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RCA 52 rear projector tv makes chirpping noise wont turn on

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Re: RCA 52 rear projector tv makes chirpping noise wont...

You have a bad high voltage transformer. It is the white square device about 3inch square with large red wire coming out. Must be replaced with RCA original NO GENERIC. Also the horizontal output transistor must be checked to see if it is good. Recommend honest qualified tv repairman

Posted on Jan 01, 2008

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When I plug the tv in it makes a beeping noise but it wont come on. what would cause that?

You are hearing the power supply trying to come up,but there is a almost like a chirping. More than likely,it will need a flyback transformer. A reputable repair shop can confirm and repair in the $200 range. If you have technical ability,I can guide you further

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a shorted horizontal output transistor will make a funny squeek or chirp noise when turning on the tv. Usually mounts on a metal dissipator near the bulky plastic part with the red thick wire coming out of it.good luck!

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the set probably has lots of bad solder connection on the flyback and in the horizontal deflection circuit.

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Chirping noise

you need to replace the horizontal output transistor or the flyback. the flyback is the most likely cause. Let me know if you need more information

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My RCA TV turned itself off and started making chirping noise

You have poor solder connections these sets are famous for this! Solder Flyback transfomer pinns this should fix it.

Oct 07, 2007 | RCA D52W19 52" Rear Projection Television

1 Answer

My 52 in

Chirping is usually a problem in 2 areas of this unit. 1st check 3 legged regultor on the right side of the chassis, also 2 small transisters and 2 resisters near and in front of the regulator. RCA has a kit for this problem, the second is check the horizontal output transister is on a separate heat sink along side of the Flyback Transformer, it shorts and pulls down the regulator power supply.

May 28, 2007 | RCA P52960 52" Rear Projection Television

1 Answer

Please Help!

A chirping sound from a TV set is the switch mode power supply trying to start up, but gets shut down because of a major short inside the set or in one of the circuits.. Most likly in this set, the horizontal output transistor is shorted because of a defective flyback transformer. Thats whats the common problem is with this set. A repair like this, if this is the only parts that are bad, will run you about 300 to 400 bucks or so. In some cases, not many but a few times, I have seen poor solder connections on L401 cause the horizontal output transistor to go bad. There are no user replacable parts inside this set, so please play it safe and seek out a pro to assist you in this repair. Good luck PS Please do not forget to rate this thread.

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