Question about RCA P52926 52" Rear Projection Television

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RCA Model #P52754AT Problem

Power button when depressed only lights long enough for television to make slight noise(an internal power noise squeel like HV start ,then power cuts off). I dont know if I have a power supply problem or worse. Tv is old and if too expensive,it's probably not worth much of an investment. I did notice when TV is plugged in i can hear the outlet snap slightly like you would see when you un-plug a device under a load. If you could give me an idea of common problems of this type of TV. Up to this point,this is the first problem we have ever had with this set. Thanks in advance for any help or advise you can give me.

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  • verne carey Jun 13, 2008

    TV squeals when turned on, picture a little fuzzy, then roll, then go to lines with no picture. Quite noisy from the audio with lots of static and squealing. Any suggestions as to cause and how to fix it?


    Verne Carey

    Windom MN

    507 831 5112

  • Anonymous Jun 30, 2008

    when i turn tv on the when i started to have the problem the tv when turned on it started to have i line in the bottom of the tv and the noise was like a clicking noise it started out slow then got faster and then it shut off i tried to turn it back on and it just makes a clicking noise



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  • 8,617 Answers

When that model squeals its usually related to the horizontal output transistor or the flyback.

Posted on Jun 08, 2008


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It sounds like your high voltage block is arcing and causing the TV to go into protection shutdown temporarily. If that's the case, you'll most likely need to replace that HVB.
The other thing it could be if you're hearing "popping" (snapping ?), is that one of the CRTs could be arcing to ground, maybe the green one since you're getting too much green.
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I'm sorry to report to you all there are so many things, boards&circuits in your TV that can cause this concern.

The first thing I would and will recommend is that you unplug the TV's power cord from it's source, wall, power strip, surge protecter for at least 5 minutes.

If that doesn't correct 'it', thenI would recommend calling an authorized service dealer to repair your TV. This Tv is too complex for the average person to attempt to repair. I hope I helped.

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