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Hello All,

 

I am working on a KDL-46S4100 and have hit a wall.  When the tv came in, it had power, but no backlight, video or sound.  All voltage coming from the power supply was correct, but there was not voltage at the t-con board, so I replaced the "A" board (main board). 

 

After replacing the A board, the tv powered on with backlight and sound, but no video.  There is voltage going to the t-con and to the panel, also after running the tv for a while, the t-con is heating up like its processing.  Next thing logical step was to replace the t-con.  Well, I replaced it, but I still have no video. 


 

If anyone has a suggestion on what to look for next I would really appreciate it!

 

Thanks,

Brian
 

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Wrong section. Read the sticky notes, please.
 
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