Question about Philips LM1200 PHILLIPS 12" 2GB OPTICAL DISK (58995) Media

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High pitched noise

Since settting up our tv, we have experienced a noise that gets longer and louder the longer we have the television on. It is really annoying and hope you can help us sort it out.

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

Posted on Aug 09, 2008

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Posted on Jan 02, 2017

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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.

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1 Answer

High pitched noise


I am about to post a in depth guide about how to fix this problem. It's because a capacitor inside the TV has blown which causes the buzzing high pitched noise. It's really easy to fix however and only costs about £1 / $2 to sort out.

You can read a similar guide here http://www.fixya.com/support/r741402-polaroid_flm_373b_lcd_tv_black_screen but I will shortly be uploading a guide on the buzzing problem!

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2 Answers

High pitched noise


The power supply is starting to fail on your LCD. The noise you hear is because the circuit is trying to provide the proper power to the rest of the circuitry and is forcing itself.
The noise does increase if you tune to an HD channel because of more demand for power for a brighter picture.
Let me know if you need further assistance.

Sep 18, 2008 | Polaroid FLM-3734B 37 in. LCD HDTV

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.

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