Question about GE 32GT740 32" TV

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When power is applied there is a high frequency pitch noise that gets louder the longer the power is applied

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Bad output or flyback

Posted on Aug 19, 2009

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High frequency noise form my 7.1 surround sound system


Is the microphone live? If so, what you're getting is called "acoustic feedback". Any room sound gets in the mic, gets amplified, comes out the speakers, and then gets picked up by the mic again. Louder and louder until you get to the maximum your system can do.

The solution is to turn it down. . . until it stops.

May 13, 2015 | Acesonic HKR-710 340-Watt 7.1 Surround...

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I have a high pitched screaming noise on passenger side of car. I dont hear it all the time, just randomly.


noise is a 100% hands on , eyes and ears on deal.
get it serviced.

we can guess here, there are 3000 parts, all of which can make noise.

Jul 15, 2014 | 1991 Honda Accord

1 Answer

2002 yukon makes a high pitch noise when driving


possible front wheel hub bearing going out..

Dec 23, 2012 | 2002 GMC Yukon XL

1 Answer

I have a magnavox 37mf331d/37 that has developed a high pitched whine.the longer the tv is on the louder the whine.the tv is 5-6 yrs old


It's likely a capacitor associated with the power supply having gone bad.
It's obviously beyond your expertise to repair it yourself.
Find a trustworthy repair shop and take it there.

Sep 05, 2012 | Televison & Video

1 Answer

The TV is making a very high pitched noise. The longer it is on the louder it gets.


Easy repair with some Super glue.Must take the tv back cover out.The FBT-the big block of plastic with a red wire with a cap hook to a CRT(tv tube).It have a high voltage gap going through a "3 inches paper clip steel bar on a FBT the big black plastic block.Put some super glue on that "3 inches paper clip steel bar on that big black plastic block.Should stop the high voltages gaps through that "3 inches paper clip steel bar causing a high pitched noises.

Nov 17, 2010 | Jensen TS2050J 20" TV

2 Answers

My Icebox computer will not start up properly. When I turn the power on, it simply hums like an old television with no signal.


Hello,if your computer is old and the noise is low frequency but very disturbing and sometimes gets louder and then lows then is your power supply and you must change it.If the noise is more high pitch and it doesn't change frequency then should be the graphic card.If its like scratching noise is the hard drive.You must figure out exactly where the noise is coming from before replace anything

Feb 03, 2010 | IceBox (HL1214) PC Desktop

1 Answer

How do i turn off the high pitched frequency noise


If what we are talking about here an old model of monitor that has a bulky back, the high pitched frequency is caused by other electronic devices such as your speakers.

- Relocate your speakers away from the monitor
- do a factory reset on all settings on the monitor or if possible, do a degauss.

Dec 16, 2009 | Computers & Internet

1 Answer

Car sound system high pitch frequency


you need to install a radio suppressor, that will eliminate the noises,

you can buy them on ebay, but google "radio suppressor" and find out why it's happening,

if it's an older car you connect 1 to your coil terminals, but i would go for an inline version first (you coonect to radio power wire).

Hope you listen to clear tunes soon :)

Apr 12, 2009 | Dual Car Audio & Video

1 Answer

High pitched noise


look where the power cable goes into the tv and see if the sound is coming from near there?

Aug 09, 2008 | Philips LM1200 PHILLIPS 12" 2GB OPTICAL...

1 Answer

My palm makes a constant high pitched sound when it is powered on


Is your speaker making this high pitched sound or is it something else. If it's "something else" then there is no problem to worry about. It's just an audible frequency given off from the touch screen.

Jun 06, 2008 | Palm Tungsten E2 Handheld

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