

R924

10K

R926

1K

R925

474

C904

TL431

N903

NA

R927

NC

C917

474

C909

104

C910

MMSZ18T1G

VZ903

2K

R958

PC817B

N904

1K

R931

4K7

R932

104/50V

C918

L

1

N

2

XP-02

XP801

4u7

L904

7

7

4

4

5

5

2

2

3

3

1

1

10

10

9

9

6

6

T803

SB560

VD905

C

+

1

C

-

2

6

8

u

/4

5

0

V

C

8

2

4

C

+

1

C

-

2

68u/450V

C822

2

2

1

/2

K

V

C854

C

2

B

1

E

3

BCP56-10T1G

C

4

V903

5VS

RDY

2

Z

C

D

5

CS

4

CMP

3

G

N

D

6

INV

1

OUT

7

VCC

8

N830

N830

VCC-LLC

1N4148

VD816

1M

R901

1N4148

VD906

100K

R916

100K

R918

2222

V901

100K

R919

2222

V902

224

C900

104

C908

103

C916

D

4

S

8

NC

3

S

5

S

6

S

7

EN

1

BP/M

2

N975

N975

1M

R911

1M

R912

1M

R913

RM11C

VD904

103/2KV

C901

104

C903

10k

R910

10N60

V811

68R

R813

512

R811

68R

R812

0520

VD813

NA

R902

NA

R903

HVCC

1

CTR

2

HO

3

NC

4

NC

5

AR

6

NC

7

RT

8

CS

9

SG

10

NC

11

LVcc

12

NC

13

LO

14

NC

15

PG

16

NCP1396

N831

103/630V

C842

22R

R842

104/50V

C836

MUR160

VD831

1N4148

VD803

5K1

R858

68R

R857

22R

R856

PFC

10N60

V831

5K1

R805

68R

R860

22R

R859

10N60

V832

1N4148

VD802

2k4

R847

8k2

R846

6k2

R835

10uF/50V

C852

3K

R834

102/50V

C834

0.22/3W

R840

104/50V

C837

4.7uF/25V

C838

VCC-LLC

VCC-LLC

100K

R933

0R0

R876

FB

L803

0R0

R879

680P/50V

C802

0R0

R831

FB

L804

102

C919

20K

R934

10uF/25V

C821

4

3

1

2

5

6

6

L811

2222

V835

5VS

12V

t

NTC5D-20

RT802

NC

C823

0R0 R832

1
2
3
4

XP-04

XP902

12V

18V

VZ831

18V

VZ832

10R

R713

100k/2w

R891

103

C710

330K

R720

10K

R719

SW

ENA

330K

R711

330K

R712

10K

R715

2U2

C711

51K

R716

NC

R727

100p

C703

1K

R714

100p

C730

1k

R734

102

C704

10K

R709

474

C705

330K

R710

104

C706

10R

R708

5K1

R707

NC/1K

R706

80V

350V

10u/350v

C715

10u/350v

C721

NC/220p/1KV

C701

10K

R731

360/3W

R845

NC

R728

10mH

L702

10mH

L703

10mH

L704

10R

R729

100k

R872

100k

R873

Summary of Contents for LTDN32V86NAM

Page 1: ...LCDTelevision Service Manual Chassis MSD309PX Ver 1 0 Hisense Electric Co Ltd March 2011...

Page 2: ...Diagram 13 3 Factory Service OSD Menu and Adjustment 15 3 1 To enter the Factory OSD Menu 15 3 2 Factory OSD Menu 15 4 Software Upgrading 17 4 1 Upgrading with the ISP_TOOL 17 4 2 Upgrading with the U...

Page 3: ...signed for the purpose The special tools should be used when and as recommended It is important to note that this manual contains various CAUTIONS and NOTICES which should be carefully read in order t...

Page 4: ...racteristics may create shock fire or other hazards Under no circumstances should the original design be modified or altered without written permission from Hisense Hisense assumes no liability expres...

Page 5: ...blade exposure To prevent electrical shock match wide blade or plug to wide slot fully insert 1 1 4 When replacement parts are required be sure to use replacement parts specified by the manufacturer...

Page 6: ...wer Continuing to use the product may cause fire or electric shock 5 If the product emits smoke and abnormal smell or makes an abnormal sound immediately turn off the power Continuing to use the produ...

Page 7: ...e safety of the product and the servicing work Be sure to follow these instructions Before starting the work secure a sufficient working space At all times other than when adjusting and checking the p...

Page 8: ...cuit board be sure to remove static electricity from your body before handling the circuit board Be sure to handle the circuit board by holding the large parts as the heat sink or transformer Failure...

Page 9: ...and cables removed for servicing purposes have all been returned to their proper locations in accordance with the original setup The lightning flash with arrowhead symbol within an equilateral triang...

Page 10: ...10 2 Product Specifications 2 1 Specifications 32 Inch 42 Inch NOTE The above Specifications are reference only other models refer to the actual User manual Please...

Page 11: ...11 2 2 Main Board Board 1 Panel have not 120HZ refurbish ratio Main IC MSD309PX L V D S Y PB PR L R VGA PC Audio IN Cable HDMI Headphone HDMI S Video AV1 Air USB AV2 AV OUT Coaxial...

Page 12: ...12 Board 2 Panel have 120HZ refurbish ratio Note The above Main board images are reference only different models refer to the actual units to determine the boards LVDS Board 120HZ...

Page 13: ...13 2 3 Wiring Diagram LTDN32V68NAM 14 pin 5 pin 14 pin Note The above Wiring Diagram is reference only different models refer to the actual units to determine the connectors...

Page 14: ...DV1 JK ROH HX2 2X20KLB300P LG 4 ROH NO LTDN32V88NAM T315HW04VD JK ROH HX2 2X20KLB350 CMO 1 ROH NO LTDN42V86NAM HC420EF E01 ROH HX2 2X20KLB600P LG 2 ROH NO FFC 521 51P 2A ROH LTDN40K26GAM LTA400HF24 JK...

Page 15: ...te Note 1 In the Factory Menu item Function TOFAC you can select M or U default is U M Means you can enter factory mode with factory RC or user RC U Means you can enter factory mode only with user s R...

Page 16: ...Picture Mode Audio Mode Picture Curve Audio Curve SSC Adjust Saving Mode Overscan Not Stand Factory Menu White Balance Auto Calibrate Function Init Test Pattern Function TOFAC M or U Power Mode Save S...

Page 17: ...rd to the TV use VGA interface or the RS232 4 pin the other USB port to the compute 4 1 2 Install the ISP_TOOL4 5 0 4 only for the first time update 1 The software is upgraded by a burning tool ISP_TO...

Page 18: ...dialog window will show as below 4 Click the Config button And then a dialog window will show as below Draw on the front of Use USB Port Type setting is USB Base Addr setting is 0x38C ISP Slave Addre...

Page 19: ...evice Type maybe different If appear the following figure It indicates that the ISP_TOOL has not connected Please click the DisCon button and Connect button to connect 6 Click the Read button Choose t...

Page 20: ...20 8 Click the Run button and wait update end If show any error message then do Dis Con Connect and click the Run button again till show the following dialog window...

Page 21: ...K it will show a confirm message box Press button to select yes in the confirm message box to start automatic update 5 Then it will update the software automatically Please don t power off during the...

Page 22: ...tb by N2 It s standby power supply for main IC N7 Keyboard Remote board Flash N11 and HDMI CEC c 12V supplies for Amplifier N17 R2A15120FA d 5VAIN supplies for main IC Headphone and USB e 3 3VA is con...

Page 23: ...r 5V stb 1117 3 3 N2 3 3Vstb Flash Remote Keyboard N11 N7 5VAIN 1084 ADJ N6 1 8VA MP1482 N3 1 32V 1117M3ADJ N5 2 5VA 1117 3 3A N4 3 3VA 24C04 N8 N9 24C32 EEPROM MSD309PX AP2172SG N15 5V USB 1117A 3 3A...

Page 24: ...24 5 2 Image and signal process...

Page 25: ...emote Control Remote control does not work Try new batteries Replace RC Check IR receiver Change Led IR board Change Led IR cable Replace main board Replace battery Replace remote control Replace Led...

Page 26: ...ng for Function Key Buttons does not work Check switches Check key board Check Key BD cable Change Key BD Replace main board Check solder connections and see if any switches are stuck Replace Key BD O...

Page 27: ...er on Is LED light NO YES Check Power Output YES NO Check Power Cord Only one works Replace Main BD Try Power on by RC and Button Neither works Both Work Power on OK YES NO Replace Power BD YES NO RED...

Page 28: ...Troubleshooting for Audio No sound Check connecter Check speaker wire Replace main board Reconnect Replace speaker wire YES YES NO NO Check speaker set Replace speaker set YES NO OK YES NO Power Supp...

Page 29: ...5 Troubleshooting for TV VGA HDMI input No picture on the screen Check Signal Source Check connect Check cable Replace main board Make sure signal source is available Reconnect Replace cable NO YES YE...

Page 30: ...6 Troubleshooting for YPbPr input No picture on the screen Check Source work or not Check connect Check Wires Green Blue Red Replace main board Check Source Device Reconnect Replace wires NO YES YES N...

Page 31: ...7 Troubleshooting for Video input No picture on the screen Check Source work or not Check connect Check Cable Wires Replace main board Check Signal Source Reconnect Replace Cable Wires NO YES YES NO...

Page 32: ...32 6 Schematic circuit diagram 7 Explode View...

Page 33: ...16V C288 2 2u 10V C288 2 2u 10V C57 100n 16V C57 100n 16V C12 100n 16V C12 100n 16V C7 2 2u 10V C7 2 2u 10V R23 0R NC R23 0R NC C1 100n 16V C1 100n 16V C46 100n 16V C46 100n 16V R5 10k R5 10k R2 10k...

Page 34: ...0V C84 39p 50V C67 10u 16V C67 10u 16V R59 0R NC R59 0R NC R70 0R NC R70 0R NC R118 22R R118 22R R112 10k R112 10k R67 0R NC R67 0R NC M4 MARK M4 MARK R94 4 7k R94 4 7k R128 10k R128 10k R116 10k R116...

Page 35: ...22R 1 8 2 3 4 5 7 6 C94 10n 50V C94 10n 50V RP12 75R RP12 75R 1 8 2 3 4 5 7 6 RP32 75R RP32 75R 1 8 2 3 4 5 7 6 R134 10k R134 10k RP29 22R RP29 22R 1 8 2 3 4 5 7 6 RP13 22R RP13 22R 1 8 2 3 4 5 7 6 R...

Page 36: ...14 SCL 15 SDA 16 CEC GND 17 5V 18 HPDET 19 GND2 20 GND3 22 GND1 21 GND4 23 GND5 24 RV13 ASES12U020R2 RV13 ASES12U020R2 RV28 ASES12U020R2 RV28 ASES12U020R2 R143 10R R143 10R R147 10R R147 10R V13 MMBT...

Page 37: ...139 200p 50V R256 10k R256 10k R272 100R R272 100R C122 47n 16V C122 47n 16V RV51 AVLC18S02015 RV51 AVLC18S02015 R246 33R R246 33R RV41 AVLC18S02015 RV41 AVLC18S02015 R254 33R R254 33R C145 200p 50V C...

Page 38: ...December 22 2010 R278 10k R278 10k XS15A XS15A VCC 1 D 2 D 3 GND 4 GND 10 GND 11 R276 5 1R R276 5 1R R280 10k R280 10k RV72 ASES12U020R2 RV72 ASES12U020R2 R277 5 1R R277 5 1R L12 STPB3216 121PT NC L12...

Page 39: ...24 47R R395 0R R395 0R C189 470n 50V C189 470n 50V N17 R2A15120FA N17 R2A15120FA VSA1 1 STBYL 2 INA1 4 MUTEL 3 INB1 5 GND 6 AVCC 7 INB2 8 INA2 9 VREF 10 PROT 11 VSA2 12 OUTA2_1 13 OUTA2_2 14 VDA2 15 V...

Page 40: ...6 18p 50V C246 18p 50V L23 BLM18PG121SN1 L23 BLM18PG121SN1 C225 100u 16V C225 100u 16V C231 100n 16V C231 100n 16V C226 100n 16V C226 100n 16V R356 10k NC R356 10k NC C212 100n 16V C212 100n 16V C209...

Page 41: ...17 Audio 18 SIF 19 IF 20 IF 21 R401 220R R401 220R R394 10k R394 10k R405 0R R405 0R C267 100n 16V C267 100n 16V C266 100u 16V NC C266 100u 16V NC C281 100n 16V C281 100n 16V L32 BLM18PG121SN1 L32 BLM...

Page 42: ...17 1 2 1 2V_Demod 1117 3 3 3 3Vstb 5Vstb 7805 5V_TUNER 12V AO3401 12V VCC PANEL Title Size Document Number Rev Date Sheet of Doc RevCode Title B 10 10 Tuesday November 09 2010 Title Size Document Numb...

Page 43: ...P0R90301 P0R92602 P0R92702 P0R93201 P0T80309 P0T803010 P0T831011 P0T831012 P0U701014 P0V70203 P0V90502 P0XP90103 P0XP90104 P0XP90107 P0XP90108 P0XP901013 P0XP90203 P0XP90204 P0C80401 P0C80502 P0C8060...

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