Question about RCA P60920BL 60" Rear Projection Television

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Black screen and chirping sound

I purchased a used RCA P60920BL 60 in. Rear Projection Television. Got it home and it worked for 3 days and then the screen went black and it started making a chirping sound.
I did a bit of research online and came to the conclusion it was probably the flyback transformer. Ordered one, took the old one out and installed the new one and still have the same issue.
Any thoughts??

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Typically, the driver circuit is affected when the flyback transformer "dies". The most common device that fails with it is the deflection transistor/driver and associated components. Hope this helps...accordianman

Posted on Dec 06, 2008

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Just visit this link It has details about convergence procedure to rear projection television. Convergence adjustment procedure to most brands PTVs will be similar. Pull up older posts there, by its left side bar. http://electronicshelponline.blogspot.com/

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Chirping is almost always caused by the HOT transistor and Flyback transformer. You can get the Flyback with HOT repair kit for your model from www.tvrepairworld.com they are listed under the RCA Repair kits.

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If you're at all familiar with electronic repair you could start checking there (and horizontal output transistor shorts). If not have an RCA approved warrany repairer give you an estimate/service call.
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I just purchased a used RCA P60920BL 60 in. Rear Projection Television. It worked for the first 3 days and then just went black and started making a chirping sound. I read a bit online and seemed to be the...


Right in front of the flyback, on a metal heatsink, you will see a transistor. This is the Horizontal out transistor ans is probably shorted. Look at number on the front of the transistor for ordering. It will be 2SC5148, 2SD1878, or something like that.
Make sure the unit is unplugged while working on it

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And what was the symptom of what your set was doing?

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1)Any power indication?

2)Please provide service # and chassis # from back of set .

3)Then we will get you a sggestion.

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