Question about Dell W5001C 50 in. Plasma HDTV

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Dell symbol flickers when you put tv on,black screen but have sound.had problem before,was told it could be power supply had it replaced ,worked fine 4 days later went out magain what could it be?

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Hi yes it could be the power suply but if you had a light gray horizontal bar in lower part of the screen before it went out this spell big problem other wise it maybe only power suply
that can be bought on ebay

Posted on Sep 28, 2010

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First of all, thank you for posting your question here at Fixya.

Based on the symptoms you've described, I don't believe that the backlights are already faulty. If backlights gone to malfunction, that are permanent, but in your case you've said that the TV power up fine for half an hour, this is an indication that the fault not came from the backlights but from the inverter boards. Inverter boards are the one giving high voltage to the backlight to light up, it has a built in protection circuit that will activate once there's a malfunction on the board to avoid further damaged because of high voltage output.
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Hope I helped you.
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