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.
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...
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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 -...
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(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 -...
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 -...
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• 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 -...
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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 -...
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 Backlight Power HX-3004B550\ROH Power BD XP815<--> Panel right backlight port 10-2 Hisense Confidential - 15 -...
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 - 16 -...
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 - 17 -...
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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 - 18 -...
If There is a red “M” moving on the screen, it means the TV is in Aging mode. To exit the Aging mode, use your user RC, and enter 8->0->8 ->7 in sequence. The above “Factory/Service OSD Menu” are reference only, please refer to the actual units to determine the appearances. Hisense Confidential - 19 -...
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 - 20 -...
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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 - 21 -...
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 - 22 -...
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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 - 23 -...
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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 - 24 -...
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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 - 25 -...
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 - 26 -...
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 - 27 -...
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 - 28 -...
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 - 29 -...
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 - 30 -...
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 - 31 -...
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 - 32 -...
LCD TV Service Manual 8. Explode View and Explode Bom List 9. Schematic circuit diagram The Explode Bom list as following: ELEMENT 40LE45S PARTS LIST Part No. Description Qty. Code Number Remark 120635 Front Cover RSAG8.074.410\Z14\ROH 1047019 Button RSAG8.335.067\Z1\ROH 113354 Keypad PCA RSAG2.908.1088\ROH...
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LCD TV Service Manual 8. Explode View and Explode Bom List 9. Schematic circuit diagram The Explode Bom list as following: ELEMENT 40LE45S PARTS LIST Part No. Description Qty. Code Number Remark 120635 Front Cover RSAG8.074.410\Z14\ROH 1047019 Button RSAG8.335.067\Z1\ROH 113354 Keypad PCA RSAG2.908.1088\ROH...
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+5VSB 2,3,4,5,6,7,8,9,10,11,12,13,14 OPWRSB OPWM1 OPWM1 +12V 2,7,8,9,14 +12V 01:INDEX/POWER IN HIGH = OFF +18V +18V +5VSB OPWRSB OPWRSB LOW = ON 02:DIGITAL/ANALOG POWER 2,6,7,8,9,11,13 +3V3SB 2,3,5,14 +3V3SB 03:MT5380PERIPHERAL +5VSB 2,9,14 +5VSB 15K/NC 15K/NC 15K/NC 15K/NC P-CH P-CH ON/OFF ON/OFF IRF7314/NC IRF7314/NC 15K/NC 15K/NC...