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Hisense LTDN32V86NAM Service Manual Download Page 33

5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

MST Power supply

1100mA

Power Input

Inverter Interface

Note: Left C7 NC, R12 change to 100ohm if want to output PWM puls

R13 only for 3.3V PWM output

1.32V DC-DC

380mA

150mA

110mA

300mA_DDR2 Max

230mA

Power for Panel

H:OFF
L:ON

Close to 3.3V LDO output

Standby:L
Normal: H

Low ESR

Vout=0.923*_1 + 2.2K/4.7K_ =1.391V

L:ON
H:OFF

Vout=1.25*(1 + 0.47K/1K) =1.838V

BL-ON/OFF

BL-ADJUST

BL-ON/OFF
BL-ADJUST

STANDBY

STANDBY

5VAIN

1.32V

3.3VA

1.8VA

5VAIN

3.3Vstb

1.8VA

1.8VA

2.5VA

+12V

5Vstb

5VAIN

5Vstb

5VAIN

1.8VA

5VAIN

3.3VA

5VAIN

2.5VA

2.5V_Demod

5VAIN

+12V

VCC-A

+12V

5Vstb

5VAIN

1.32V

3.3VA

5VAIN

+12V

5VAIN

VCC-Panel

5VAIN

3.3VA

ADJ-PWM

2

PWR-ON/OFF

2

BL-ADJUST 2

ON_PBACK

2

ON_PANEL

2

Title

Size

Document Number

Rev

Date:

Sheet

of

深圳市高新区南区科技南十路国际技术创新研究院

C

座

4

楼

TEL:0755-26996895     FAX:0755-26996830

1.0

POWER

1

10

Friday, December 31, 2010

Title

Size

Document Number

Rev

Date:

Sheet

of

深圳市高新区南区科技南十路国际技术创新研究院

C

座

4

楼

TEL:0755-26996895     FAX:0755-26996830

1.0

POWER

1

10

Friday, December 31, 2010

Title

Size

Document Number

Rev

Date:

Sheet

of

深圳市高新区南区科技南十路国际技术创新研究院

C

座

4

楼

TEL:0755-26996895     FAX:0755-26996830

1.0

POWER

1

10

Friday, December 31, 2010

C302

22u/6.3V/N

C

C302

22u/6.3V/N

C

N4

LD1117A-3.3AZ1117H-3.3

N4

LD1117A-3.3AZ1117H-3.3

AD

J

1

VOUT

4

VIN

3

VOUT

2

R407

0R

R407

0R

N2

LD1117A-3.3AZ1117H-3.3

N2

LD1117A-3.3AZ1117H-3.3

AD

J

1

VOUT

4

VIN

3

VOUT

2

C28

2.2u/10V

C28

2.2u/10V

C33

100n/16V

C33

100n/16V

VD12

1N4148W/NC

VD12

1N4148W/NC

1

2

R6

1k

R6

1k

C34
100n/16V

C34
100n/16V

S4

D4

S4

D4

C263

220u/16V/NC

C263

220u/16V/NC

V28

MMBT3904LT1

V28

MMBT3904LT1

3

1

2

C9

2.2u/10V

C9

2.2u/10V

C56

100n/16V

C56

100n/16V

C21
100n/16V

C21
100n/16V

C59

100n/16V

C59

100n/16V

C3

100n/16V

C3

100n/16V

R22

4.7k

R22

4.7k

C45

2.2u/10V

C45

2.2u/10V

L4

STPB3216-121PT/NC 

L4

STPB3216-121PT/NC 

V6

MMBT3904LT1 

V6

MMBT3904LT1 

3

1

2

XP1

XP1

1
2
3
4
5
6
7
8
9
10
11
12
13
14

C264

220u/16V/NC

C264

220u/16V/NC

C40

100n/16V

C40

100n/16V

V29

MMBT3904LT1

V29

MMBT3904LT1

3

1

2

C29

100n/16V

C29

100n/16V

R18

100R

R18

100R

R13
18k

R13
18k

C13

100n/16V

C13

100n/16V

S5

D4

S5

D4

R34

1k

R34

1k

C52

100n/16V

C52

100n/16V

R3

100R

R3

100R

C35
100n/16V

C35
100n/16V

N3

MP1482 

N3

MP1482 

COMP

6

SW

3

FB

5

SS

8

IN

2

GND

4

EN

7

BS

1

R411
47k

R411
47k

C14

100n/16V

C14

100n/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

R2
10k

C286

100n/16V

C286

100n/16V

L5

33.0 uH

L5

33.0 uH

S6

D4

S6

D4

C38

100n/16V

C38

100n/16V

N6

AZ1084S-ADJ 

N6

AZ1084S-ADJ 

AD

J

1

VOUT

4

VIN

3

VOUT

2

V1

MMBT3904LT1 

V1

MMBT3904LT1 

3

1

2

XP2

XP2

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

C30

2.2u/10V

C30

2.2u/10V

C55

100n/16V

C55

100n/16V

C2

1n/50V

C2

1n/50V

C32

100n/16V

C32

100n/16V

L3

STPB3216-121PT

L3

STPB3216-121PT

R412

10k

R412

10k

C36
100n/16V

C36
100n/16V

R32

470R

R32

470R

N5

SPX1117M3-ADJLD1117A-ADJ 

N5

SPX1117M3-ADJLD1117A-ADJ 

AD

J

1

VOUT

4

VIN

3

VOUT

2

R24

0R

R24

0R

R408

10k/NC

R408

10k/NC

C10

100n/16V

C10

100n/16V

C58

100n/16V

C58

100n/16V

VD1

1N4148W/NC

VD1

1N4148W/NC

1

2

R30
4.7k

R30
4.7k

R35

470R

R35

470R

C49

100n/16V

C49

100n/16V

C4

100n/16V

C4

100n/16V

C47

100u/16V

C47

100u/16V

C48
100n/16V

C48
100n/16V

R25

100k

R25

100k

C31

100n/16V

C31

100n/16V

R413
10k

R413
10k

V7

MMBT3904LT1 

V7

MMBT3904LT1 

3

1

2

C11

2.2u/10V

C11

2.2u/10V

C283

10u/16V

C283

10u/16V

C44

100n/16V

C44

100n/16V

R1
10k/NC

R1
10k/NC

R28
4.7k

R28
4.7k

R4

0R

R4

0R

C23

1n/50V

C23

1n/50V

V3

MMBT3904LT1 

V3

MMBT3904LT1 

3

1

2

C42

100n/16V

C42

100n/16V

C287

1u/16V

C287

1u/16V

C60

100n/16V

C60

100n/16V

R12

1k

R12

1k

R414
10k

R414
10k

R21
4.7k

R21
4.7k

R20

0R/NC

R20

0R/NC

R10

10k

R10

10k

R409

1k

R409

1k

C22

100n/16V

C22

100n/16V

C50

100n/16V

C50

100n/16V

C16

2.2u/10V

C16

2.2u/10V

C24

47n/16V

C24

47n/16V

C284

100n/16V

C284

100n/16V

C54

100n/16V

C54

100n/16V

V2
MMBT3904LT1/NC 

V2
MMBT3904LT1/NC 

3

1

2

R7

10k

R7

10k

C25

100u/16V

C25

100u/16V

C18

2.

2u/10V

C18

2.

2u/10V

C17

100n/16V

C17

100n/16V

R19

1k

R19

1k

C43

100n/16V

C43

100n/16V

R415

10k

R415

10k

R27

75R/NC

R27

75R/NC

C285

100n/16V

C285

100n/16V

S2

D4

S2

D4

C26

220u/16V

C26

220u/16V

C37

100n/16V

C37

100n/16V

C19

100n/16V

C19

100n/16V

C51

100n/16V

C51

100n/16V

L1

STPB3216-121PT 

L1

STPB3216-121PT 

R31

470R

R31

470R

R29

0R

R29

0R

R33

2.2R/2W

R33

2.2R/2W

N1

AO3401L

N1

AO3401L

3

1

2

C27

100n/16V

C27

100n/16V

C41

100n/16V

C41

100n/16V

R410

22k

R410

22k

R26
2.2k

R26
2.2k

L2

STPB3216-121PT/NC

L2

STPB3216-121PT/NC

C20
100n/16V

C20
100n/16V

S3

D4

S3

D4

C265

100u/16V/NC

C265

100u/16V/NC

C39

100n/16V

C39

100n/16V

C53

100n/16V

C53

100n/16V

R416

0R/NC

R416

0R/NC

C15

100n/16V

C15

100n/16V

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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