Related Manuals for Hisense TLM42T08GP
Summary of Contents for Hisense TLM42T08GP
- Page 1 Liquid Crystal Display Television Service Manual Chassis： MST6M29HL Product Type：TLM42T08GP Ver 1.0 Hisense Electric Co.，Ltd. July, 2009...
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Page 2: Table Of Contents
4.3 TV won’t Power On........................- 27 - 4.4 Troubleshooting for Audio......................- 28 - 4.5 Troubleshooting for TV/VGA/HDMI input...................- 29 - 4.6 Troubleshooting for YPbPr input....................- 30 - 4.7 Troubleshooting for Video/S-Video input..................- 31 - 5. Schematic circuit diagram ........................- 32 - 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
Consequently, Hisense has 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 1.1.5 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. Hisense Confidential - 5 -...
- Page 6 (6) Do not disconnect or connect the connector while power to the product is on. It takes some time for the voltage to drop to a sufficiently low level after the power has been turned off. Confirm that the voltage has dropped to a safe level before Hisense Confidential - 6 -...
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Page 7: Notes
OFF the POWER Button and disconnect the power cable from the power source of the TV during servicing. • 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 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. 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 -...
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Page 10: Chassis Layout And Overall Wiring Diagrams
LCD TV Service Manual 2. Chassis Layout and Overall Wiring Diagrams Chassis Layout TLM42T08GP Description Part No. Type/Model PCB/ Model Main board 121882 RSAG2.908.1652\ROH RSAG7.820.1879\VER.B\ROH Power board 117644 RSAG2.908.1432\ROH RSAG7.820.1535\VER.C\ROH Filter board 119249 RSAG2.908.1433-1\ROH RSAG7.820.1534\VER.E\ROH 119225 Side AV board RSAG2.908.1409-1\ROH RSAG7.820.1547\VER.D\ROH （5）... -
Page 11: 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 3.1 Get ready for upgrading 3.1.1 Install the ISP_TOOL4.0.9-------only for the first time update. 1、 Port Setting： Choose “system”option from the “control panel” Hisense Confidential - 11 -... - Page 12 LCD TV Service Manual Click the “system” icon as the following Choose the “hardware” option from the dialog window Hisense Confidential - 12 -...
- Page 13 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 - 13 -...
- Page 14 LCD TV Service Manual Click the port of print （LPT1）as the following Choose “port setting”option as the following Hisense Confidential - 14 -...
- Page 15 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 - 15 -...
- Page 16 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 - 16 -...
- Page 17 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 - 17 -...
- Page 18 LCD TV Service Manual After having finished all above, clicking the “Apply ”button to complete the configuration。 3.1.2 Hardware connecting You can update the software through a special tool (as following) Hisense Confidential - 18 -...
- Page 19 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 - 19 -...
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Page 20: Upgrading With The Isp_Tool4.0.9
LCD TV Service Manual 3.2 Upgrading with the ISP_TOOL4.0.9 3.2.1 Double click the ISP_TOOL4.0.9 icon and a dialog window will show as following。 Click the“Read ”button。 Hisense Confidential - 20 -... - Page 21 LCD TV Service Manual Choose the update file from the folder。 Hisense Confidential - 21 -...
- Page 22 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 - 22 -...
- Page 23 LCD TV Service Manual If show above then click the“Run”button again and again，till show the following dialog window。 Hisense Confidential - 23 -...
- Page 24 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 - 24 -...
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Page 25: 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 - 25 -... -
Page 26: Troubleshooting For Function Key
4.2 Troubleshooting for Function Key Buttons does not work Check solder connections and Check switches see if any switches are stuck. Replace Key BD Check key board Check Key BD cable Change Key BD Replace main board Hisense Confidential - 26 -... -
Page 27: Tv Won't Power On
Try Power on by Check signal RC and Button Panel Bright Source Neither Both works Work Replace Main Replace Main BD Power on Replace Panel (to contact Hisense tech support.) Replace Power BD Hisense Confidential - 27 -... -
Page 28: Troubleshooting For Audio
LCD TV Service Manual 4.4 Troubleshooting for Audio No sound Reconnect Check connecter Replace speaker wire Check speaker wire Replace speaker set Check speaker set Replace main board Power Supply Board Hisense Confidential - 28 -... -
Page 29: Troubleshooting For Tv/Vga/Hdmi Input
LCD TV Service Manual 4.5 Troubleshooting for TV/VGA/HDMI input No picture on the screen Check Signal Source Make sure signal source is available Reconnect Check connect Check cable Replace cable Replace main board Hisense Confidential - 29 -... -
Page 30: Troubleshooting For Ypbpr Input
LCD TV Service Manual 4.6 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 - 30 -... -
Page 31: Troubleshooting For Video/S-Video Input
LCD TV Service Manual 4.7 Troubleshooting for Video/S-Video input No picture on the screen Check Source work or not Check Signal Source Reconnect Check connect Replace Cable/Wires Check Cable/ Wires Replace main board Hisense Confidential - 31 -... -
Page 32: Schematic Circuit Diagram
LCD TV Service Manual 5. Schematic circuit diagram Hisense Confidential - 32 -... - Page 33 +12V 5Vstb CA15 CA15 CA16 CA16 CA17 CA17 100uF/25V 100uF/25V 100uF/16V 100uF/16V 100uF/16V 100uF/16V 使用主板上的主5V XP10 XP10 VDD1 DMP interface USB3_5V VDD2 USB2_5V VDD2 VDD1 USB1_5V DMP-R DMP-L DMP-R DMP-L 5 MR_OUT ML_OUT DMP_Y DMP_PB DMP_Y DMP_PB 5 Y_OUT PB_OUT DMP_PR DMP_PR PR_OUT...
- Page 34 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) 5Vstb +12V +5VA 0.1uF 0.1uF 0.1uF 0.1uF 2K/4.7K 2K/4.7K 10R/2W 10R/2W 10R/2W 10R/2W VOUT 5Vstb POWER-ON/OFF 10 4.7K 4.7K R10 4.7K R10 4.7K R450 NC/0 R450 NC/0 ON_PANEL ON_PANEL 4.7K 4.7K 3904...
- Page 35 +3.3Vstb 5Vstb NC/4.7K NC/4.7K Vcc_EEP VDDP 4.7K 4.7K 0.1uF 0.1uF Vcc_EEP Vcc_EEP Vcc_EEP Vcc_EEP Added By WLP BAV99 BAV99 4.7K 4.7K 4.7K 4.7K 4.7K 4.7K 20071105 AVDDA 100uF/16V 100uF/16V 10uF/0805 10uF/0805 WP_EEP EEP_SCL EEP_SDA +3.3Vstb 3906 3906 SYS_RST 24C64 24C64 SDA_OUT SDA_OUT SCL_OUT...
- Page 36 HDMI1 VCC_HDMI I2C ADDR: Control：0x9C EDID Shadow：0x9E R106 R106 R107 R107 R108 R108 R104 R104 NC_0 NC_0 R105 R105 INPAQ-Vport INPAQ-Vport INPAQ-Vport INPAQ-Vport INPAQ-Vport INPAQ-Vport INPAQ-Vport INPAQ-Vport INPAQ-Vport INPAQ-Vport INPAQ-Vport INPAQ-Vport INPAQ-Vport INPAQ-Vport INPAQ-Vport INPAQ-Vport 4.7K 4.7K 4.7K 4.7K 4.7K 4.7K VCC_HDMI R109...
- Page 37 VGA-DDC-5V PC-L PC-Lin PC-Lin 9 VGA/5V R159 R159 PC-R PC-Rin PC-Rin 9 R160 R160 +5VA C159 C159 R161 R161 C160 C160 R162 R162 PHONEJACK PHONEJACK TXD0 BAT54C BAT54C RXD0 INPAQ_VPORT INPAQ_VPORT 560pF 560pF 560pF 560pF INPAQ_VPORT INPAQ_VPORT INPAQ_VPORT INPAQ_VPORT INPAQ_VPORT INPAQ_VPORT 5VPI +5VA...
- Page 38 +5VA 5VPI HD1_l R187 R187 HD1_Lin HD1_Lin 9 白 白 C167 C167 R189 R189 HD1_R R188 R188 HD1_Rin 10uF 10uF HD1_Rin 9 红 红 C168 C168 R190 R190 C169 C169 R191 R191 R192 R192 R193 R193 560pF 560pF 560pF 560pF +5VA R198 R198...
- Page 39 增加 By WLP 20071103 AV2-Vin/SC1-Vin0 R241 R241 AV2-Vin/SC1-Vin AV2-Vin/SC1-Vin0 AV2-Vin/SC1-Vin 2 R242 R242 C193 C193 C194 C194 R243 R243 TV2-Vin+ TV2-Vin+ NC/330pF NC/330pF NC/330pF NC/330pF C196 C196 R244 R244 C195 C195 INPAQ_VPORT INPAQ_VPORT NC/330pF NC/330pF NC/330pF NC/330pF AV2-Lin/SC1-Lin0 AV2-Lin/SC1-Lin R246 R246 TV2-Vin- R245...
- Page 40 U23 PIN2 connected to PIN1 B/G,DK,I,L U23 PIN2 connected to GND L' I2C ADDRESS(R263 NC): 5V-OUT READ is 0X87 5V-OUT R308 R308 R309 R309 R310 R310 WRITE is 0X86 4.7K 4.7K R311 R311 R312 R312 4.7K 4.7K 4.7K 4.7K VD20 VD20 IN4148 IN4148...
- Page 41 R349 0 R349 0 6VBuf1 +12V +12V R350 NC R350 NC VD25 VD25 VCC-A R351 R351 +12V VD32 IN4148 VD32 IN4148 10V NC 10V NC CA10 CA10 AMP-MUTE2 AMP-MUTE2 100uF/16V 100uF/16V R358 R358 R356 NC R356 NC R357 R357 R352 R352 IN4148 IN4148...
- Page 42 IR Transmitter IR Transmitter R418 R418 SPDIF_RCAOUT SPDIF_RCAOUT R417 R417 C300 C300 NC/100pF NC/100pF INPAQ_VPORT INPAQ_VPORT KFO-TX13CB KFO-TX13CB M-AV1-180-HX M-AV1-180-HX +5VA R428 R428 R427 R427 CA14 CA14 100uF/16V 100uF/16V HD1_Lin C302 C302 2.2uF 2.2uF MUX-Lin1 MUX-Lin1 2 HD1_Lin HD2_Lin C301 C301 2.2uF 2.2uF...
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