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Hisense 32LD840FT, Руководство по обслуживанию

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Hisense 32LD840FT Скачать руководство пользователя страница 23

 

 

 

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Block diagram: 

 

 

P

OW

ER  BA

O

RD 

78D05 

12V 

AO3401 

Vcc-Panel 

N1 

N21 

5V-Tuner 

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 

N18 

3.3V-Demod 1.2V-Demod 

11117-1.2 

N19 

R2A15120FA 

N17 

Headphone 

XS16 

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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