Question about RCA F32450 32" TV

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RCA Model F32450

Our TV was working fine then shut off. We turned it back on and we do not receive a picture, only a high pitch sound when we plug it in. We cannot turn the sound down with the remote. We have to unplug the TV if we don't want to hear it. We're not sure if it would be worth it to get the TV repaired or just buy a new one. Any ideas?

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Hot-replace and solder all leads to smt transformer.set should power up.also flyback may have shorted.rca has a repair kit for this set. all necessary parts.

Posted on May 12, 2008

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I have a RCA 32 TV made in 2002 It shuts off and turn and nothing

If its a F32450 it is prone to two parts failing.

I presume you mean you turn it on and it shuts right off.

A question? I you unplug it and plug it back in do you hear a high pitched whine for a moment or longer/

This model (along with some others) has a problem where the High voltage Transformer fails.

It will usually take a transistor with it. I have fixed dozens of them and usually just need to replace two parts:

Transformer is location LL05 and part number is 257805.

Transistor is location TL02 and part number is 237470---generic number is 2SC5148.

The giveaway is if someone checks the transistor and it is shorted--the transformer got it.

I can tell you a place on EBAY that will have both parts for less than 30 dollars total.

Clearly, I do not know if you can do this repair--I do this for a living and replacing both parts in this set takes less than 20 minutes.

Let me know if you have questions and I will try to help you---

If this helped you at all rate this solution as I do this here for free.


Dec 19, 2009 | RCA F32450 32" TV

1 Answer

Rca 27410tyx1 will not shut off

Sounds like trouble in the standby/power up circuit. have you tried unplugging the TV for a half hour and seeing what happens? It might start up but I think this problem won't go away. If you heard a high pitched buzzing it sounds like a problem in the high voltage not letting the start up circuit work. threy are related. The start up circuit waits for the high voltage to stablize and then switches it on.

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high volatge transformer shorted...or component in hi E.

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Can be either noisey yoke or noisey flyback transformer........T.

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Dec 24, 2006 | RCA F32450 32" TV

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Picture went out and all the tv does is make a buzzing sound

The horizontal output transistor drives a transformer that gives you the high voltage to light up the picture tube,either the transistor or the transformer have gone bad,sometimes both have to be replaced and sometimes the transistor fails for no reason by itself.Be safe and call for help if you are not familiar with tv service.

Sep 20, 2006 | RCA F32450 32" TV

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Is this a Toshiba or an RCA? The problem description does not seem to be right. From what your saying though it sounds like there isn't any high voltage. If you are not qualified to work on TVs you probably should take it to a shop for repair.

Jun 21, 2006 | RCA F32450 32" TV

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