Hisense LTDN32V86NAM Service Manual Download Page 39

Page: 39 / 43

AUDIO pre-ap

Near MST.IC

Ground in the middle of the L/R

放大倍数

=R310/R321

放大倍数

=R330/R335

Power Ampifier

MUTE Function

HEADPHONE

注意：

PGND

与

AGND

在功放

PIN6

脚附近接地，并且尽量靠近

PIN6

脚

0: Normal
1:
Shutdown

Power On Mute

Power Off Mute

MUTE

CLOSED TO MSD309

CLOSED TO MSD309,GROUND IN THE MIDDLE OF THE L/R

VCC-OP2

EARPHONE_ROUT

EARPHONE_LOUT

L+

AMP-RIN

L-

AMP-LIN

MUTEL

R+

R-

PWD_MT

MUTE_AMP

PWD_MT

-IN1_4558

-IN2_4558

AMP-LIN

AMP-RIN

OP_VCC1

-IN2_4558

-IN1_4558

AUOUTL0

AUOUTR0

MUTEL

+12V

PGND

VCC-A

PGND

5VAIN

PGND

5VAIN

PGND

5VAIN

VCC-A

5VAIN

+12V

VCC-A

5VAIN

+12V

OP_VCC1

6VBuf1

LINEOUTL 5

LINEOUTR

AUOUTR1

AUOUTL1

EARPHONE_ROUT

EARPHONE_LOUT

MUTE_AMP

AUOUTL0

AUOUTR0

Title

Size

Document Number

Rev

Date:

Sheet

深圳市高新区南区科技南十路国际技术创新研究院

座

楼

TEL:0755-26996895 FAX:0755-26996830

1.0

AUDIO

Thursday, December 30, 2010

Title

Size

Document Number

Rev

Date:

Sheet

深圳市高新区南区科技南十路国际技术创新研究院

座

楼

TEL:0755-26996895 FAX:0755-26996830

1.0

AUDIO

Thursday, December 30, 2010

Title

Size

Document Number

Rev

Date:

Sheet

深圳市高新区南区科技南十路国际技术创新研究院

座

楼

TEL:0755-26996895 FAX:0755-26996830

1.0

AUDIO

Thursday, December 30, 2010

C165

470n/50V

C165

470n/50V

R296

120k

R296

120k

C163

100p/50V

C163

100p/50V

C180
220u/25V

R329
4.7k

R325

47k

R325

47k

R301

47k

R301

47k

R291

33k

R291

33k

VD4

BZT52C

10 /

VD4

BZT52C

10 /

R304

C176

1u/16V

C176

1u/16V

C193

100n/16V

C193

100n/16V

L18

22.0 uH

L18

22.0 uH

C167 470n/50V

VD8

1N4148W

VD8

1N4148W

R287

39k

R287

39k

C175

1u/16V

C175

1u/16V

C166

470n/50V

C166

470n/50V

VD7

BZT52C

10 /

VD7

BZT52C

10 /

V20

MMBT3904LT1

V20

MMBT3904LT1

R322
1k

VD3

1N4148W

VD3

1N4148W

C185

10u/16V

C185

10u/16V

R328

L16

10.0 uH

L16

10.0 uH

R298

C199 100u/16V

XP8

1
2
3
4

C186

470n/50V

C186

470n/50V

R303

VD9

1N4148W

VD9

1N4148W

C174

470n/50V

C174

470n/50V

R288
47k

R315
1k/NC

L15

22.0 uH

L15

22.0 uH

C204

200p/50V

C204

200p/50V

R312

C196

10u/16V

C196

10u/16V

C201

10u/16V/NC

C201

10u/16V/NC

C179

220u/25V

C179

220u/25V

C182

1u/16V

C182

1u/16V

R294

10k

R294

10k

C162

100p/50V

C162

100p/50V

R320

0R/NC

R320

0R/NC

R424

47R

R424

47R

R395

C189

470n/50V

C189

470n/50V

N17

R2A15120FA

N17

R2A15120FA

VSA1

STBYL

INA1

MUTEL

INB1

GND

AVCC

INB2

INA2

VREF

PROT

VSA2

OUTA2_1

OUTA2_2

VDA2

HBA2

HBB2

NC2

VDB2

OUTB2_1

OUTB2_2

VSB2

NC3

GAIN2

GAIN1

CLK

RREF

DVDD

RLMT

ROSC

NC4

VSB1

OUTB1_1

OUTB1_2

VDB1

NC5

HBB1

HBA1

NC6

VDA1

OUTA1_1

OUTA1_2

EPAD

R332
22k/NC

R334
220k

C173
1n/50V

R286

39k

R286

39k

VD11

1N4148W

VD11

1N4148W

C200

200p/50V

C200

200p/50V

R316

0R/NC

R316

0R/NC

RSAG7.070.178

R309

100R

R309

100R

C190
470n/50V

R319

100k

R319

100k

R326

0R/NC

R326

0R/NC

R318

220k

R318

220k

C172

2.2u/10V

C172

2.2u/10V

C183

1u/16V

C183

1u/16V

R311

C203

2.2u/10V

C203

2.2u/10V

C169

470n/50V

C169

470n/50V

R423
220k

L14

22.0 uH

L14

22.0 uH

C197
100u/16V

C170

100n/16V

C170

100n/16V

C194
470n/50V

C198

2.2u/10V

C198

2.2u/10V

C202

100u/16V

C202

100u/16V

R333

R306

200R

R306

200R

C192

22u/16V

C192

22u/16V

C291

200p/50V

C291

200p/50V

R290
100R/0603

R308

0R/NC

R308

0R/NC

R299

R293
10k

R324
10k

V17

MMBT3904LT1

V17

MMBT3904LT1

R292

33k

R292

33k

C184
1n/50V

V18

MMBT3906LT1

V18

MMBT3906LT1

R313

N16

BA4558FAZ4558CM

N16

BA4558FAZ4558CM

OUT1

VEE

+IN1

-IN2

VCC

-IN1

OUT2

+IN2

R300

47k

R300

47k

R317

0R/NC

R317

0R/NC

R305

200R

R305

200R

R289

47k

R289

47k

C188

470n/50V

C188

470n/50V

R327

0R/NC

R327

0R/NC

R422
220k

C181

2.2u/10V

C181

2.2u/10V

WR
WL

GND

XS16

WR
WL

GND

XS16

3
4
2
1
5

C171
100u/16V

R310
1k

R314

0R/NC

R314

0R/NC

R295

22k

R295

22k

VD5

1N4148W

VD5

1N4148W

C177

10u/16V

C177

10u/16V

C290

200p/50V

C290

200p/50V

R297

10k

R297

10k

R335
330R

C195

10u/16V

C195

10u/16V

C178

10u/16V

C178

10u/16V

C191

22u/16V

C191

22u/16V

C187

470n/50V

C187

470n/50V

R307

0R/NC

R307

0R/NC

VD10

1N4148W

VD10

1N4148W

R302

10k

R302

10k

L13

22.0 uH

L13

22.0 uH

V19

MMBT3904LT1

V19

MMBT3904LT1

R331

100k

R331

100k

R336

0R/NC

R336

0R/NC

R321
330R

C164 470n/50V

R330
1k

C168

2.2u/10V

C168

2.2u/10V

L17

10.0 uH

L17

10.0 uH

VD6

BAV99LT1

VD6

BAV99LT1

R323
47k

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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Hisense LTDN32V86NAM, Service Manual, Page: 39 / 43

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