Hisense 32LD840FT Скачать руководство пользователя страница 33

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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

寸

LED

电源板不带待机

，

+5V/+12V

要控制。

2011-01-27

，

By ZHIYUNAN

HI = > OFF

LO = > ON

For 32"/37"

for 40"/46"/55"

for 32" 37" only

for 40"/46"/55"

12V to 5V

BL-ON/OFF

BL-ADJUST

STANDBY

BL-ADJUST

BL-ON/OFF

STANDBY

BL-ON/OFF

STANDBY

PWR-ON/OFF

BL-ADJUST

5VAIN

1.32V

3.3VA

1.8VA

5VAIN

3.3Vstb

1.8VA

2.5VA

5Vstb

5VAIN

1.8VA

5VAIN

3.3VA

5VAIN

2.5VA

2.5V_Demod

5Vstb

5VAIN

1.32V

3.3VA

5VAIN

+12V

5VAIN

VCC-Panel

5VAIN

3.3VA

+12V

5Vstb

VVV

1.8VA

INV_12V

5Vstb

+12V

INV_12V

5Vstb

5VAIN

INV_12V

+12V_S

5Vstb

+12V

+5V_S

INV_12V

5VAIN

+12V_S

+5V_S

+12V

ADJ-PWM

PWR-ON/OFF

BL-ADJUST 2

ON_PBACK

ON_PANEL

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

POWER

Monday, June 27, 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

POWER

Monday, June 27, 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

POWER

Monday, June 27, 2011

C288
2.2u/10V

XP2

C44

100n/16V

C44

100n/16V

L35

STPB2012-121PT/NC

L35

STPB2012-121PT/NC

R431

4.7k

R431

4.7k

VD12

1N4148W/NC

VD12

1N4148W/NC

C38

100n/16V

C38

100n/16V

C110

100n/16V

C110

100n/16V

C58

100n/16V

C58

100n/16V

VD1

1N4148W/NC

VD1

1N4148W/NC

C11

2.2u/10V

C11

2.2u/10V

C23

1n/50V

C23

1n/50V

V32

MMBT3904LT1

V32

MMBT3904LT1

L59

STPB2012-121PT

L59

STPB2012-121PT

C19

100n/

16V

C19

100n/

16V

R410

22k

R410

22k

VD14
NC/SBR3A40SA

C29

100n/16V

C29

100n/16V

C14

100n/16V

C14

100n/16V

R429

10k

R429

10k

C73

100n/16V

C73

100n/16V

R204 NC/0R

XP15

1
2
3
4

C306

220u/16V

C306

220u/16V

R208

51k

R208

51k

C26

220u/16V

C26

220u/16V

100n/16V

STPB3216-121PT/NC

C53

100n/16V

C53

100n/16V

C21
100n/16V

100n/16V

R201

10k

R201

10k

R18

100R

R18

100R

R34

R25

100k

R25

100k

C287

1u/16V

C287

1u/16V

R414
10k

L42

BLM21PG220SN1D

L42

BLM21PG220SN1D

R19

4.7k

R19

4.7k

R415

10k

R415

10k

C104

100n/16V

C104

100n/16V

C145

10u/16V

C145

10u/16V

R31

470R

R31

470R

MMBT3904LT1

C147

100n/16V

C147

100n/16V

R2
10k

R412

10k

R412

10k

C293

220u/16V/NC

C293

220u/16V/NC

V28

MMBT3904LT1

V28

MMBT3904LT1

100R

R411
47k

R5
10k/NC

C32

100n/16V

C32

100n/16V

CA4

100u/16V

CA4

100u/16V

R416

0R/NC

R416

0R/NC

C34
100n/16V

MMBT3904LT1

C157

1n/50V

C157

1n/50V

R10

100R

R10

100R

C285

100n/16V

C285

100n/16V

R29

C510
10u/16V

LD1117A-3.3AZ1117H-3.3

ADJ

VOUT

VIN

VOUT

C12

100n/16V

C12

100n/16V

C310

NC/1u/16V

C310

NC/1u/16V

C46

100n/16V

C46

100n/16V

R225

33k

R225

33k

C136

100n/16V

C136

100n/16V

AZ1084S-ADJ

ADJ

VOUT

VIN

VOUT

C49

100n/16V

C49

100n/16V

R409

C22

100n/16V

C22

100n/16V

C24

47n/16V

C24

47n/16V

R13
20k/NC

C309

100n/16V

C309

100n/16V

C15

100n/16V

C15

100n/16V

L34

STPB2012-121PT

L34

STPB2012-121PT

R407

C59

100n/16V

C59

100n/16V

V34

MMBT3904LT1

V34

MMBT3904LT1

R24

R408

10k/NC

R408

10k/NC

R12

C16

2.2u/10V

C16

2.2u/10V

C37

100n/16V

C37

100n/16V

C103

100n/16V

C103

100n/16V

R23

0R/NC

R23

0R/NC

33.0 uH

1n/50V

R35

470R

R35

470R

C48
100n/16V

R59

4.7k

R59

4.7k

R430

0R/NC

R430

0R/NC

2.2u/10V

C56

100n/16V

C56

100n/16V

C35
100n/16V

2.2u/10V/NC

R50

4.7k

R50

4.7k

C137

100n/16V

C137

100n/16V

R30
4.7k

MMBT3904LT1

C42

100n/16V

C42

100n/16V

C60

100n/16V

C60

100n/16V

V33

MMBT3904LT1

V33

MMBT3904LT1

C17

100n/16V

C17

100n/16V

R218

10k/1%

R218

10k/1%

C27

100n/16V

C27

100n/16V

R62
56k/1%

R83

22k

R83

22k

C10

100n/16V

C10

100n/16V

C31

100n/16V

C31

100n/16V

MMBT3904LT1

C50

100n/16V

C50

100n/16V

C294

100u/16V/NC

C294

100u/16V/NC

STPB3216-121PT

C161

2.2n/50V

C161

2.2n/50V

R217

10k

R217

10k

N39

IRF7314/AO4801/3

N39

IRF7314/AO4801/3

D22

D21

D12

D11

C28

2.2u/10V

C28

2.2u/10V

C33

100n/16V

C33

100n/16V

C13

100n/16V

C13

100n/16V

L38

STPB2012-121PT

L38

STPB2012-121PT

XP1

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

C47

100u/16V

C47

100u/16V

R413
10k

R28
4.7k

R20

0R/NC

R20

0R/NC

CA30

100u/16V

CA30

100u/16V

CA20

100u/16V

CA20

100u/16V

C39

100n/16V

C39

100n/16V

LD1117A-3.3AZ1117H-3.3

ADJ

VOUT

VIN

VOUT

L41

15.0 uH

L41

15.0 uH

C286

100n/16V

C286

100n/16V

C55

100n/16V

C55

100n/16V

N26

AOZ1036P

N26

AOZ1036P

VIN

AGND

NC2

PGND

NC1

COMP

V2
MMBT3904LT1/NC

R33

2.2R/2W

R33

2.2R/2W

C41

100n/16V

C41

100n/16V

R26
2.2k

L37

STPB2012-121PT

L37

STPB2012-121PT

V29

MMBT3904LT1

V29

MMBT3904LT1

C509

10u/16V

C509

10u/16V

C52

100n/16V

C52

100n/16V

C106

100n/16V

C106

100n/16V

MP1482

COMP

GND

C57

100n/16V

C57

100n/16V

C36
100n/16V

SPX1117M3-ADJLD1117A-ADJ

ADJ

VOUT

VIN

VOUT

R21
4.7k

C43

100n/16V

C43

100n/16V

AO3401L

L36

STPB2012-121PT/NC

L36

STPB2012-121PT/NC

R219NC/0R

R22

4.7k

R22

4.7k

C45

2.2u/10V

C45

2.2u/10V

C160

100n/16V

C160

100n/16V

VZ4

NC/LM3Z6V2T1G

VZ4

NC/LM3Z6V2T1G

C30

2.2u/10V

C30

2.2u/10V

R432
47k

C284

100n/16V

C284

100n/16V

C25

100u/16V

C25

100u/16V

R27

75R/NC

R27

75R/NC

C51

100n/16V

C51

100n/16V

C107

100n/16V

C107

100n/16V

C133

100n/16V

C133

100n/16V

C40

100n/16V

C40

100n/16V

CA21

470u/16V

CA21

470u/16V

R60

10k

R60

10k

R32

470R

R32

470R

C283

10u/16V

C283

10u/16V

R1
10k

R203

22k

R203

22k

C54

100n/16V

C54

100n/16V

C18

2u/10V

C18

2u/10V

C308
10u/16V

C20
100n/16V

Содержание 32LD840FT

Страница 1: ...LCDTelevision Service Manual Chassis MSD309PX Ver 1 0 Hisense Electric Co Ltd March 2011...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 24: ...24 5 2 Image and signal process...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 32: ...32 6 Schematic circuit diagram 7 Explode View...

Страница 33: ...100n 16V C12 100n 16V C310 NC 1u 16V C310 NC 1u 16V C46 100n 16V C46 100n 16V R225 33k R225 33k C136 100n 16V C136 100n 16V N6 AZ1084S ADJ N6 AZ1084S ADJ ADJ 1 VOUT 4 VIN 3 VOUT 2 C49 100n 16V C49 100...

Страница 34: ..._DM_P0 B1 PAD_TCON9 COMP_DET R6 PAD_TCON11 HP_MUTE Y9 PAD_TCON2 FE_ANT5V_MONITOR AB10 PAD_TCON5 SC1_MUTE V5 PAD_GPIO_PM12 EDID_WP M6 PAD_GPIO_PM5 5V_HDMI_2 K4 PAD_GPIO5 ERROR_OUT D4 PAD_GPIO_PM1 5V_HD...

Страница 35: ...VssQ DQ5 VssDL CK Vdd RAS CK ODT CAS CS A2 A0 Vdd A6 A4 A11 A8 RFU NC Vss N13 H5PS5162FFR 25C A B C D E F G H J K L M N P R 1 2 3 7 8 9 Vdd NC Vss DQ14 VssQ UDM VddQ DQ9 VddQ DQ12 VssQ DQ11 Vdd NC Vs...

Страница 36: ...V7 ASES12U020R2 RV13 ASES12U020R2 RV13 ASES12U020R2 R151 100R R151 100R RV8 ASES12U020R2 RV8 ASES12U020R2 RV18 ASES12U020R2 RV18 ASES12U020R2 R149 10R R149 10R R164 10R R164 10R R185 10k R185 10k RV9...

Страница 37: ...92 1n 50V RV37 AVLC18S02015 RV37 AVLC18S02015 RV48 AVLC18S02015 RV48 AVLC18S02015 C97 47n 16V C97 47n 16V C130 47n 16V C130 47n 16V R472 0R NC R472 0R NC R421 0R NC R421 0R NC C116 2 2u 10V C116 2 2u...

Страница 38: ...AX 0755 26996830 1 0 USB 6 10 Monday June 20 2011 Title Size Document Number Rev Date Sheet of C 4 TEL 0755 26996895 FAX 0755 26996830 1 0 USB 6 10 Monday June 20 2011 L11 STPB3216 121PT NC L11 STPB32...

Страница 39: ...10 1N4148W VD10 1N4148W 1 2 VD6 BAV99LT1 VD6 BAV99LT1 1 3 2 L92 BLM18PG181SN1 L92 BLM18PG181SN1 R274 5 6k NC R274 5 6k NC C344 33n 50V C344 33n 50V R265 15k NC R265 15k NC C335 10u 16V C335 10u 16V C4...

Страница 40: ...16V C210 100n 16V L19 BLM18PG121SN1 L19 BLM18PG121SN1 C228 1u 16V C228 1u 16V C217 100n 16V C217 100n 16V R338 0R R338 0R C238 100n 16V C238 100n 16V C207 100n 16V C207 100n 16V R353 33R R353 33R R351...

Страница 41: ...100n 16V C300 100n 16V V23 MMBT3906LT1 NC V23 MMBT3906LT1 NC 3 1 2 C279 1n 50V C279 1n 50V C282 100n 16V C282 100n 16V C259 10n 50V NC C259 10n 50V NC C298 2 2u 10V C298 2 2u 10V R392 100R R392 100R N...

Страница 42: ...117 3 3 3 3Vstb 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 Monday June 20...

Страница 43: ...N801 102 C821 1K R807 1N4148 VD809 27R R813 W802 22R R816 680R R820 12V 12V 1000uF 25V C818 104 C815 VB 22R R814 801 810 RG1C VD811 100K 2W R837 1000P 1KV C831 N806 TL431L N807 2k R841 5k6 R850 200k...

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