Question about RCA D52W20 52" Rear Projection HDTV-Ready Television

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M50wh72s Many problems for one the Ballast reads 340 v at all times even when TV is off. Two the lamp dose not come on. Three when the TV comes on thair is a high pitch sound going up then down. Four when TV goes off thair is a blue screen that fades out to black. Popping sound then no picture

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This one may take a while to completely diagnose, but from what you've described so far, I say the ballast is bad. The whine is the ballast trying to fire. The pop may be related. The ballast is available for $140 (you get back $30 when you return the bad one). I'd start there. The part number is: 271922.
Dan

Posted on Apr 09, 2008

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You have far more than one problem could be time to call a service.

Posted on Apr 09, 2008

  • Ginko
    Ginko Apr 09, 2008

    With all this issues together the risk is that you fix one problem, and you get an additional one. For example the ballast reading 340v may means that you probably need to change power unit, the blue screen may be a problem with convergence ICs (check pico fuses) or crt board. Unless you have a good workshop at home it may be time to call service. Here is RCA contact, they can find a service in your area.

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