Hisense Lcd32v86 Service Manual
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LCD TV Service Manual
Hisense Confidential
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.
5—Click the browse button to select the *.bin file that will be updated.
6—Click the “start” button to update software.
Select mode
of Flash chip Communicate
port Set Flash
Baud Rate Select *.bin
file
Start upgrade
Information of upgrade
process
Choose the current
USB conversion Port
Later choose com5
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LCD TV Service Manual
Hisense Confidential
Open “Device Manager” and find which port is connected with the TV. In this operation, COM5
is connected to the TV; so, select “COM5” in the MtkTool main interface. Select the right baud rate
according to chip model. For this unit( chip model is MT8226), select 115200..So choose
“Auto Set Flash
BaudRate”
Note: Whether 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.
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LCD TV Service Manual
Hisense Confidential
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.
- 24 - LCD TV Service Manual Hisense Confidential 6.3 Update with USB directly T he second update method is with USB directly: MTK8222 Series can update with USB, the software name should be HISENSE.bin. The Updating Steps is set the Source to DMP interface, insert the USB(the update file HISENSE.bin,which should be in root directory),The TV automatic identify the upgrading software. step by step according as the informations of the upgrading process. (USB to the Main board directly)
- 25 - LCD TV Service Manual Hisense Confidential After upgrading, you must confirm the software in the Factory Menu and youd better CLEAR UNPROTECTLY.
- 26 - LCD TV Service Manual Hisense Confidential 7. Troubleshooting 7.1 Troubleshooting for Remote 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 & IR BD Replace Led & IR cable YES YES NO YES NO YES NO
- 27 - LCD TV Service Manual Hisense Confidential 7.2 Troubleshooting for Function Key Buttons does not work Check switches Check key board Check Key BD cable Change Key BD Replace main board Replace tact switch Replace Key BD OK YES YES NO YES NO NO
- 28 - LCD TV Service Manual Hisense Confidential 7.3 TV won’t Power On Make Sure Power source is live Replace Power Cord Check/replace IR BD or Keypad PCA TV won’t power on Is LED light? NO YES Check Power Inlet YES NO Check Power Cord Only one works Replace Main BD Try Power on by RC and Button Neither works Both Wo r k Power on OK YES NO Replace Power BD YES NO RED BLUE OSD? NO Replace Main BD NO YES Check signal Source YES NO YES Replace Panel OK
- 29 - LCD TV Service Manual Hisense Confidential 7.4 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 Replace PSU
- 30 - LCD TV Service Manual Hisense Confidential 7.5 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 YES NO NO