Question about Olevia LT32HVE 32 in. LCD Television

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High pitch sound from the speakers

I have this annoying high pitch sound coming from both speakers. I checked the cable hook up and all of the power sources, I even tried a DVD though the system and I still heard the buzz, after a hald hour I started to develop ear pain and a headache? Ever hear of this?

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Re: high pitch sound from the speakers

Is the noise present even when there is no input?

Posted on Feb 27, 2008

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There is no sound but a faint high pitched whine. Picture is fine. Have tried powering both cable and TV box off for over 5 minutes. When I mute, whine stops.

Check the speaker/s. If found OK; check and replace the damaged component/s at its audio output section circuit board. If needy, replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. Surf the site with patience.

Nov 11, 2015 | Flat Panel Televisions

1 Answer

High pitched noise coming from back of Viore LC32VH56A. Not speaker related.

A refurbished set!

Its a coil or transformer that is not tightly mounted or is vibrating hard enough to make the sound, If this is a refurbished set that is why it was returned and exchanged-----

Two ways to fix---locate which board is bad and correct the problem with Hot glue on the individual part making the noise OR just replace that board.

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High pitch frequency noise coming from rear of TV and is very annoying to listen too. It is a constant noise and is more apparent when there is more black color on screen.

High pitch sound on LC-42D62 is reproduced by switching transformers on power supply board. To correct this problem, you will need to remove power supply unit from the TV, spray all transformers with SILICONE CONFORMAL COATING. Let it dry for 12Hrs. Then install power supply unit back.

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1 Answer

Noise coming from the speakers

The right speaker is not tighly connected. Check for
loose connection at the terminals, that causes to oscillate (high noise)

Oct 11, 2009 | Audiovox FPE3000 30 in. HD-Ready LCD...

1 Answer

High pitched noise from inside the TV when picture comes on

Hello randapaint,

This might be from the IHVT (Integrated High Voltage Transformer), or more specifically a short in the IHVT causing it to arc, producing the high pitched whine, you are hearing. Take the back off of the TV and try to detect where the sound is coming from, more then likely you will notice it coming from the section that contains a large component with a large red cable coming from it, to the top of the CRT (picture tube). Replace the IHVT (with the exact same model) if it is bad.

I hope this helps,

Thank you,


Apr 07, 2009 | Flat Panel Televisions

1 Answer

Sanyo TV buzzing

may be a problem with power supply.

Nov 14, 2008 | Sanyo DP42746 42 in. Plasma Television

2 Answers

Annoying buzz!!!

be certain its not your cable providing the noise by being ungrounded .or interference from some other device connected or around tv.
disconnect everything except the cable.
turn off all dimmer lighting around tv. try now.
are you using a cable box, if so bypass ,plug cable directly into tv.
try sound again.
then remove cable and plug in dvd or vcr. and try audio now.
if it continues no matter,
its a warranty repair or just use external speakers ,cable boxes can control the audio to ext speakers.

Mar 26, 2008 | Flat Panel Televisions

1 Answer

High pitch noise

Hello there, You have to specify where the noise is coming from. Is it coming from the speaker or from the back of the unit. SMPS power supply powering your unit create this kind of noise when some capacitor gone out of their value.

Good Luck.

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