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Tv power supply board is this tv problems and causes 90-95% of the times.5% maybe it is the tv Tuner signal board,but very low possibility.The power supply board,that the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.
The flickering you describe is most certainly a bad capacitor in the power supply. find a hobbiest or TV tech to do this for you. These TVs require lots of patience to remove the back cover and removing the power supplies. Good luck and thanks for asking.
Open up the back of the set and follow the power cord feeding the TV, it should be connected to the circuit board which will be the power supply module. Look at the power supply first; look for burnt parts, bad capacitors, etc. http://en.wikipedia.org/wiki/Capacitor_plague Please post back what you find
Look at the power supply first; look for burnt parts, bad capacitors, etc. http://en.wikipedia.org/wiki/Capacitor_plague Please post back what you find. It sounds like at least you do have the 5V standby power supply working but the main supply is not getting the 'ON' command from the main board, or the power supply is gettin ght e 'ON' signal but failed to turn on.
posted on Feb 29, 2008
Guest Rank: Apprentice Rating: 0%, 0 votes
Insignia Polaroid Advent Audiovox ISLCDTV32 lcd Tries to start then Shuts down! Insignia IS-LCDTV32 , Polaroid FLM2601 andFLM3201, Advent 203L32K50B Also Audiovox FPE 3205 LC32K5. Cure:Replace the three 680uf at 35 volt caps at the top left of the power supply board.
I replaced the caps--about a buck each. The bad caps were swollen, and soldering in new caps wasn't hard to do. THANKS!!!