Hisense 32LD846HT Service Manual Download Page 40

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MUTE Function

HEADPHONE

0: Normal
1:
Shutdown

Power On Mute

Power Off Mute

MUTE

CLOSED TO MSD309

Near MST.IC

Ground in the middle of the L/R

放大倍数

=R310/R321

放大倍数

=R330/R335

L39,For 32"/37"
L40,For 40"/46"

SPEAKER AMP

WOOFER AMP

EARPHONE_ROUT

EARPHONE_LOUT

PWD_MT

MUTE_AMP

PWD_MT

VCC-OP2

MUTEL

RST_AMP

I2S_OUT_SD

I2S_OUT_BCK
I2S_OUT_WS

I2S_OUT_MCK

AMP-Lout+

AMP-Lout-

AMP-Rout+

AMP-Rout-

MUTEL

RST_AMP

I2S_OUT_SD

I2S_OUT_BCK
I2S_OUT_WS

I2S_OUT_MCK

Woofer_IN-

MUTEL

5VAIN

VCC-A

5VAIN

+12V

VCC-A

5VAIN

+12V

VCC-A

+12V

VVV

3.3VA

VCC-A

3.3VA

VCC-A

3.3VA

EARPHONE_ROUT

EARPHONE_LOUT

MUTE_AMP

LINEOUTL 5

LINEOUTR 5

AUOUTR1

AUOUTL1

RST_AMP

I2S_OUT_MCK

I2S_OUT_BCK

I2S_OUT_WS

I2S_OUT_SD

SCL

2,3

SDA

2,3

RST_AMP

I2S_OUT_MCK

I2S_OUT_BCK

I2S_OUT_WS

I2S_OUT_SD

SCL

2,3

SDA

2,3

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

Wednesday, February 23, 2011

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

Wednesday, February 23, 2011

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

Wednesday, February 23, 2011

R438

470R

R438

470R

L92

BLM18PG181SN1

L92

BLM18PG181SN1

C361

NC/1n/50V

C361

NC/1n/50V

R329
4.7k

C333 4.7n/50V

C203

2.2u/10V

C203

2.2u/10V

C200

200p/50V

C200

200p/50V

R325

47k

R325

47k

C507

470n/50V

C507

470n/50V

R301

47k

R301

47k

C353
220n/50V

C368

10n/50V

C368

10n/50V

VD4

BZT52C

10 /N

VD4

BZT52C

10 /N

C327
100n/16V

L40

STPB3216-121PT

L40

STPB3216-121PT

R304

C344

33n/50V

C344

33n/50V

C193

100n/16V

C193

100n/16V

C202

100u/16V

C202

100u/16V

R330
1k

R228

18k

R228

18k

VD8

1N4148W

VD8

1N4148W

C334
470n/50V

R261

200R

R261

200R

VD7

BZT52C

10 /N

VD7

BZT52C

10 /N

C322

NC/1n/50V

C322

NC/1n/50V

R265

15k/NC

R265

15k/NC

R433

NC/4.7R

R433

NC/4.7R

R322
1k

VD3

1N4148W

VD3

1N4148W

C198

2.2u/10V

C198

2.2u/10V

R333

XP9

R328

C369

1u/50V

C369

1u/50V

L43

22.0 uH

L43

22.0 uH

L16

10.0 uH

L16

10.0 uH

C354 NC/1n/50V

R488

V20

MMBT3904LT1

V20

MMBT3904LT1

R303

C305

10u/16V

C305

10u/16V

VD9

1N4148W

VD9

1N4148W

C349 1u/50V

C316 1u/50V

R483

R453

22R

R453

22R

R315
1k/NC

C370

1u/50V

C370

1u/50V

C335

10u/16V

C335

10u/16V

C345

470n/50V

C345

470n/50V

R312

C307

100u/16V/NC

C307

100u/16V/NC

C508

NC/470n/50V

C508

NC/470n/50V

L46

BLM21PG220SN1D

L46

BLM21PG220SN1D

C196

10u/16V

C196

10u/16V

R260

200R

R260

200R

R309

100R

R309

100R

C318

NC/2.2n/50V

C318

NC/2.2n/50V

C201

10u/16V/NC

C201

10u/16V/NC

C357

33n/50V

C357

33n/50V

R257

18k

R257

18k

R268

15k/NC

R268

15k/NC

R456

NC/4.7R

R456

NC/4.7R

R262

18k

R262

18k

C371
220n/50V

C336

33n/50V

C336

33n/50V

C346

100n/16V

C346

100n/16V

R320

0R/NC

R320

0R/NC

R324
10k

C355 47n/16V

R424

47R

R424

47R

C328

100n/16V

C328

100n/16V

R454

100R

R454

100R

R332
22k/NC

C197
100u/16V

C362
470n/50V

C199

100u/16V

C199

100u/16V

C372

100n/16V

C372

100n/16V

L91

BLM18PG181SN1

L91

BLM18PG181SN1

VD11

1N4148W

VD11

1N4148W

R254

15k

R254

15k

C504

33n/50V

C504

33n/50V

R316

0R/NC

R316

0R/NC

R457

22R

R457

22R

C329

10u/16V

C329

10u/16V

R266

15k/NC

R266

15k/NC

C319

4.7n/50V

C319

4.7n/50V

R319

100k

R319

100k

C343 1u/50V

N28

TAS5711

N28

TAS5711

OUT_A

PVD

BST_A

GVDD_OUT1

SSTIMER

OC_ADJ

PBTL

AVSS

PLL_FLTM

PLL_FLTP

VR_ANA

AVD

A_SEL

MCLK

OSC_RES

VSSO

VR_DIG

PDN

LRCLK

SCLK

SDIN

SDA

SCL

RESET_24

STEST

VSS

GND

VREG

GVDD_OUT2

BST_D

DD_D1

DD_D2

OUT_D

ND_CD1

ND_CD2

OUT_C

DD_C1

DD_C2

BST_C

BST_B

PVD

OUT_B

ND_A

EPAD

R311

R484

R285

470R

R285

470R

R258

10k

R258

10k

R326

0R/NC

R326

0R/NC

C330

33n/50V

C330

33n/50V

C317 1u/50V

C356 47n/16V

R436

470R

R436

470R

R321
330R

C366
1u/50V

C373

10n/50V

C373

10n/50V

R306

200R

R306

200R

C323

NC/470n/50V

C323

NC/470n/50V

C192

22u/16V

C192

22u/16V

L47
BLM21PG220SN1D

L49

22.0 uH

L49

22.0 uH

C338

10u/16V

C338

10u/16V

C320

NC/1n/50V

C320

NC/1n/50V

L50

22.0 uH

L50

22.0 uH

R256

22k

R256

22k

R442 NC/4.7R

R255

22k

R255

22k

R440

NC/10k

R440

NC/10k

C313 4.7u/10V

L48

22.0 uH

L48

22.0 uH

C339 4.7n/50V

C350

NC/1n/50V

C350

NC/1n/50V

C364
NC/470n/50V

R334
220k

V18

MMBT3906LT1

V18

MMBT3906LT1

R482

R263

15k

R263

15k

R317

0R/NC

R317

0R/NC

L90

BLM18PG181SN1

L90

BLM18PG181SN1

R305

200R

R305

200R

R481

C347

NC/1n/50V

C347

NC/1n/50V

C365
100n/16V

R318

220k

R318

220k

C340

33n/50V

C340

33n/50V

XP10

R327

0R/NC

R327

0R/NC

WR
WL

GND

XS16

WR
WL

GND

XS16

3
4
2
1
5

L45

22.0 uH

L45

22.0 uH

R478

N27

TAS5707

N27

TAS5707

OUT_A

DD_A

PVD

BST_A

GVDD_OUT_31

SSTIMER

OC_ADJ

AVSS

PLL_FLTM

PLL_FLTP

VR_ANA

AVD

FAULT_13

MCLK

OSC_RES

VSSO

VR_DIG

PDN_18

LRCLK

SCLK

SDIN

SDA

SCL

RESET_24

STEST

VSS

GND

VREG

GVDD_OUT

BST_D

DD_D

DD_D_44

OUT_D

ND_CD

ND_CD_5

OUT_C

DD_C

DD_C_29

BST_C

BST_B

DD_B

_46

DD_B

OUT_B

AB_

EPAD

R314

0R/NC

R314

0R/NC

R267

470R

R267

470R

C363

2.2n/50V/NC

C363

2.2n/50V/NC

V17

MMBT3904LT1

V17

MMBT3904LT1

VD5

1N4148W

VD5

1N4148W

C348 47n/16V

C314

100n/16V

C314

100n/16V

C332 10u/16V

C358
470n/50V

C503
220n/50V

R313

C311

100n/16V

C311

100n/16V

L39

STPB3216-121PT/NC

L39

STPB3216-121PT/NC

R428

47k/NC

R428

47k/NC

R336

0R/NC

R336

0R/NC

CA88

220u/25V

CA88

220u/25V

C325
1u/10V

C195

10u/16V

C195

10u/16V

C337 1u/50V

C341
470n/50V

C374

1u/50V

C374

1u/50V

C321

1u/50V

C321

1u/50V

R310
1k

C191

22u/16V

C191

22u/16V

R434

NC/4.7R

R434

NC/4.7R

R226
18k

R269

15k

R269

15k

VD10

1N4148W

VD10

1N4148W

R302

10k

R302

10k

C331 1u/50V

C359
220n/50V

C375
220n/50V

R489

R259

10k

R259

10k

C312 1u/50V

R480

V19

MMBT3904LT1

V19

MMBT3904LT1

R331

100k

R331

100k

R441

100R

R441

100R

C367
220n/50V

R439

22R

R439

22R

R459

NC/10k

R459

NC/10k

C342

100n/16V

C342

100n/16V

R437

22R

R437

22R

C315

1u/10V

C315

1u/10V

R435

NC/4.7R

R435

NC/4.7R

CA87

220u/25V

CA87

220u/25V

C351

47n/16V

C351

47n/16V

R460

NC/4.7R

R460

NC/4.7R

C324 1u/50V

C360

4.7u/10V

C360

4.7u/10V

L44

22.0 uH

L44

22.0 uH

L17

10.0 uH

L17

10.0 uH

VD6

BAV99LT1

VD6

BAV99LT1

C204

200p/50V

C204

200p/50V

R323
47k

C352 1u/50V

R335
330R

L89

BLM18PG181SN1

L89

BLM18PG181SN1

C326

4.7n/50V

C326

4.7n/50V

Summary of Contents for 32LD846HT

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: ...508 1 2 3 4 C861 47u 50V C861 47u 50V L803 LCL 3505 HP L803 LCL 3505 HP 1 2 3 4 C878 100n 50V C878 100n 50V R999 1k R999 1k L806 LCL 2508 L806 LCL 2508 1 2 3 4 VZ806 MSZ16T1G VZ806 MSZ16T1G 1 2 C845 1...

Page 34: ...XP1 XP1 1 2 3 4 5 6 7 8 9 10 11 12 13 L5 33 0 uH L5 33 0 uH C136 100n 16V C136 100n 16V S6 D4 S6 D4 C73 100n 16V C73 100n 16V C38 100n 16V C38 100n 16V N6 AZ1084S ADJ N6 AZ1084S ADJ ADJ 1 VOUT 4 VIN...

Page 35: ...R RP2 0R 1 8 2 3 4 5 7 6 V8 MMBT3904LT1 V8 MMBT3904LT1 3 1 2 RV3 AVLC18S02015 NC RV3 AVLC18S02015 NC C69 47n 16V C69 47n 16V M2 MARK M2 MARK C84 39p 50V C84 39p 50V C67 10u 16V C67 10u 16V R199 10k NC...

Page 36: ...P26 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...

Page 37: ...B1 XS3 DC1R019JB1 DATA2 1 DATA2S 2 DATA2 3 DATA1 4 DATA1S 5 DATA1 6 DATA0 7 DATA0S 8 DATA0 9 CLK 10 CLKS 11 CLK 12 CEC 13 NC 14 SCL 15 SDA 16 CEC GND 17 5V 18 HPDET 19 GND1 20 GND3 22 GND2 21 GND4 23...

Page 38: ...22 47n 16V C122 47n 16V RV51 AVLC18S02015 RV51 AVLC18S02015 XS7 AV3 WBP RGB XS7 AV3 WBP RGB GND 2 GND 5 SIGNAL7 7 SIGNAL9 9 GND 8 SIGNAL4 4 SIGNAL6 6 SIGNAL1 1 SIGNAL3 3 R492 470R R492 470R R206 68R R...

Page 39: ...0755 26996830 1 0 USB 6 10 Wednesday February 23 2011 Title Size Document Number Rev Date Sheet of C 4 TEL 0755 26996895 FAX 0755 26996830 1 0 USB 6 10 Wednesday February 23 2011 R276 5 1R R276 5 1R R...

Page 40: ...9 4 7n 50V C319 4 7n 50V R319 100k R319 100k C343 1u 50V C343 1u 50V N28 TAS5711 N28 TAS5711 OUT_A 1 PVDD_A1 2 PVDD_A2 3 BST_A 4 GVDD_OUT1 5 SSTIMER 6 OC_ADJ 7 PBTL 8 AVSS 9 PLL_FLTM 10 PLL_FLTP 11 VR...

Page 41: ...1 C302 100n 16V C302 100n 16V C246 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 C303 100n 16V C303 100n...

Page 42: ...MMBT3904LT1 V26 MMBT3904LT1 3 1 2 C281 100n 16V C281 100n 16V N22 HS8601 NC N22 HS8601 NC IN2 2 OUT1 4 GND 3 OUT2 5 IN1 1 R382 10k R382 10k L32 BLM18PG121SN1 L32 BLM18PG121SN1 R378 10k R378 10k N21 C...

Page 43: ...Vstb 5Vstb 7805 5V_TUNER 12V AO3401 12V VCC PANEL MP2380 5VAIN 1117 3 3 3 3V_TUNER 1117 1 2 1 2V_TUNER Title Size Document Number Rev Date Sheet of Doc RevCode Title B 10 10 Wednesday February 23 2011...

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