background image

5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

Power Off Mute

MUTE

0: Normal
1: Shutdown

耳机输出

N80 I2C ADDR:
0x54 

SPEAKER AMP

HP_DEC

POWER_OFF-MUTE

POWER_OFF-MUTE

MUTE-AMP

MUTE_S

PH_L

PH_R

PWD_MT

SHUTDOWN

SHUTDOWN

MUTE_5727

MUTE-AMP

AMP-Lout+

AMP-Lout-

AMP-Rout-
AMP-Rout+

POP_MUTE_DRV632

MUTE_632

POP_MUTE_DRV632

MUTE_632

PH_L

PH_R

AMP-Lout+

AMP-Lout-

AMP-Rout+

AMP-Rout-

MUTE_5727

RST_AMP

I2S-OUT_SDO

I2S-OUT_BCKO
I2S-OUT_WSO

I2S-OUT_MCKO

VCC-AA

5VAIN

5VAIN

+12V

5VAIN

5VAIN

3.3VA

VCC-AA

+12V

3.3VA

3.3VA

3.3VA

3.3VA

3.3VA

3.3VA

VCC-AA

3.3VA

3.3VA

3.3VA

HP_DEC

MUTE_AMP

2

MUTE_DRV632

2

MUTE_632

7

EARPHONE_OUTR

2

EARPHONE_OUTL 2

RST_AMP

I2S-OUT_MCKO

2

I2S-OUT_BCKO

2

I2S-OUT_WSO

2

I2S-OUT_SDO

2

M-SCL
M-SDA

Title

Size

Schematic Name

Rev

Date:

Sheet

of

Hisense Electric Co.,Ltd.
No.11,Jiangxi Road,Qingdao,China
WWW.HISENSE.COM

<Doc>

1.0

Hisense MSD6308RT 

Custom

10

15

Monday, March 16, 2015

Title

Size

Schematic Name

Rev

Date:

Sheet

of

Hisense Electric Co.,Ltd.
No.11,Jiangxi Road,Qingdao,China
WWW.HISENSE.COM

<Doc>

1.0

Hisense MSD6308RT 

Custom

10

15

Monday, March 16, 2015

Title

Size

Schematic Name

Rev

Date:

Sheet

of

Hisense Electric Co.,Ltd.
No.11,Jiangxi Road,Qingdao,China
WWW.HISENSE.COM

<Doc>

1.0

Hisense MSD6308RT 

Custom

10

15

Monday, March 16, 2015

R426

0R/NC

C603

4.7u/10V/NC

R510

0R

VD12
1N4148W

1

2

C315

1u/10V

R

WR

WL

L

GND

XS8

PJ-3528F\Reflow 

3

4

2

1

5

L64

15.0 uH

R450

22R

VD24

1N4148W

1

2

C455

4.7u/10V

R371

10k

V32
MMBT3904LT1

3

1

2

R318

0R/NC

R337
4.7k

C410

33n/50V

R449
470R

C466

10n/50V

R406
10k

C96

220u/25V

R469

100R

V30

MMBT3904LT1

1

2

3

C343

1u/50V

C456

NC/1n/50V

C411

10u/16V

C483

100n/16V

R443
4.7k

R411

470R

VD15

1N4148W

1

2

VD17

1N4148W

1

2

L90

BLM18PG181SN1

R326
1k

V24

MMBT3904LT1

1

2

3

R421

200R

R400

4.7k

C606
1u/10V

C417
470n/50V

R529

0R

R447
1M/NC

C327

NC/470n/50V

R473 NC/4.7R

VZ2

LM3Z10VT1G/NC

1

2

R331

4.7k

C507

470n/50V

R423

18k

C418

100n/16V

R457

22R

C356

10u/16V

L65

15.0 uH

C324 1u/50V

R451

15k/NC

R316

0R/NC

R424

15k/NC

VD13
1N4148W

1

2

VD16

1N4148W

1

2

N14

AS9604

OUTR

2

PVSS

4

EN

3

GND

8

-INL

10

-INR

1

OUTL

9

PVDD

7

CN

5

CP

6

C442

NC/1n/50V

L59

15.0 uH

R317

0R/NC

C330

4.7n/50V

C471

1u/50V

C334 1u/50V

R393
470R

C458
100n/16V

C438

470n/50V

R605

68k

R604

10k

C481

2.2n/50V/NC

C446 1u/16V

C509

NC/470n/50V

V34

MMBT3904LT1

1

2

3

L71 BLM18PG181SN1

C441

33n/50V

C408 1u/16V

C506
220n/50V

C339

10u/10V

C439

100n/16V

C604

1u/10V

R321
1k/NC

R681
47k

C450
220n/50V

V23

MMBT3904LT1

1

2

3

N80

TAS5707

OUT_A

1

PVDD_

A

2

PVDD_A_7

3

BST_A

4

GVDD_OUT_31

5

SSTIMER

6

OC_ADJ

7

NC

8

AVSS

9

PLL_FLTM

10

PLL_FLTP

11

VR_ANA

12

AVDD

13

FAULT_13

14

MCLK

15

OSC_RES

16

DVSSO

17

VR_DIG

18

PDN_18

19

LRCLK

20

SCLK

21

SDIN

22

SDA

23

SCL

24

RESET_24

25

STEST

26

DVDD

27

DVSS

28

GND

29

AGND

30

VREG

31

GVDD_OUT

32

BST_D

33

PVDD_

D

34

PVDD_

D_

4

4

35

OUT_D

36

PGND_

CD

37

PGND_

CD_

5

38

OUT_C

39

PVDD_

C

40

PVDD_

C_

2

9

41

BST_C

42

BST_B

43

PVDD_

B_

4

6

44

PVDD_

B

45

OUT_B

46

PGND_

AB

47

PGND_

AB_

2

48

EPAD

49

C338

100n/16V

R441
100k/NC

R678

10k

R607

10k

V31

MMBT3906LT1

1

2

3

C605
1u/10V

R430

15k

C505

33n/50V

C607
1u/10V

R679

10k/NC

XP24

1
2
3
4

6

5

C250

2.2u/10V/NC

R490

0R

C451 NC/1n/50V

C444

47n/16V

C341

33n/50V

R448

NC/4.7R

R680
4.7k

R509

0R

L72

BLM18PG121SN1

R334
100k/NC

R602

68k

R556
100k

L66

BLM21PG220SN1D

C601
1u/10V

R608
4.7k

C227
100n/16V

R436

NC/4.7R

R415

10k

R526
4.7k

R603

47R

C460
220n/50V

R412

22k

R247

18k

C452 47n/16V

R492

0R

C342 10u/16V

L89

BLM18PG181SN1

R458

NC/10k

C320

4.7n/50V

R333

10k

L67

15.0 uH

R606

47R

R446

1k

R437
100k

C463

1u/50V

R440

NC/4.7R

C440

NC/1n/50V

R442

0R/NC

R601

10k

C454
220n/50V

C357
470n/50V

R410

470R

R528

4.7k

R455
47k

VD14

1N4148W

1

2

Summary of Contents for LTDN40K221TWAM

Page 1: ...LCDTelevision Service Manual Chassis MSD6308 Product LTDN40K221TWAM Ver 1 0 Hisense Electric Co Ltd June 2015...

Page 2: ...d Rear 13 3 Factory Service OSD Menu and Adjustment 15 3 1 How to enter the Factory OSD Menu 15 3 2 Factory OSD Menu 15 4 Software updating 18 4 1 Updating main board with SecureCRT 18 4 2 Write Mboot...

Page 3: ...perations require the use of tools specially designed 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 NO...

Page 4: ...re identified with a by the Ref No in the parts list Use of substitute replacement parts which do not have the same specified safety characteristics may create shock fire or other hazards Under no cir...

Page 5: ...3 To prevent electrical shock do not use this polarized ac plug with an extension cord receptacle or the outlet unless the blades can be fully inserted to prevent blade exposure To prevent electrical...

Page 6: ...nditions This may damage the product and may cause a fire 4 If a foreign substance such as water metal or liquid gets inside the panel module immediately turn off the power Continuing to use the produ...

Page 7: ...tion to avoid injury from tip over 1 2 Notes Notes on Safe Handling of the LCD panel and during service The work procedures shown with the Note indication are important for ensuring the safety of the...

Page 8: ...g materials before the surface of the panel comes into contact with the cushioning materials Failure to observe this precaution may result in the surface of the panel being scratched by foreign matter...

Page 9: ...hat the peripherals of the serviced points have not undergone any deterioration during servicing Also verify that the screws parts and cables removed for servicing purposes have all been returned to t...

Page 10: ...10 2 Product Specifications 2 1 Main board layout 2 1 1 1Main board 6374 The Top USB HDMI Ant MSD6308 Cable VGA VGAAudio Component AV Audio Component AV Video...

Page 11: ...11 Side terminal 1 Side terminal 2...

Page 12: ...12 Bottom...

Page 13: ...TV Model Panel Mode LVDS Main Panel Main board power board LHD32K220TWAM HD315DH B12 HX2 2 20KLB90P 90 0 ROH RSAG2 908 6374 01 ROH LTDN40K221TWAM HS HD396DF E01 HX2 2 20KLB150P 150 0 ROH RSAG2 908 637...

Page 14: ...14 TV Rear...

Page 15: ...2 Select Sound Balance item 3 Press number key 1 9 6 9 in sequence when Balance item is focused Note If necessary re do number keys 4 Factory OSD appears Note Press exit key on the RC which can exit f...

Page 16: ...16 Option Init...

Page 17: ...17 Version 3 2 2 Design Menu Note The above Factory Service OSD Menus are reference only please refer to the actual unit to determine the appearances...

Page 18: ...then can update main software With SecureCRT 4 1 Updating main board with SecureCRT 4 1 1 Hardware connecting You can update the software through a special tool as following Connect the Debug board to...

Page 19: ...FTC100103 MSTAR rar file in your PC This is a drive software of Mstar Another If your PC is Win7 system you will have to install CDM20802_Setup_WIN7 rar file and then open the software of SecureCRT in...

Page 20: ...ow e Input usb start 1 and press Enter key Note If it says Error like below picture please input usb start 0 and press Enter key f Input ustar and press Enter key g It will be upgraded automatically a...

Page 21: ...21 b Set I2C parameters Click I2C Set I2C to open the window of below and adjust the I2C Speed to 30 c Load the Mboot files Click View Eagle Nugget NAND Program to open the window below...

Page 22: ...write Mboot files to the Nand flash e When you see the Status become to Status Success Please reset power please wait for 2 minutes and then close the MSTV_Tool f AC power off the board Now you can u...

Page 23: ...the TV SET 3 Press Menu button of remote control and call up Factory OSD Menu choose OPTION Software Update USB item Detail see 3 1 How to enter the Factory OSD Menu 4 Press the key on RC it will sho...

Page 24: ...der to convenience prepare two USB disks to save different software respectively 5 Troubleshooting 5 1 Troubleshooting for Remote Control Remote control does not work Try new batteries Replace RC Chec...

Page 25: ...g 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 OK...

Page 26: ...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 27: ...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 Suppl...

Page 28: ...28...

Page 29: ...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 YES...

Page 30: ...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 NO...

Page 31: ...t 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 YES NO 6 Circuit instruction 6 1...

Page 32: ...32...

Page 33: ...33 7 Schematic circuit diagram 8 Explode View...

Page 34: ...R YUV_L R X3 PANEL LVDS IF1 IF2 IF TAS5707 L R L_OUT R_OUT EEPROM 32KBITS I2C SPI FLASH 16MBITS NC NAND_FLASH 4GBITS 12V 5V_STB 2A TPS54328 5VAIN 3A PWR ON OFF 12V TAS5707 AMS1117 3 3V 3 3V_Standby 3...

Page 35: ...0 0R C19 10u 16V R20 4 7k NC C212 8 2n 50V C15 10u 16V C231 100n 16V N7 TPS54528 VIN 8 EN 1 VRG5 3 SS 4 GND 5 VFB 2 VBST 7 SW 6 EPAD 9 C732 22u 6 3V R11 4 7k C215 1n 50V NC R250 100k R40 1k R8 4 7k NC...

Page 36: ...GND L7 GND L8 GND L9 GND L10 GND L11 GND L12 GND L13 GND L14 GND R10 GND R9 GND R5 GND P15 GND P14 GND P13 GND P12 GND P11 GND P10 GND P5 GND N15 GND N14 GND N13 GND N12 GND N11 GND N6 GND N4 GND M15...

Page 37: ...chematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT A 4 15 Monday March 16 2015 Title Size Schematic Name Rev Date Sheet...

Page 38: ...2 9 M SDA 2 9 Title Size Schematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT C 5 15 Monday March 16 2015 Title Size Sch...

Page 39: ...Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT A 6 15 Monday March 16 2015 Title Size Schematic Name Rev Date Sheet of Hisense Electr...

Page 40: ...16 2015 Title Size Schematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT B 7 15 Monday March 16 2015 Title Size Schematic...

Page 41: ...308RT Custom 8 15 Monday March 16 2015 Title Size Schematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT Custom 8 15 Monday...

Page 42: ...T 2 Title Size Schematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT D 9 15 Monday March 16 2015 Title Size Schematic Name...

Page 43: ...3 R421 200R R400 4 7k C606 1u 10V C417 470n 50V R529 0R R447 1M NC C327 NC 470n 50V R473 NC 4 7R VZ2 LM3Z10VT1G NC 1 2 R331 4 7k C507 470n 50V R423 18k C418 100n 16V R457 22R C356 10u 16V L65 15 0 uH...

Page 44: ...a WWW HISENSE COM Doc 1 0 Hisense MSD6308RT B 11 15 Monday March 16 2015 Title Size Schematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hi...

Page 45: ...T A 12 15 Monday March 16 2015 Title Size Schematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT A 12 15 Monday March 16 20...

Page 46: ...ze Schematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD6308RT C 13 15 Monday March 16 2015 Title Size Schematic Name Rev Date S...

Page 47: ...MER 12 HX R820 2 7k V946 MMBT2222A 3 1 2 R822 270k R801 1M C845 100n 50V VD816 HER307 1 2 R935 1R 2W R849 10k Q803 RSAG5 861 152 1 2 3 4 C802 470p 1000VV R926 120k R832 330R VD804 RM11C 1 2 V801 STK07...

Page 48: ...E COM Doc 1 0 Hisense MSD6308RT A 15 15 Wednesday March 18 2015 Title Size Schematic Name Rev Date Sheet of Hisense Electric Co Ltd No 11 Jiangxi Road Qingdao China WWW HISENSE COM Doc 1 0 Hisense MSD...

Page 49: ...inal Bracket RSAG8 081 1206 1 9 Main Board RSAG2 908 6374 1 10 Screw SJ2836 87 M3X8 4 11 Terminal Bracket RSAG8 081 1371 1 12 13 14 Bracket 1 RSAG8 038 4369 15 16 Bracket 1 RSAG8 078 3992 17 18 Rear C...

Reviews: