Question about Sylvania 6842-PEM 42 in. EDTV-Ready Plasma Television

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Stand mode only

My tv went off and never came back on after 1 month of purchase, cannot return it from my location so I'm stuck with it. most persons complained about a burnt capacitor which they manage to fix, but there is nothing burnt in my tv. all the voltage points from the power suply board are correct. what could be the problem.

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  • lpaul55 Nov 24, 2008

    Finally I have managed to fix my plasma 6842PEM. My problem was the SS (Sustain) Board and not the Power supply. This board is the vertical one to the right connecting to the Screen/Panel. I tested every component on the board and found one of the Transistors on the heat sink was bad, part # 2PG001. This board is made by Panasonic which can be replaced. I got the Transistor which only cost $20.00 including shipping.

    To identify wether this is your problem, disconnect the cable comming from the power board and put on the TV, If the green light stays on then this is your problem.

    Thanks all for your help.




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The defective capacitor, if that is the problem, is not obvious. But the main power board has a standby mode and an operating mode. Many of the outputs are off in the standby mode. Do the output voltages go on when you press the power button? The tv draws considerable current when the power turns on, about 7 amps, and less then 1/2 amp when off. Do you have a way to monitor the current?
If the capacitor is the problem, it needs to be replaced with one with a Y5P dielectric or it will overheat and burn out again in a short time. Of the main power boards that I had in for repair, about one out of three had a problem other than the burned capacitor.

Posted on Aug 22, 2008


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