Question about Samsung TXN3245FP 32" TV

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High-Pitch Noise Unbearable high-pitch noise, after 10 minutes on. Other than this, great TV.

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Re: High-Pitch Noise

Problem with your TV audio processing unit. Damaged audio processing IC must be the coz. else audio amplifier IC must be faulty. Contact service centre authorised personnel

Posted on Dec 22, 2007

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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

2 Answers

High pitch noise


Sorry to hear about your issue, let me see if I can help.

What type of tv is this? tube or flat panel? If tube, have you recently moved it and shook it up a little?
If panel, are you using an hdmi hookup or just regular cable from a cable box?

Be sure that your hookups are on tightly and that your cables are not tangled as well especially hdmi cable. Let me know if any of this is helpful in solving your issue or if I can be of more assistance. Once you respond I can help more, just need more information..


Feb 26, 2008 | Sanyo DS31520 31" 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

Durabrand tv wont turn on!

My Daughter has the same problem with hers. That high pitch noise your hearing is coming from
a transformer on the inside it means the transformer went bad and has to be replaced.I hope this helps a little.

Jan 02, 2009 | Durabrand DU1901 TV

1 Answer

Samsung SlimFit 30" high pitch whining noise

I have had the same high pitch tone problem for several months after about 20 minutes of use. It is so bad it's rendered the TV almost unwatchable. I contacted a repair place from Samsung's website. I was told that is likely the flyback transformer. I don't know what it is, but it sounds cool like a flux capacitator. I was told it would be about $100 to fix. However, I have had very little luck getting the repair shop to order the part and do the work.

Sep 04, 2008 | Samsung TXR3079 TV

2 Answers

High pitch noise from LG Flatron TV

Hi there!
You may want to start by checking for suspicious looking components or hot spots. There may be some Caps faulty in the power supply or Horizontal. Good Luck, Jus004

Mar 15, 2008 | Standard (CRT) Televisions

3 Answers

An Annoying High Pitch Sound

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

Dec 12, 2007 | RCA F32450 32" TV

1 Answer

High pitch noise

what you are hearing is the mechanical vibrating of coils & or transformers in the tv. 1st and easyest is to hot glue the parts that is making the noise down. if that does not work, removing & reinstalling the part is next. the last is replacement. the most likely parts causing is the 1. horizontal linearity coil, 2. the run or switch mode transformer, or 3. the flyback transformer. good luck.

Jan 09, 2007 | Zenith C27F33 27" TV

1 Answer

No picture, just a high pitch sound

Sounds like the flyback and horz output is shorted.

Nov 30, 2006 | RCA F32672SB 32" TV

1 Answer

High Pitch buzz noise when plugged in and it doesn't turn on

The tv has a shorted component and that is why is making the noise,call a qualified technician to find it and dont try to use it anymore.Is not a fuse.

Sep 12, 2006 | RCA F25649 25" TV

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