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Noise from TV

TV is making a high pitch noise. It goes away when I hit the back of the TV. It's driving me up the wall.

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Re: Noise from TV

I may be able to help if you could give me the make and model.

Posted on Dec 29, 2007

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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

Sanyo tv making high pitch noise from loose cable connector

The noise is coming from the fly-back transformer. By moving the cable connector you move the main board. Unplug the TV and remove the back. The transformer has a red wire going to a rubber cup at the top of the picture tube. Looking at the transformer you will see a dough nut shape with a metal piece going through it .. Drive some tooth picks between the dough nut and the metal core. That should reduce or stop the ringing.

Apr 21, 2008 | Sanyo DS31520 31" TV

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High pich whine from CT-36D32 36" TV

jdosk-the high pitch noise you hear is generally from the horizontal output being shorted,the horizontal output is usually near the flyback transformer,get a digital multimeter to checkthis part.Let me know I'll try to help. cooltek Feb.16/08

Feb 05, 2008 | Panasonic CT-36D32 36" TV

1 Answer

RCA Guide plus gemstar T.V.

So the tv screen is on after the noise? Does it end up shutting off?

Nov 24, 2007 | Standard (CRT) Televisions

2 Answers

High Pitched noise returns after new parts installed.

Use first quality OEM or equiv. transistor, RCA 237470 is
least expensive...............T.

Nov 09, 2007 | RCA F36705 36" 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

1 Answer

High Pitched Ticking Noise

Horizontal output transistor is shorted,caused by bad flyback
transformer.If you want to pursue the repair,please give the
service number off back......I will get part # s........T.

Oct 25, 2007 | RCA F36705 36" TV

3 Answers

High Pitched Noise on TV


Sep 16, 2007 | Standard (CRT) Televisions

1 Answer

Samsung slimfit television 30"

In this model the horizontal drive coil vibrates and makes a high pitch squeal. Most times it is intermitent. Touching on the coil with something (non electrical, like wood) will make it stop or change it's pitch. The fix my shop uses: It's not to technical, but, we put fingernail polish around the coil. It's a remedy I've used for decades and has always worked. Some shops use a hot glue gun. With the back open you can hear the coil to locate it. When fixing the problem have the set unplugged. When a technician is working on a television while it's plugged in. He uses only one hand and stays away from the high voltage.

Aug 11, 2007 | Samsung TXM3096WHF 30" TV

1 Answer

Occasional 'whistling/whining' from back of TV

I wonder if there is enough air circulating around your equipment?? My DVD recorder makes a sound unless I open the doors on the cabinet that contains all of my equipment. The cable company says it is a fan to cool down the units.

Jan 30, 2007 | Bush WS6671 28" TV

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