Question about RCA P56940 56" Rear Projection Television

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Will not turn on makes thumping noise for a few seconds and than nothing happens

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Short either in the audio circuit or the part of the power supply that sends power to the audio circuit.

Posted on Dec 22, 2012

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SOURCE: Wont turn on!

I work on these at the shop alot(THERE THE TESTAMONAL FOR THESE SET LOL) ok these sets itc222 chasis from rca have a processor that shuts them down for one of 25 different resons. THe sound you describe indicates to me a few possibilities. the first thing i would check if i had it in the shop would be what is known as the flyback and the horizontal output transistor. if you are a tech. these set can generate pot high voltages so be careful. there is some times i have seen loose ribbion cables but that is rare

Posted on Sep 10, 2008

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