Question about RCA F32450 32" TV

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High Pitched wine when turning on

I have opened the back (carefully, know the dangers) and listened to pin point the wining sound. It is coming from the circuit board on a part with the following numbers: PN 1536335A D1 15363340 RXETCE02215 This part has a crack in it through the top black section. Overheated? The TV will not turn on with remote nor with the button on top. Just wines.... Is this worth fixing?

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Re: High Pitched wine when turning on

I found the part (transfoemer) on Ebay for $15.00 + $7 for shipping.

Posted on Jul 12, 2010

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Re: High Pitched wine when turning on

Yes it is worth fixing & not that serious. but please call skilled tech to fix it as high voltade is inside even it is off.if you are not a tech person.

Posted on Sep 30, 2007

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Hi my sansui tv sv29281 takes time to show pictures after i switch it on & when it becomes on, it produces weid sound...what could be the problem, pls help

If the sound is a high pitched, sizzling sound then it is most certainly a high voltage problem. If you feel capable, take the back of the set off and in a darkened room turn the set on. I would imagine you will see high voltage arcing somewhere around the transformer, trippler or lead that connects onto the back of the screen. (not the picture tube). If you do, this area will need to be investigated. Make sure the set is turned off and has been off for at least half an hour as there are very high voltages still present due to high voltage capacitors. Make sure that the plugs are right and insulate any earthing points around the area with simple elastoplast tape. Any holes in the trippler, ( a plastic box looking thingy), can be covered with a hot glue gun or silastic. Good luck and please take care._

Jul 11, 2014 | Standard (CRT) Televisions

1 Answer

Same problem, high pitched noise over regular sound and no pictur

No guarantees with this diagnosis. But it sounds like an HT ( high tension) leak This is often caused by the lead becoming partly unplugged ( being bumped or moved) and because of dust buildup it arcs making a high pitched hissing whistle.Ther lamp may also have been affected by the HT leak. The safest option for you is to call a service technician to it, as opening it up could cosntitute a a danger to the unskilled.

Aug 12, 2009 | RCA HD56W58 56" TV

2 Answers

High pitch noise from the flyback

You can tell to some extent what it may be by listening carefully and trying to identify the location. If you, remove the back cover of the set; stay away from danger, just listen to where it seems like the sound is coming from. If it is coming from inside the high voltage cage it is the flyback. If coming from around the main power transformer it is one of the power supply parts.

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Jan 23, 2009 | Samsung HL-P6163W 61" 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.

Sep 16, 2008 | RCA TruFlat 27F520T 27" TV

1 Answer

Samsung HDTV DLP high pitch wine, intermittent

Your color wheel is broken you can get one at

Aug 12, 2008 | Samsung DLP HL-P5663W 56" TV

1 Answer

Audio: Occasional high pitched sound

TV's have a number of devices called coil (coils of wire) that can make noises like that if they get overloaded. Apparently, you have a bad solder connection somewhere causing this condition in one of the circuits. Perhaps a tech can open the set up while running and listen to discover which component is 'singing' and resolder the associated circuitry. I'm guessing the set is over ten years old to be having this kind of problem in which case it isn't worth a lot of effort to solve.
Hope Ya Fix it!

Dec 19, 2007 | Samsung TX-R2735 27" TV

2 Answers

Weird noise over everything

According to the Samsung website: "The high pitched sound you hear is probably coming from the flyback transformer. The flyback transformer converts the relatively low voltage electricity that comes from the outlet in your home to the high voltage electricity needed to drive the cathode ray tube in your TV. It is not unusual for a flyback transformer to buzz softly when it operates. However, if the sound is loud and high pitched, it probably means the transformer is failing. To eliminate the sound, you will have to get your TV serviced."

Nov 08, 2007 | Samsung SlimFit TX-S2783 TV

3 Answers

High Pitched Noise on TV


Sep 16, 2007 | Standard (CRT) Televisions

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High Pitched Noise

most high pitch noise comes from the anode conection on the picture tube thats connected to the flyback anode cap thats mean there is a high voltage leak,to stop the noise you can discharge the high voltage take off the cap and clean with alcohol.if the noise will have to put some red or clear silicone both the cap and tube stick together leave to dry for about 2 to 4 hrs.this will eliminate the leaking.good luck.

Jun 11, 2007 | Toshiba 27A41 27" TV

1 Answer

High pitched buzzing...

noisey yoke? Listen thru an empty paper towel roll cylinder to isolate---

Nov 17, 2006 | Sanyo DS27910 27" TV

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