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52 inch rca 52w20 powers up with three high pitched noises then nothing

My tv just would not power up one day, i took it apartĀ  found or so i thought i found where the noise was comming from replaced th ferrite transformer and still having the same problem any help?

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Re: 52 inch rca 52w20 powers up with three high pitched noises then nothing - RCA P60828 TV Standard (CRT) Televisions

Splitter box in the front with 8 wire

Posted on Jan 21, 2008

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10-year-old 32" RCA PIP TV just blinked off one morning after about 30 minutes. It makes a continuous high pitch sound, and the on/off switch is completely unresponsive. I assume this is a picture tube and...

It's not the picture tube(especially if image was good b4 it went dead). The high pitch noise is the power supply whinning because it's shorted or overloaded. I just fixed one of these sets - replaced the horiz. o/p transistor and flyback estimate around $120.00-$160.00

Oct 24, 2009 | RCA F32650 32" TV

1 Answer

When my rca 36F530 tv is plugged in it makes a high pitched buzzing noise picture does not come on

There is a short circuit in the high voltage circuit. the transformer who helps to create the high voltage or his power transistor is damage. replacement needed. the repair is not expensive, because the parts are average repair. Ask for an estimate.

May 01, 2009 | RCA 36F530T 36" TV

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RCA 57 inch hdtv Model#HD56W58 has sound but no picture.

WOW...had a high pitch noise, came and worse as time wore on. Would shut off the set, times it cleared times it didn't. Warranty folks set out a TV repairman--said he had worked for RCA exclusively for years...anyway, explained that the 1k hertz noise was a known issue with the HD56W58 and that RCA’s published fix was "nail polish" applied on some board, had something to due with power and vibration...long story "presto" noise gone...but after 6 or so months we began to hear it again—say it ain’t so, but yes the high pitch was back. Same repairman, this time bigger problem...along with noise, the network card is broke and Fry’s Electronics (Irving, TX—hear that Corporate HQ at San Jose…your Irving store needs to be leased in and tote the company line...where's the customer satisfaction???) is balking at a “equal” replacement, they see it as take the less than equal product or get store credit…good luck & wish me luck with the equal replacement they tout when pushing the warranty.

Mar 15, 2009 | RCA HD56W58 56" TV

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52 inch rca scenium wont turn on

this is an indication of a shorted horizontal ouptut transitor and bad flyback transformer

Mar 14, 2009 | RCA HD52W58 52" TV

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Trouble turning on tv. High pitched noise/click.

The mainboard might have some loose components, or cold solder , or may be the filter capacitors are becoming faulty. Yes it is worth repairing, bring it to the repair shop. Cheers.

Nov 25, 2008 | RCA Standard (CRT) Televisions

1 Answer

High pitch noise and the power light flashes.

most likely it is the flyback transformer. I have had meny RCA tv's with a bad Flyback and H.O.T transistor bad. Cost depends on the service center. Parts average around $60.00 dealer, so depending on mark up and shop labor it could vary greatly. If you have never changed these parts it is best to have a service man do it ... Take it to the shop and save the trip call charge $49.00 and up to $125.00..

Nov 18, 2008 | RCA F36650 36" TV

1 Answer

RCA 31" TV pakes high pitched chirping noise

Did you check the Horizontal Output transistor to see if it were shorted, and also check the MOSFET of the switching power supply. 

Jul 25, 2008 | Standard (CRT) Televisions

1 Answer

RCA will not turn on

I had this problem on My RCA tv, what I found was a couple of bad green capacitors in power suply there are around three of them I just replaced 2 of them if I am not mistaken one of them is C120 but if not change all three this are the value of the ones I replaced 2200uf 16v and 220uf 35v, if you see on top of the green capacitors you will notice they are bad.

My tv is working for more than a months and I had the same problem as you are having.

Oct 21, 2007 | RCA HD52W58 52" TV

1 Answer

RCA 20

sounds like the Power Transformer to me,  usually accompanied by a high pitch (almost inaudiable whine) and  sparks arcing.


This needs a professional repair..



Oct 11, 2007 | RCA F27252GY 27" TV

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TV won't stay turned on, no picture, started making high pitched noise

That high pitched noise you're hearing is the power supply telling you that it has too much of a load on it and lowered its operating frequency which in effect cuts its output way down! Normally you don't hear any thing since the power supply operates at a frequency that's beyond human hearing. In an RCA this indicates more than likely that your horizontal output transistor is shorted and this short was caused by the flyback transformer shorting. This is a common happening with RCA's You'd need to take to a tv shop and have it checked out. Stargazer

Jan 28, 2007 | RCA F27650 27" TV

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