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...

 
 
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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...

 
 
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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.   
       
 
 
 

 
 
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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...

 
 
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LCD TV Service Manual                         
Hisense Confidential 
 
 
 
 
  After upgrading, you must confirm the software in the Factory Menu and youd 
better CLEAR UNPROTECTLY. 
 
 
 
 
 

 
 
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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 
 

 
 
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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 
 

 
 
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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...

 
 
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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 
 

 
 
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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