Related Manuals for Hisense LTD42W29NUS
Summary of Contents for Hisense LTD42W29NUS
- Page 1 LCD Television Service Manual Chassis： MT5380 Product Type： LTD42W29NUS(NX4203P) LTD47W29US(NX4703P) Ver 1.0 Hisense Electric Co.，Ltd. Sep., 2008...
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Page 2: Table Of Contents
7.5 Troubleshooting for TV/VGA/HDMI input..................- 34 - 7.6 Troubleshooting for YPbPr input......................- 35 - 7.7 Troubleshooting for Video/S-Video input.....................- 36 - 8. Explode View and Explode Bom List......................- 37 - 9. Schematic circuit diagram ..........................- 37 - 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
Hisense, must first satisfy himself thoroughly that neither his safety nor the safe of the equipment will be jeopardized by the service method selected. Hereafter throughout this manual, Hisense Electric Co., Ltd will be referred to as Hisense. 1.1 Warning 1.1.1... - Page 5 In particular attention should be paid to the following points. -Note: The wire trees should be routed correctly and fixed with the mounted cable clamps. -The insulation of the mains lead should be checked for external damage. 1.1.6 Hisense Confidential - 5 -...
- Page 6 (7) Do not pull out or insert the power cable from/to an outlet with wet hands. It may cause electric shock. (8) Do not damage or modify the power cable. It may cause fire or electric shock. Hisense Confidential - 6 -...
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Page 7: Notes
2 minutes after the main power has been turned off. • While the main power is on, do not touch any parts or circuits other than the ones Hisense Confidential - 7 -... - Page 8 • Routing of the wires and fixing them in position must be done in accordance with the original routing and fixing configuration when servicing is completed. All the wires are routed far away from the areas that become hot (such as the heat sink). These wires are 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: Product Function Specifications
LCD TV Service Manual 2. Product Function Specifications 2.1 Product Function Front Cabinet Hisense Confidential - 10 -... - Page 11 LCD TV Service Manual Back Cabinet Hisense Confidential - 11 -...
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Page 12: Specifications
LCD TV Service Manual 2.2 Specifications NOTE: Specifications and design are subject to possible modifications without notice Due to improvements。 Hisense Confidential - 12 -... - Page 13 LCD TV Service Manual NOTE: Specifications and design are subject to possible modifications without notice Due to improvements。 Hisense Confidential - 13 -...
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Page 14: Lcd Panel Spec
LCD TV Service Manual 3. LCD Panel Spec 3.1 LTD42W29NUS： Panel：V4 20H1-L11 3.1.1 General Description V420H1-L11 is a 42” TFT Liquid Crystal Display module with 16-CCFL Backlight unit and 2-channel LVDS interface. This module supports 1920 x 1080 HDTV format and can display 16.7M colors (8-bits colors).The inverter module for backlight is building in. - Page 15 LCD TV Service Manual 3.1.2 General Features Hisense Confidential - 15 -...
- Page 16 V470H1-L03 is a 47” TFT Liquid Crystal Display module with 20-CCFL Backlight unit and 2-channel LVDS interface. This module supports 1920 x 1080 HDTV format and can display 16.7M colors (8-bits colors).The inverter module for backlight is building in. 3.2.2 General Features Hisense Confidential - 16 -...
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Page 17: Chassis Layout And Overall Wiring Diagrams
LCD TV Service Manual 4. Chassis Layout and Overall Wiring Diagrams 4.1 Boards and Chassis Layout LTD42W29NUS Description Part No. Type/Model PCB/ Model Main Board 117195 RSAG2.908.1375\ROH RSAG7.820.1525\VER.A\ROH Power Board 114674 RSAG2.908.982-11\ROH RSAG7.820.968\VER.H\ROH AV Board 117197 RSAG2.908.1380\ROH RSAG7.820.1361\VER.B\ROH Keypad PCA 113354 RSAG2.908.1088\ROH... -
Page 18: Wires And Cables Overall Wiring Diagram(S)
Power BD XP808<--> Main BD XP5 +5V, +12V supply to Main BD TJC10T-14Y-250\ROH Main BD XP3<-->Power BD XP812 10-1 Backlight Power HX-3005B450\ROH Power BD XP809<--> Panel left backlight port 10-2 Backlight Power HX-3004B550\ROH Power BD XP815<--> Panel right backlight port Hisense Confidential - 18 -... - Page 19 Main BD J1201<-->I/O CON BD XP01 Backlight Power HX3006B700\ROH Power BD XP807<--> Panel left backlight port 10-1 10-2 Backlight Power HX2-1X12S700\ROH Power BD XP810<--> Panel right backlight port Audio Amplifily TJC10T-4Y-350\ROH Power BD XP808<--> Main BD J103 Hisense Confidential - 19 -...
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Page 20: Factory/Service Osd Menu And Adjustment
For Component Video Notes: a、Press “M” button and enter factory mode. b、Press “Menu” button and enter factory OSD menu. c、Select the item “Auto Color”. d、Press VOL+ button to auto color. e、Close the OSD menu after 5 seconds. Hisense Confidential - 20 -... -
Page 21: Designer Menu
Press VOL+ button to clear the EEPROM data. c. Close the OSD menu after 5 seconds. d. Restart the TV. 5.3 Designer Menu 5.3.1 Video Mode Standard： S-Video Component HDMI R Gain G Gain B Gain Hisense Confidential - 21 -... - Page 22 G Gain B Gain 5.3.2 Video Curve: S-Video Component HDMI Bright Max Bright Min Bright Mid Contrast Contrast Min Contrast Mid Saturation Saturation Saturation Hue Max 1000 1000 1000 1000 1000 1000 Hue Min Hue Mid Hisense Confidential - 22 -...
- Page 23 Movie Bright Movie Contrast Movie Saturation ： 5.3.4 Volume Curve AV/ S-Video component HDMI Note：Set Downmix to “Lt/Rt”. The above “Factory/Service OSD Menu” are reference only, please refer to the actual units to determine the appearances. Hisense Confidential - 23 -...
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Page 24: Software Upgrading
Connect the unit to your pc with a USB-to-serial port cable. USB port connects to your pc, and serial port to the TV’s RS232 port. USB connector: to PC. Serial connector: to TV’s RS232 port. Hisense Confidential - 24 -... - Page 25 LCD TV Service Manual For the first connecting, the pc will recognize and automatically install the USB device. The process is just like the installation of a mini disk, see the following picture. Hisense Confidential - 25 -...
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Page 26: Upgrading With The Mtktool
2—Refer to the next page instruction to select the communicate port. 3—Press the icon beside the baud rate and make sure it is green as the below picture. 4—Set the flash baud rate to 115200 as the below picture. Hisense Confidential - 26 -... - Page 27 5—Click the browse button to select the *.bin file that will be updated. 6—Click the “start” button to update software. Select mode Communicate Flash Select *.bin of Flash chip port Baud Rate file Start upgrade Information upgrade process Hisense Confidential - 27 -...
- Page 28 Note: Where or not click the “Auto Set Flash Baud Rate” in the “window” menu depends on the chip type. If the flash chip does not support high speed transport, do not select this option; otherwise, reserve the selected mood. Hisense Confidential - 28 -...
- Page 29 LCD TV Service Manual Click “Browse” button, find the upgrading program file, and select it. Press “Upgrade” button and start upgrading. The following interface appears on the screen, indicating upgrading successfully. Hisense Confidential - 29 -...
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Page 30: 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 - 30 -... -
Page 31: 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 Replace main board Hisense Confidential - 31 -... -
Page 32: 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 - 32 -... -
Page 33: 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 Replace PSU Hisense Confidential - 33 -... -
Page 34: 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 Check cable Replace cable Replace main board Hisense Confidential - 34 -... -
Page 35: 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 - 35 -... -
Page 36: Troubleshooting For Video/S-Video Input
LCD TV Service Manual 7.7 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 - 36 -... -
Page 37: Explode View And Explode Bom List
LCD TV Service Manual 8. Explode View and Explode Bom List 9. Schematic circuit diagram Hisense Confidential - 37 -... - Page 38 R1427 Q1420 0.1uF OPWM1 OPWM1 OPWM1 10k/NC 2N3904 OIRI R1425 4.7K GPIO Definition RF_AGC Hisense Electric Co.,LTD R1430 IF_AGC IF AGC FOR TUNER BL_ON/OFF R1431 HISENSE SHENZHEN R&D +3V3SB R1433 R1432 4.7K Q1430 10k/NC Suite 406,langfeng Bldg,#2 Kefa Road Nanshan District,Shenzhen,China...
- Page 39 CB270 CB269 330uF/25v 0.1uF 0.1uF ADJ/GND C271 CE217 0.01uF 0.1uF BA178M09FP 220uF/16v Hisense Electric Co.,LTD POWER SUPPLY +5V FOR TUNER HISENSE SHENZHEN R&D Suite 406,langfeng Bldg,#2 Kefa Road Nanshan District,Shenzhen,China Tel:86-755-26532018 Fax:86-755-26532013 Title DIGITAL/ANALOG POWER Size Document Number Date: Sheet...
- Page 40 R408 4.7K 4.7K OSDA0 OSCL0 EMC401 HOLE/GND HOLE/GND HOLE/GND HOLE/GND HOLE/GND H401 H402 H403 H404 H405 4x1 W/HOUSING Hisense Electric Co.,LTD HISENSE SHENZHEN R&D Suite 406,langfeng Bldg,#2 Kefa Road Nanshan District,Shenzhen,China Tel:86-755-26532018 Fax:86-755-26532013 Title PERIPHERAL Size Document Number Date: Sheet...
- Page 41 C620 C621 C622 C623 C624 CE603 4.7uF/10v 100uF/16V 100uF/6.3v 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF C625 4.7uF/10v Hisense Electric Co.,LTD HISENSE SHENZHEN R&D Suite 406,langfeng Bldg,#2 Kefa Road Nanshan District,Shenzhen,China Tel:86-755-26532018 Fax:86-755-26532013 Title DDR MEMORY Size Document Number Date: Sheet...
- Page 42 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF DDR BYPASS Near IC CORE BYPASS Near IC Hisense Electric Co.,LTD HISENSE SHENZHEN R&D Suite 406,langfeng Bldg,#2 Kefa Road Nanshan District,Shenzhen,China Tel:86-755-26532018 Fax:86-755-26532013 Title FLASH/JTAG/UART Size Document Number Date: Sheet...
- Page 43 SHDN 4.7K 470uF/16V 0.1uF Regulator AP1522 SOT23-5/SMD/R-SOT5N-0.95-2.80-HX Vout = 1.25 x ( 1 + Rb / Ra ) PORT TUNER DTVS203CH201A Hisense Electric Co.,LTD HISENSE SHENZHEN R&D Suite 406,langfeng Bldg,#2 Kefa Road Nanshan District,Shenzhen,China Tel:86-755-26532018 Fax:86-755-26532013 Title ANALOG PLL/USB2.0/TUNER Size...
- Page 44 10uF/25v C1329 220uF/16v R1356 470uF/25V NS/ZENER/6.2V R1362 NS/820pF LM4810 R1354 A_MUTE OP_PWRH NS/10K Q1306 2N3904 Hisense Electric Co.,LTD OPAV120 +12V FB1311 OP_PWRH R1342 R1358 FB1352 4.7uH FB1312 HISENSE SHENZHEN R&D 4.7uH C1325 Suite 406,langfeng Bldg,#2 Kefa Road Nanshan District,Shenzhen,China C1333 0.1uF...
- Page 45 R807 100k 100k 100k TPA310X_R TPA310X_L R801 Q801 R802 Q802 A_MUTE A_MUTE 2N3904 2N3904 TPA3100D2 Hisense Electric Co.,LTD R837 C811 C805 220nF 100k 220nF L806 HISENSE SHENZHEN R&D 33uH CB803 Suite 406,langfeng Bldg,#2 Kefa Road Nanshan District,Shenzhen,China C806 Tel:86-755-26532018 0.1uF...
- Page 46 ON/OFF BRI_OUT 0R/NS R930 R939 R904 D901 A_MUTE HEAD PHONE OUTPUT NS/4.7K ECVAL160805E20100 Q904 2N3904 Hisense Electric Co.,LTD HISENSE SHENZHEN R&D Suite 406,langfeng Bldg,#2 Kefa Road Nanshan District,Shenzhen,China Tel:86-755-26532018 Fax:86-755-26532013 Title LVDS OUT / HEADPHONE Size Document Number Date: Sheet...
- Page 47 80/100MHZ C1039 YPBPR1L_IN D1014 R1006 15pF YPBPR1R_IN NS/EZJZ0V800AA P1004B C1038 RCA2X1 R1193 R1018 10nF D1212 Hisense Electric Co.,LTD PBR1N D1213 C1034 MVS0603E10 HISENSE SHENZHEN R&D NS/EZJZ0V800AA 15pF R1004 D1015 Suite 406,langfeng Bldg,#2 Kefa Road Nanshan District,Shenzhen,China Tel:86-755-26532018 C1033 Fax:86-755-26532013 FB1014...
- Page 48 P1102 VGAL_IN VGAR_IN D1130 C1121 D1129 C1120 NS/EZJZ0V800AA NS/0.1uF NS/EZJZ0V800AA NS/0.1uF D1127 D1128 PHONEJACK STEREO NS/EZJZ0V800AA NS/EZJZ0V800AA Hisense Electric Co.,LTD HISENSE SHENZHEN R&D Suite 406,langfeng Bldg,#2 Kefa Road Nanshan District,Shenzhen,China Tel:86-755-26532018 Fax:86-755-26532013 Title VGA IN Size Document Number Date: Sheet...
- Page 49 IRF7314 4.7K/NC R340 AV33 R314 AV33_HDMI R328 100k 500%1 4.7K/NC R329 R313 4.7K/NC R346 AV33_HDMI Hisense Electric Co.,LTD R311 GPIO_8 R312 C307 Q301 AV33_HDMI HISENSE SHENZHEN R&D 0.1uF 10k/NC Suite 406,langfeng Bldg,#2 Kefa Road Nanshan District,Shenzhen,China Tel:86-755-26532018 C309 C308 C310...
- Page 50 R1229 R1255 GND_SV AVRIN_SW AVRIN_SW R1236 1-COM CE1339 10uF/25v 74LV4052 AVIN_R1 R1224 R1221 47nF SC0_IN Hisense Electric Co.,LTD C1226 AVIN_R2 D1208 R1220 C1227 10uF/25v 47pF NS/EZJZ0V800AA HISENSE SHENZHEN R&D CE1341 AV_OUT R1257 R1256 Suite 406,langfeng Bldg,#2 Kefa Road Nanshan District,Shenzhen,China...
- Page 51 TO IR/LED BOARD CE1334 C1339 CE1336 C1340 470uF/16V 10uF/25v 0.1uF CE1335 10uF/25v MARK MARK MARK Hisense Electric Co.,LTD HISENSE SHENZHEN R&D QCMARK QCMARK ARROWMARK Suite 406,langfeng Bldg,#2 Kefa Road Nanshan District,Shenzhen,China ARROWMARK ARROWMARK Tel:86-755-26532018 Fax:86-755-26532013 Title IR/KEY/BLKON/DIMMING Size Document Number...
- Page 52 REVISION HISTORY Note DATE V1.0 FIRST VER1.0 2007/08/07 2007/09/20 AL1 AR1 LM4810 4558 AV1 AV2 4,PS321 Hisense Electric Co.,LTD HISENSE SHENZHEN R&D Suite 406,langfeng Bldg,#2 Kefa Road Nanshan District,Shenzhen,China Tel:86-755-26532018 Fax:86-755-26532013 Title REVISION HISTORY Size Document Number Date: Sheet...
- Page 53 AVOUT TO AV BOARD HEADPHONE TO AV BOARD COMPONENT 0 R/L AIN0_L/R SPDIF COMPONENT 1 R/L AIN1_L/R VGA EARPHONE AIN2_L/R Hisense Electric Co.,LTD KEY/IR HISENSE SHENZHEN R&D Suite 406,langfeng Bldg,#2 Kefa Road Nanshan District,Shenzhen,China Tel:86-755-26532018 Fax:86-755-26532013 Title BLOCK DIAGRAM Size...