If you have the backlight on but no image it could be the main board but if you don't have the backlight you have a problem with your LCD panel
the panel comes with the T-con board and the Inverter board
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? 4:52
https://www.youtube.com/watch?v=IBRE1Dcyxp4
Jan 13, 2012 - Uploaded by Clay Whitehead
My tv stopped working, it had the sound but no picture, so I did a little ... +ducksfans76 have you done the flashlight test? what that is is turn the tv on in a ... screen that means your backlight is out and with LCD tv's most likely is the inverter. ... Samsung Flat Screen No Picture Only Sound 002 - Duration: 1:26.
? 2:30
https://www.youtube.com/watch?v=MQj2t4nNVYc
Sep 18, 2012 - Uploaded by MonkeySee
Learn how to troubleshoot your television if you've got sound but no picture. ... I have a logik lcd tv and for some reason thescreen always turns ...
Tv has no picture or sound; will go out while watching. The picture will go into a line and sound and picture will go out; shortly after that tv will turn off. Did this last nite and I did not turn back on until this morning, it worked no problem. On for couple of hours and now it's out again. What could be problem and how do I fix myself
The problem can be caused by a bad sustain board (Ysus Zsus) , the popping sound is often caused by a capacitor blowing up. The TV must be taken apart and tested before eventually replacing sustain boards.
I have a sansui 19" LCD TV+DVD I had to attempt multiple times turning the TV on to get a picture. The sound was fine. This kept happening when I would go to turn on the set the TV kept playing fine with picture & sound but after the 2nd attemts I turned it off & then tried to turn it back on which took multiple attempts, it kept playing for a few minutes then the picture went out but the sound was still there. The set is not yet 2 years old.
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