Hisense LTDN32k316AM Service Manual Download Page 44

5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

closed to Demod

60mA

closed to Demod

120mA

靠近

MSD1328

放置

close together

SAW Drive

靠近

tuner

放置

靠近

tuner

放置

TUNER POWER

TC90517

DEMO POWER

Close to tuner

AGC CIRCUIT

I2C

地址

30

closed to Demod

RF_AGC_SEL
0: DTV
1: ATV

R1

R2

R3

R1

远大于

R2

R3,R4

电阻必须取比较大值

,

否则会影响

IF-AGC

信号

.

R4

Close Tuner

T_I2C_TSCL

T_I2C_TSDA

T_I2C_TSCL
T_I2C_TSDA

5V_B1

IF_AGC_T

IF_TV

IF_TV_1

IF_TV

IF_TV

T-IF-AGC

T_I2C_TSCL

#IF_OUT

T_I2C_TSDA

IF_OUT

IF_AGC

T-IF-AGC

IF_AGC_T

RF_AGC

IF_AGC_T

IF_OUT

#IF_OUT

B3_3.3V

B4_1.2V

3.3V_Demod

+5V

1.2V_Demod

3.3V_Demod

+12V

VIF_12V

+12V

5V_Tuner

5V_B1

PLLVDD

3.3V_Demod

B4_1.2V

B3_3.3V

+5V

B3_3.3V

B4_1.2V

B4_1.

2V

AD_AVDD

B4_1.

2V

B4_1.2V

PLLVDD

3.3V_Demod

3.3V_Demod

B3_3.

3V

AD_DVDD

B4_1.

2V

B3_3.

3V

DR2

VDD

3.3V_Demod

2.5V_Demod

AD_DVDD

AD_AVDD

2.5V_Demod

DR2VDD

3.3V_Demod

5V_Tuner

5V_Tuner

I2C-SCL-TUNER

2

I2C-SDA-TUNER

2

#IF_OUT
IF_OUT

VIFM

2

VIFP

2

TS1_OUT_D7

2

#IF_OUT

2,9

IF_OUT

2,9

TS1_OUT_D5

2

TS1_OUT_D1

2

TS1_OUT_D2

2

TS1_OUT_D3

2

Demod_RST#

2

TS1_OUT_CLK

2

TS1_OUT_D0

2

TS1_OUT_VLD

2

TS1_OUT_D4

2

TS1_OUT_SYNC

2

I2C-SCL

2

I2C-SDA

2

TS1_OUT_D6

2

TS1_OUT_D[7:0]

2

I2C-SCL-TUNER

2

I2C-SDA-TUNER

2

RF_AGC_SW

2

RF_AGC 2

VIFM

2

VIFP

2

Title

Size

Document Number

Rev

Date:

Sheet

of

MSD1328BX

1.0

6

12

TV Interface

A2

Thursday, December 22, 2011

Title

Size

Document Number

Rev

Date:

Sheet

of

MSD1328BX

1.0

6

12

TV Interface

A2

Thursday, December 22, 2011

Title

Size

Document Number

Rev

Date:

Sheet

of

MSD1328BX

1.0

6

12

TV Interface

A2

Thursday, December 22, 2011

RP34

33R

RP34

33R

1

8

2
3
4

5

7
6

C298 10n/50V

C298 10n/50V

N22

HS8601

N22

HS8601

IN2

2

OUT1

4

GND

3

OUT2

5

IN1

1

C355

10p/50V

C355

10p/50V

R464
100k

R464
100k

R369
1k/NC

R369
1k/NC

C264

100n/16V

C264

100n/16V

C294

100n/16V

C294

100n/16V

R351
1M

R351
1M

C510

47p/50V

C510

47p/50V

R479

220R

R479

220R

Z3
JAS4K 

Z3
JAS4K 

1

2

C247

1n/50V

C247

1n/50V

R383

10k

R383

10k

C271

100n/16V

C271

100n/16V

R682

33R

R682

33R

C311

1u/16V

C311

1u/16V

C250
10u/25V

C250
10u/25V

R362

4.7k

R362

4.7k

R353

33R

R353

33R

R

361

10k

R

361

10k

C257

100n/16V

C257

100n/16V

R

358

10k

R

358

10k

C278

100n/16V

C278

100n/16V

C327

100n/16V

C327

100n/16V

C296

10n/50V/NC

C296

10n/50V/NC

R468

10k

R468

10k

C259

1u/16V

C259

1u/16V

C304

100n/16V

C304

100n/16V

C381

10u/10V

C381

10u/10V

R395

10k/NC

R395

10k/NC

R396

10k/NC

R396

10k/NC

C253
100n/16V

C253
100n/16V

R346

33R

R346

33R

R478

220R

R478

220R

R339
4.7k

R339
4.7k

C279

100n/16V

C279

100n/16V

R387

22R/NC

R387

22R/NC

R341

100R

R341

100R

R370

33R

R370

33R

C215

1u/16V

C215

1u/16V

C282

100n/16V

C282

100n/16V

C382

100n/16V

C382

100n/16V

R367
1k

R367
1k

L27

BLM18PG121SN1/NC

L27

BLM18PG121SN1/NC

C258

18p/50V

C258

18p/50V

C273

1u/16V

C273

1u/16V

R

345

10k

R

345

10k

C285

100n/16V

C285

100n/16V

R390
6.8k

R390
6.8k

C511

150p/50V

C511

150p/50V

R555

680R

R555

680R

L32
BLM18PG121SN1 

L32
BLM18PG121SN1 

C313

100n/16V/NC

C313

100n/16V/NC

U4

VA1P1BF8412 

U4

VA1P1BF8412 

NC3

3

AS

4

SDA

6

SCL

5

DIF_OUT-

11

IF_AGC

9

10

GND_15

15

GND_14

14

GND_13

13

NC1

1

NC2

2

+B_5V

7

AIF_OUT

8

GND_12

12

R557

0R/NC

R557

0R/NC

C50

22u/6.3V

C50

22u/6.3V

C58

22u/6.3V

C58

22u/6.3V

V25

2SCR523EB

V25

2SCR523EB

3

1

2

C274

1u/16V

C274

1u/16V

R364
1k/NC

R364
1k/NC

R363

4.7k

R363

4.7k

C297

10n/50V

C297

10n/50V

R366

100R

R366

100R

R340

100R

R340

100R

RP35

33R

RP35

33R

1

8

2
3
4

5

7
6

R462
100k

R462
100k

C287

100n/16V

C287

100n/16V

R382
0R

R382
0R

C289

100n/16V

C289

100n/16V

C312

100n/16V/NC

C312

100n/16V/NC

R684

33R

R684

33R

C222

100n/16V

C222

100n/16V

C226

100n/16V

C226

100n/16V

C252

1.5n/50V

C252

1.5n/50V

V33 2SAR523EB/NC

V33 2SAR523EB/NC

3

1

2

L30
0.82 uH/NC

L30
0.82 uH/NC

C49

22u/6.3V

C49

22u/6.3V

C299 10n/50V

C299 10n/50V

R391
680R

R391
680R

R466

100k

R466

100k

C249

100n/16V

C249

100n/16V

R392

10k/NC

R392

10k/NC

R376

300R/NC

R376

300R/NC

R685

56R

R685

56R

R554

0R

R554

0R

C254

100n/16V

C254

100n/16V

C59

22u/6.3V

C59

22u/6.3V

V34 2SAR523EB/NC

V34 2SAR523EB/NC

3

1

2

R

355

10k

R

355

10k

R350

0R

R350

0R

R352

1.2k

R352

1.2k

L91
0.1 uH

L91
0.1 uH

R379

0R/NC

R379

0R/NC

C267

100n/16V

C267

100n/16V

C309

100n/16V/NC

C309

100n/16V/NC

C314

100n/16V/NC

C314

100n/16V/NC

C302

47n/16V

C302

47n/16V

C307

100n/16V

C307

100n/16V

C248 1u/16V

C248 1u/16V

R

360

10k

R

360

10k

R400

33R

R400

33R

C359

10p/50V/NC

C359

10p/50V/NC

C268

100n/16V

C268

100n/16V

C493
10p/50V/NC

C493
10p/50V/NC

L28
0.82 uH

L28
0.82 uH

R348

0R

R348

0R

N25

LD1117A-3.3AZ1117H-3.3

N25

LD1117A-3.3AZ1117H-3.3

ADJ

1

VOUT

4

VIN

3

VOUT

2

C356

10p/50V

C356

10p/50V

C308

100n/16V

C308

100n/16V

R

344

10k

R

344

10k

C360

10p/50V/NC

C360

10p/50V/NC

N39

CW78D05CZ

N39

CW78D05CZ

GND

3

Vout

2

Vin

1

C290

1u/16V

C290

1u/16V

R402
NC/390R

R402
NC/390R

C48

22u/6.3V

C48

22u/6.3V

C236

xxp/50V/NC

C236

xxp/50V/NC

C303

10n/50V

C303

10n/50V

C251

10p/50V/NC

C251

10p/50V/NC

L20
BLM18PG121SN1 

L20
BLM18PG121SN1 

N24

AZ1117-1.2

N24

AZ1117-1.2

ADJ

1

VOUT

4

VIN

3

VOUT

2

R380
0R

R380
0R

C244

100n/16V

C244

100n/16V

L34
BLM18PG121SN1

L34
BLM18PG121SN1

C260

100n/16V

C260

100n/16V

C363

10p/50V

C363

10p/50V

R342

100R

R342

100R

N23

TC90517FG 

N23

TC90517FG 

VSS

50

STSFLG0

51

SLOCK

52

RERR

53

RLOCK

54

RSEORF

55

VDDC

56

VSS

57

PBVAL

58

SBYTE

59

SRDT

60

SRCK

61

VSS

62

VDDC

63

VDDS

64

TSMDO

1

XSEL

1

2

XSEL

0

3

VSS

4

SL

ADRS1

5

SL

ADRS0

6

AGC I

7

S_

IN

FO

8

AGCCNTI

9

AGCCNTR

10

CKI

11

TNSCL

12

VDD3

3

13

TNSDA

14

VSS

15

VDDC

16

PLLVSS

17

X0

18

X1

19

PLLVDD

20

FIL

21

AD_AVDD

22

AD_AVSS

23

AD_VREFP

24

AD_VREFN

25

AD_VREF

26

ADQ_AIN

27

ADQ_AIP

28

ADI_AIN

29

ADI_AIP

30

AD_DVSS

31

AD_DVDD

32

VSS

33

DR1

VDD

34

VDDS

35

VDDC

36

VSS

37

STSFL

G

1

38

DTCL

K

39

DTMB

40

TSMD1

41

SYRSTN

42

DR2

VDD

43

VSS

44

SCL

45

SDA

46

VSS

47

DR1

VDD

48

VDDS

49

R463
1k

R463
1k

V22

2SCR523EB 

V22

2SCR523EB 

3

1

2

L25

0.82 uH/NC

L25

0.82 uH/NC

R

359

10k

R

359

10k

R486

1k

R486

1k

R566

0R/NC

R566

0R/NC

L31
BLM18PG121SN1 

L31
BLM18PG121SN1 

C245
18p/50V

C245
18p/50V

C51

22u/6.3V

C51

22u/6.3V

C269

100n/16V

C269

100n/16V

R567

0R

R567

0R

R

365

10k

R

365

10k

C212

100n/16V

C212

100n/16V

R

371

10k

R

371

10k

C364

10p/50V

C364

10p/50V

C239 1u/16V

C239 1u/16V

R

357

10k

R

357

10k

R403

300R/NC

R403

300R/NC

C270

100u/16V/NC

C270

100u/16V/NC

R465
10k

R465
10k

C275

1u/16V

C275

1u/16V

L40
BLM18PG121SN1 

L40
BLM18PG121SN1 

R683

56R

R683

56R

L35
BLM18PG121SN1

L35
BLM18PG121SN1

R488
10R/2W

R488
10R/2W

R381

0R/NC

R381

0R/NC

R461
75R

R461
75R

C221

1u/16V

C221

1u/16V

R386
22R

R386
22R

C272

100n/16V

C272

100n/16V

C512

47p/50V

C512

47p/50V

R

372

10k

R

372

10k

C293

100n/16V

C293

100n/16V

R

343

10k

R

343

10k

C262

22p/50V

C262

22p/50V

R368

100R

R368

100R

C310

22p/50V

C310

22p/50V

C380

22u/6.3V

C380

22u/6.3V

C276

100n/16V

C276

100n/16V

L26
BLM18PG121SN1

L26
BLM18PG121SN1

V31

2SCR523EB 

V31

2SCR523EB 

3

1

2

R489
10R/2W

R489
10R/2W

LTDN32k316AM&LTDN42K310WAM 

main 

board:4900

Summary of Contents for LTDN32k316AM

Page 1: ...LCDTelevision Service Manual Chassis MSD1328 Product LTDN32k316AM LTDN42K310WAM Ver 1 0 Hisense Electric Co Ltd July 2012...

Page 2: ...t 12 3 1 To enter the Factory OSD Menu 12 3 2 Factory OSD Menu 12 4 Software updating 14 4 1 Upgrading Mboot software with the ISP Tool 14 4 2 Upgrading main software with Tftp32 securecrt 18 4 3 Upgr...

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 1Main Board Take LTDN32k316AMmain board 4900 for example Top Earphone USB HDMI Comp AV1 AV2 Tuner Cable Air Ethernet VGA Coaxial HDMI USB AV OTU IC MSD1328 PC Audio...

Page 11: ...16AM other products please look for the actual units to determine the boards 2 2 Following products are Chassis MSD1328 Model Panel Mode LVDS Main Panel LTDN32k316AM HE315FH E58 PW1 ROH FFC 30 367 ROH...

Page 12: ...emote 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...

Page 13: ...de Picture Curve Audio Curve SSC Adjust Saving Mode Overscan Not Stand Factory Menu White Balance Auto Calibration Option Init Test Pattern Version Option TO FAC M or U LOGO Hisense OSD language Engli...

Page 14: ...ecting You can update the software through a special tool as following Connect the Debug board to the TV use the RS232 4 pin the other USB port to the PC 4 1 2 Install the ISP_TOOL4 5 0 4 only for the...

Page 15: ...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 16: ...at the ISP_TOOL has connected According to the tv set Device Type maybe different If appear the following figure It indicates that the ISP_TOOL has not connected Please click the DisCon button and Con...

Page 17: ...hosen successfully Click the Auto button and choose parameters as following 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...

Page 18: ...ding main software with Tftp32 securecrt a Run Tftpd32 exe Browse the Base Directory file _dtv a7 Settings as following late click OK b Run Securecrt exe to set up a serical seccion Select File Connec...

Page 19: ...must lies on the Securecrt interface then AC power on the TV at the same time press enter key you will see mstar on the Securecrt interface the following image Next input set ipaddr 192 168 5 200 set...

Page 20: ...ate the following image note1 After software update has finished the TV OSD appears following Note 1 Serverip 192 168 5 211 is PC LAN IP address When update the main software you must replace you PC I...

Page 21: ...the USBUpgrade bin file that MBoot and main software named to the root directory of two USB disks respectively 2 Insert the USB disk into the USB slot of the TV SET 3 Press Menu button of remote contr...

Page 22: ...n not update successfully or TV can not power on normally You will adopt the force update method Insert the USB disk with USBUpgrade bin into the USB slot of the TV AC power on the TV at the moment pr...

Page 23: ...23 Third Checking if there is new firmware If there is new firmware on our server you will see the dialog below and press arrow to continue firmware download Note2...

Page 24: ...24 Next This time download has finished next to automatically update the firmware Note 1 It will take sometimes to complete the upgrade The time depend on your network speed...

Page 25: ...25 Don t Turn off TV during upgrading 2 If there is no new firmware on our server see the dialog below 3 If there is no network or not correctly connected it See the below dialog below...

Page 26: ...26 5 Circuit instruction 5 1 Power assign and block diagram...

Page 27: ...27 5 2 Main board signal process...

Page 28: ...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 29: ...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 30: ...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 31: ...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 32: ...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 33: ...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 34: ...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 35: ...35 6 Schematic circuit diagram 7 Explode View...

Page 36: ...R82802 P0R83101 P0R83201 P0R83401 P0R84001 P0R84102 P0R84301 P0R84401 P0R85201 P0R85301 P0R85401 P0R85502 P0R85602 P0R85701 P0R86501 P0R86901 P0R87602 P0R88501 P0R89001 P0T83105 P0V80402 P0VB80004 P0V...

Page 37: ...R89101 P0R90201 P0R90301 P0R92602 P0R92702 P0R93201 P0T80309 P0T803010 P0T831011 P0T831012 P0U701014 P0V70203 P0V90502 P0XP90103 P0XP90104 P0XP90107 P0XP90108 P0XP901013 P0XP90203 P0XP90204 P0XP90303...

Page 38: ...100n 16V C291 100n 16V R17 1k R17 1k L3 4 7 uH L3 4 7 uH C39 22u 6 3V C39 22u 6 3V C7 4 7u 10V NC C7 4 7u 10V NC R5 4 7k R5 4 7k C33 2 2u 10V C33 2 2u 10V E1 RSAG7 308 107 E1 RSAG7 308 107 1 R6 0R R6...

Page 39: ...C57 100n 16V C524 100n 16V C524 100n 16V C94 100n 16V C94 100n 16V R28 100k R28 100k R31 10k R31 10k R700 5 1R R700 5 1R C520 100n 16V C520 100n 16V C277 100u 16V NC C277 100u 16V NC L17 STPB2012 121...

Page 40: ...22R R304 22R RP15 10R RP15 10R 2 7 1 4 3 6 8 5 Z1 HC 49SM24MHZ Z1 HC 49SM24MHZ 1 2 C115 100n 16V C115 100n 16V R86 100R R86 100R C110 47n 16V C110 47n 16V R331 10k R331 10k R398 22R R398 22R R328 47k...

Page 41: ...VSS VDDQ DQU3 DQU1 VSSQ VDDQ DMU VSS VSSQ DQL0 VDDQ DQL2 DQSL VSSQ DQL6 DQSL VREFDQ VDDQ DQL4 NC VSS RAS VDD CAS NC CS WE BA0 BA2 VDD A3 A0 A5 A2 VDD A7 A9 DQU4 VDDQ VSS DQSU DQU6 VSSQ DQSU DQU2 VDDQ...

Page 42: ...2 RV12 ASES12U020R2 R258 22R R258 22R R270 100k R270 100k R259 10R R259 10R C217 100n 16V C217 100n 16V RV7 ASES12U020R2 RV7 ASES12U020R2 R261 10R R261 10R R286 4 7k R286 4 7k C216 100n 16V C216 100n...

Page 43: ...12 10k R220 12k R220 12k RV55 AVLC18S02015 RV55 AVLC18S02015 R292 200R R292 200R V28 MMBT3904LT1 V28 MMBT3904LT1 3 1 2 RV46 AVLC18S02015 RV46 AVLC18S02015 R215 12k R215 12k R205 4 7k NC R205 4 7k NC R...

Page 44: ...3 4 5 7 6 R462 100k R462 100k C287 100n 16V C287 100n 16V R382 0R R382 0R C289 100n 16V C289 100n 16V C312 100n 16V NC C312 100n 16V NC R684 33R R684 33R C222 100n 16V C222 100n 16V C226 100n 16V C226...

Page 45: ...22 2011 C225 1n 2KV NC C225 1n 2KV NC C228 100n 16V C228 100n 16V R290 75R R290 75R RJ 45 Y G XS13 RJ45 RJR 008103 HX RJ 45 Y G XS13 RJ45 RJR 008103 HX NTX0 _0 1 NTX0 _1 2 NRX0 _2 3 4 4 5 5 NRX0 _5 6...

Page 46: ...R NC R338 10k R338 10k R66 0R NC R66 0R NC R450 0R NC R450 0R NC XP21 XP21 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 C213 10u 10V C213 10u 10V R375 2 2k R3...

Page 47: ...95 270p 50V C295 270p 50V R315 1k R315 1k C319 4 7n 50V C319 4 7n 50V C340 33n 50V C340 33n 50V R399 0R NC R399 0R NC R419 200R R419 200R S5 D4 S5 D4 C322 1u 50V C322 1u 50V C339 4 7n 50V C339 4 7n 50...

Page 48: ...mA 500mA A4459 VCC Panel 200mA 1000mA A4459 VCC Panel TPS54426 5V CW78D05CZ 5V TUNER 12V 5V AMS1117 3 3 3 3Vstb 5V_USB 380mA 200mA 1000mA CW78D05CZ 5V_Tuner MP1492 1 05V1100mA I II A4459 5V 12V_IN 5Vs...

Page 49: ......

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