Have TV Questions? Ask a TV Technician
Welcome. I am Mike, an experienced field technician. We are now connected together on this convenient website where I am able to help you. To get started, I need to know you can see this message and are able to reply to me here...
-What "connections" did you re-seat?
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Are you the original owner of the tv and was this tv functional prior to this failure? or did you just pickup the tv second hand or something?
Next step is to:
-visually check all the caps on the power board.
-test all the voltages on the power board multipin connectors during plug in / power on.
If caps are good and voltages are present, then it's most likely the Main board (board with all the audio/video jacks) that will need to be replaced. See the following page for possible match (board must match EXACTLY):
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They will be DC voltages, ranging from 3v, 5v, 12v, 24v. But with these OFF brand tv's there are no manuals, schematics, or tech support from the factory. Normally there are voltages printed on the board next to each pin. Since I can't see your exact board, I don't know if your's has voltages printed on the board. If you can find your 5v, 12v, 24v then you can assume the voltages are good.
Hello, just checking back in to see if you still need help, or perhaps you would like to acknowledge that my time and input has been helpful?