Hisense LCD40V57CA Service Manual
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Hisense LCD40V57CA Service Manual

Hisense LCD40V57CA Service Manual

Liquid crystal display television, chassis: mst6
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Liquid Crystal Display Television
Service Manual
Chassis： MST6
Product Type：LCD40V57CA
Ver 1.0
Hisense Electric Co.，Ltd.
May. 2008

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Summary of Contents for Hisense LCD40V57CA

  • Page 1 Liquid Crystal Display Television Service Manual Chassis： MST6 Product Type：LCD40V57CA Ver 1.0 Hisense Electric Co.，Ltd. May. 2008...

  • Page 2: Table Of Contents

    7.5 Troubleshooting for TV/VGA/HDMI input...................- 41 - 7.6 Troubleshooting for YPbPr input....................- 42 - 7.7 Troubleshooting for Video/S-Video/ SCART input ...............- 43 - 8. Explode View and explode BOM List .....................- 44 - 9. Schematic circuit diagram ........................- 45 - Hisense Confidential - 2 -...

  • Page 3: Service Manual

    WHEN REPLACEMENT PARTS ARE REQUIRED, BE SURE TO USE REPLACEMENT PARTS SPECIFIED BY THE MANUFACTURER. Proper service and repair is important to the safe, reliable operation of all Hisense Electric Co., Ltd Equipment. The service procedures recommended by Hisense and described in this Service Guide are effective methods of performing service operations.

  • Page 4: Warning

    LCD TV Service Manual not undertaken any such broad evaluation. Accordingly, a serviceman that uses a service procedure or tools, which are not recommended by Hisense, must first satisfy himself thoroughly that neither his safety nor the safe of the equipment will be jeopardized by the service method selected.
  • Page 5 Safety regulations require that after a repair the set must be returned in its original condition. In particular attention should be paid to the following points. -Note: The wire trees should be routed correctly and fixed with the mounted Hisense Confidential - 5 -...
  • Page 6 Confirm that the voltage has dropped to a safe level before disconnecting or connecting the connector. Hisense Confidential - 6 -...

  • Page 7: Notes

    • To prevent electric shock and breakage of PC board, start the servicing work at least 30 seconds after the main power has been turned off. Especially when installing and removing the power board, start servicing at least 2 minutes after the main power has Hisense Confidential - 7 -...
  • Page 8 • Do not stack the circuit boards. Failure to observe this precaution may result in problems resulting from scratches on the parts, the deformation of parts, and short-circuits due to residual electric charge. • Routing of the wires and fixing them in position must be done in accordance with Hisense Confidential - 8 -...
  • Page 9 The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the set. Hisense Confidential - 9 -...

  • Page 10: Product Function Specifications

    LCD TV Service Manual 2. Product Function Specifications 2.1 Product Function Note: The above figures are reference only, please refer to the actual units to determine the appearances. Hisense Confidential - 10 -...

  • Page 11: Specifications

    LCD TV Service Manual 2.2 Specifications Hisense Confidential - 11 -...

  • Page 12: Lcd Panel Spec

    LCD TV Service Manual 3. LCD Panel Spec 3.1 General Description SN：1050558 Hisense Confidential - 12 -...

  • Page 13: General Features

    LCD TV Service Manual 3.2 General Features Hisense Confidential - 13 -...

  • Page 14: Chassis Layout And Overall Wiring Diagrams

    Part No Type/Model PCB/ Model 116622 RSAG2.908.1102-15/ROH Main BD RSAG7.820.1138VER.D/ROH 113358 RSAG2.908.982-4/ROH Power BD RSAG7.820.968VER.H/ROH 116706 RSAG2.908.1153-3 Terminal BD RSAG7.820.1126VerB/ROH 113354 RSAG2.908.1088/ROH Keypad PCA RSAG7.820.1101VER.B/ROH 112613 RSAG2.908.1029/ROH IR Board RSAG7.820.996VER.C/ROH 1046574 B-700-500 luminophor Not PCB Hisense Confidential - 14 -...

  • Page 15: Main Bd

    LCD TV Service Manual 4.2 Main BD CON10 CON8 Location No. SPECIFICATION Description CON10 PH2.54X8.5 2X30P 90\ROH connect Main BD and Terminal BD CON8 FF-HX19-10\ROH LVDS Hisense Confidential - 15 -...

  • Page 16: Power Bd

    LCD TV Service Manual 4.3 Power BD 4.4 Terminal Board Hisense Confidential - 16 -...

  • Page 17: Wires And Cables Overall Wiring Diagrams

    LCD TV Service Manual 4.4 Wires and Cables Overall Wiring Diagrams XP809 XP808 XP812 XP801 4Pin 3pin 14Pin XPA2 XPA1 CON8 Main BD XPA6 XPA5 XPA4 XPA3 3 Pin 8pin Speakers xpk1 XP113 luminophor Key BD IR BD Hisense Confidential - 17 -...
  • Page 18 Power BD XP808<--> Terminal BD XPA2 Buttons TJC10T-3Y-1100\ROH Terminal BD XPA4<--> Key BD XPK1 TJC10T-8Y-700\ROH Terminal BD XPA3<-->IR BD XP113 LVDS signal HX2-2X15KLB600P-SAM\ROH Main BD CON8<-->Panel Audio( input/output) TJC3H-4Y-500-900\ROH Terminal BD XPA6<--> Speaker luminophor B-700-500 Terminal BD XPA5<-->Luminophor Hisense Confidential - 18 -...

  • Page 19: Factory/Service Osd Menu And Adjustment

    White Balance White Balance Auto Test R DRV Auto Calibration G DRV LOGO B DRV OSD Language R CUT Country G CUT Option B CUT Factory Init BRIGHT_H Test Pattern CONTRAST _H Version: BRIGHT_L CONTRAST_L Hisense Confidential - 19 -...
  • Page 20 Option Factory Init SOURCE QingDao BRIGHT 0 HuangDao BRIGHT 50 Guiyang BRIGHT 100 shunde CONTRAST 0 Hungary CONTRAST 50 France CONTRAST 100 150 Australia TOFAC CLEAR PROTECTLY HDMI Cable Standard CLEAR UNPROTECTLY DQS PHASE Turkey Hisense Confidential - 20 -...
  • Page 21 LCD TV Service Manual Test Pattern Version BLUE Version: LCD40V57CA_VER1.00.200806X Panel Type: SAM 40 (1366*768) FLASH : PS25P40 5.2.2、Design Menu Design Menu Picture Mode Sound Mode Sound Settings Power Save PIP Option MOVESHARPNESS LipSync Hisense Confidential - 21 -...
  • Page 22 VOLUME 0 VOLUME 1 VOLUME 20 VOLUME 40 VOLUME 100 TVPRE SCALER VOLUME SCALER 0 Note ： The above “Factory/Service OSD Menu” are reference only, please refer to the actual units to determine the appearances. Hisense Confidential - 22 -...

  • Page 23: Software Upgrading

    The software is upgraded by a burning tool- ISP_TOOL4.0.9, which can burn the program file“*．bin”to the main board of the unit 6.1 Get ready for upgrading 6.1.1 Install the ISP_TOOL4.0.9-------only for the first time update. 1、 Port Setting： Choose “system”option from the “control panel” Hisense Confidential - 23 -...
  • Page 24 LCD TV Service Manual Click the “system” icon as the following Choose the “hardware” option from the dialog window Hisense Confidential - 24 -...
  • Page 25 LCD TV Service Manual Click“device management” icon as the following Choose the port (COM and LPT1) Choose the ECP print port (LPT1） Hisense Confidential - 25 -...
  • Page 26 LCD TV Service Manual Click the port of print （LPT1）as the following Choose “port setting”option as the following Hisense Confidential - 26 -...
  • Page 27 Find the folder where the ISP_TOOL4.0.9 lies in. 2、 There are three folders/files in this folder together. DLPORTIO.dll and FTD2XX.DLL must be in the same folder Double click the ISP_TOOL4.0.9 icon, and then a dialog window will show as below. Hisense Confidential - 27 -...
  • Page 28 Base Addr setting is 0x378 Draw on the front of “pin 1 switch UART/I2c” Speed setting is 99 As following Choose“SDA in”and setting “PIN” is “PIN10”。 Notes: Do not draw on the front of “Reverse High”。 As following Hisense Confidential - 28 -...
  • Page 29 As following Choose “SDA out”and setting “PIN” is “PIN4” Notes: Draw on the front of “Reverse High”。 As following。 Choose “SCL out”and setting “PIN” is “PIN2” Notes: Draw on the front of “Reverse High” As following Hisense Confidential - 29 -...
  • Page 30 LCD TV Service Manual After having finished all above, clicking the “Apply ”button to complete the configuration。 6.1.2 Hardware connecting You can update the software through a special tool (as following) Hisense Confidential - 30 -...
  • Page 31 LCD TV Service Manual Connect the Debug board to the TV use VGA interface, the other parallel port to the computer, just as the following。 Hisense Confidential - 31 -...

  • Page 32: Upgrading With The Isp_Tool4.0.9

    LCD TV Service Manual 6.2 Upgrading with the ISP_TOOL4.0.9 6.2.1 Double click the ISP_TOOL4.0.9 icon and a dialog window will show as following。 Click the“Read ”button。 Hisense Confidential - 32 -...
  • Page 33 LCD TV Service Manual Choose the update file from the folder。 Hisense Confidential - 33 -...
  • Page 34 LCD TV Service Manual The update file has been chosen successfully。 Click the“Auto”button and choose parameters as following。 Click the“Run”button Click the“connect”button,then show a dialog box as following。 Hisense Confidential - 34 -...
  • Page 35 LCD TV Service Manual If show above then click the“Run”button again and again，till show the following dialog window。 Hisense Confidential - 35 -...
  • Page 36 If the update is successful, enter Factory Init Menu and select “Clear Unprotectly” a. Press VOL+ button to clear the EEPROM data. b. When the “Clear Unprotectly ” button becomes white, turn off the power. c. Restart the TV. Hisense Confidential - 36 -...

  • Page 37: Troubleshooting

    Try new batteries Replace battery Replace RC Replace remote control Check IR receiver Change Led & IR board Replace Led & IR BD Change Led & IR cable Replace Led & IR cable Replace main board Hisense Confidential - 37 -...

  • Page 38: Troubleshooting For Function Key

    LCD TV Service Manual 7.2 Troubleshooting for Function Key Buttons does not work Replace tact switch Check switches Replace Key BD Check key board Check Key BD cable Change Key BD cable Replace main board Hisense Confidential - 38 -...

  • Page 39: Tv Won't Power On

    Check/replace IR Only BD or Keypad one works Try Power on by Check signal RC and Button OSD? Source Neither Both works Work Replace Main Replace Main BD Power on Replace Panel Replace Power BD Hisense Confidential - 39 -...

  • Page 40: Troubleshooting For Audio

    LCD TV Service Manual 7.4 Troubleshooting for Audio No sound Reconnect Check connecter Replace speaker wire Check speaker wire Replace speaker set Check speaker set Replace main board Hisense Confidential - 40 -...

  • Page 41: Troubleshooting For Tv/Vga/Hdmi Input

    LCD TV Service Manual 7.5 Troubleshooting for TV/VGA/HDMI input No picture on the screen Check Signal Source Make sure signal source is available Reconnect Check connect Replace cable Check cable Replace main board Hisense Confidential - 41 -...

  • Page 42: Troubleshooting For Ypbpr Input

    LCD TV Service Manual 7.6 Troubleshooting for YPbPr input No picture on the screen Check Source work or not Check Source Device Reconnect Check connect Check Wires (Green Blue, Red) Replace wires Replace main board Hisense Confidential - 42 -...

  • Page 43: Troubleshooting For Video/S-Video/ Scart Input

    7.7 Troubleshooting for Video/S-Video/ SCART input No picture on the screen Check Source work or not Check Signal Source Reconnect Check connect Replace Cable/Wires Check Cable/ Wires Check SCART BD Replace SCART BD Replace main board Hisense Confidential - 43 -...

  • Page 44: Explode View And Explode Bom List

    LCD TV Service Manual 8. Explode View and explode BOM List Explode BOM List ： LCD40V57CA Part Name Num. Code No. Remark lamp bar unit B-700-500 LCD PANEL LTA400AA04 IR Board Unit RSAG2.908.102 Key Board Unit RSAG2.908.108 Main Board Unit RSAG2.908.1101-15...

  • Page 45: Schematic Circuit Diagram

    LCD TV Service Manual 9. Schematic circuit diagram Hisense Confidential - 45 -...
  • Page 46 LCD40V57CA...
  • Page 47 LCD Power VPANEL_IN IRF7314 IRF7314 VCC-Panel +12V NC/600(4.5X3.2) NC/600(4.5X3.2) 600(4.5X3.2) 600(4.5X3.2) R337 R337 4.7K 4.7K 5Vstb 5Vstb POWER-ON/OFF +12V +5VA 0.1uF 0.1uF 0.1uF 0.1uF R336 R336 R341 R341 Normal: L R347 R347 10R/2W 10R/2W 10R/2W 10R/2W 0.1uF 0.1uF VOUT Standby:H 5Vstb CA58 CA58...
  • Page 48 +3.3Vstb 5Vstb R477 R477 VDDP 0/NC 0/NC R476 R476 D401 D401 CA110 CA110 BAV99 BAV99 IN4148/NC IN4148/NC AVDDA +3.3AVDD 100uF/16V 100uF/16V VBUS R170 R170 R706 R706 R102 R102 NC/4.7K NC/4.7K 3906 3906 R104 R104 4.7K 4.7K R234 R234 R235 R235 SYS_RST R475 R475...
  • Page 49 HDMI1-RX2+ R310 R310 R1_TX2+ R1_TX2+ 2 DATA2+ HDMI1-RX2- R311 R311 R1_TX2- R1_TX2- 2 DATA2 SHIELD HDMI1-RX1+ R312 R312 G1_TX1+ G1_TX1+ 2 DATA2- HDMI1-RX1- G1_TX1- R313 R313 G1_TX1- 2 GND1 DATA1+ HDMI1-RX0+ R314 R314 B1_TX0+ B1_TX0+ 2 DATA1 SHIELD HDMI1-RX0- R315 R315 B1_TX0- B1_TX0- 2...
  • Page 50 VGA-DDC-5V PC-L PC-Lin PC-Lin 9 VGA/5V R396 R396 PC-R PC-Rin PC-Rin 9 R397 R397 +5VA C260 C260 R294 R294 C259 C259 R295 R295 VGA AUDIO VGA AUDIO TXD0 BAT54C BAT54C D101 D101 RXD0 INPAQ_VPORT INPAQ_VPORT 560pF 560pF 560pF 560pF INPAQ_VPORT INPAQ_VPORT INPAQ_VPORT INPAQ_VPORT...
  • Page 51 +5VA 5VPI HD1_L R419 R419 HD1_Lin HD1_Lin 白 白 C281 C281 HD1_R R387 R387 HD1_Rin 10uF 10uF HD1_Rin 红 红 D130 D130 D127 D127 C295 C295 R323 R323 C290 C290 R324 R324 560pF 560pF 560pF 560pF INPAQ_VPORT INPAQ_VPORT INPAQ_VPORT INPAQ_VPORT 5VPI R150 R150...
  • Page 52 S-Video Input SV1-C SV1-Cin R180 R180 SV1-Cin 2 D137 D137 R181 R181 C225 C225 C219 C219 NC/330pF NC/330pF NC/330pF NC/330pF INPAQ_VPORT INPAQ_VPORT TV1-V R192 R192 TV1-Vin+ 5 6 7 TV Input TV1-V TV1-Vin+ 2 SV1-Y R183 R183 SV1-Yin SV1-Yin 2 D138 D138 C191...
  • Page 53 U23 PIN2 connected to PIN1 B/G,DK,I,L TUNER_IF TUNER_IF U23 PIN2 connected to GND L' I2C ADDRESS(R263 NC): R275 R275 +5VA 5V-OUT 5V-OUT AGND NC/10K NC/10K READ is 0X87 R226 R226 R223 R223 R224 R224 WRITE is 0X86 4.7K 4.7K R241 R241 R257 R257...
  • Page 54 R713 220 R713 220 6VBuf1 +12V +12V R714 NC R714 NC VCC-A R437 R437 R737 R737 CA16 CA16 CA20 CA20 100uF/16V 100uF/16V R458 R458 0/NC 0/NC PH-Lout R702 NC R702 NC R704 R704 R414 R414 IN4148 IN4148 R415 R415 OP_VCC1 R703 R703 D703...
  • Page 55 +5VA R369 R369 R364 R364 CA21 CA21 100uF/16V 100uF/16V HD1_Lin C392 C392 2.2uF 2.2uF MUX-Lin1 MUX-Lin1 2 HD1_Lin HD2_Lin C353 C353 2.2uF 2.2uF HD2_Lin PC-Lin C381 C381 2.2uF 2.2uF PC-Lin DMP-Lin/DTV-Lin C395 C395 2.2uF 2.2uF MUX-Rin1 MUX-Rin1 2 DMP-Lin/DTV-Lin +5VA HD1_Rin C393 C393...
  • Page 56 +12V 5Vstb CA62 CA62 CA63 CA63 CA64 CA64 100uF/16V 100uF/16V 100uF/16V 100uF/16V 100uF/16V 100uF/16V VBUS +12V VCC_USB5V CN11 CN11 DVBIFN USB3_5V DVBIFN DVBIFP DVBIFP USB2_5V RF_AGC_OUT USB1_5V RF_AGC_OUT IF_AGC_EXT USB1_5V IF_AGC_EXT DMP-R/DTV-R DMP-L/DTV-L DMP-R/DTV-R DMP-L/DTV-L MR_OUT ML_OUT DMP_Y DMP_PB DMP_Y DMP_PB 5 Y_OUT PB_OUT...
  • Page 57 SC1-Vin R167 R167 SC1-Vin1 SC1-FS R389 R389 SC1-FSIN SC1-Vin1 SC1-FSIN 2 D122 D122 D125 D125 R169 R169 C197 C197 C199 C199 C202 C202 R177 R177 NC/470 NC/470 R149 R149 DTV_SOG/SC1-SOG PVR_Rin/Scart1_Rout DTV_SOG/SC1-SOG PVR_Rin/Scart1_Rout NC/330pF NC/330pF NC/330pF NC/330pF 0.1U 0.1U SC1-Rin PVR_Lin/Scart1_Lout PVR_Lin/Scart1_Lout INPAQ_VPORT...

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