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LG TV makes High Pitched Noise and will not turn on

Hi, I experienced a freak lightning storm while gone at work and now my 42" LG LCD TV will not turn on. When I plug it in, it makes a high pitched noise and the power button stays lit (red). When I press the power button to turn it on, the TV does not respond. Can anyone tell me if my TV is repairable? Or is it a total loss?

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  • Televison & ... Master
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Check its main digital board.

Posted on Jul 12, 2013

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6ya6ya
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Posted on Jan 02, 2017

gilheero
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SOURCE: High Pitch Noise on 42" PLasma Gateway TV

how old is your plasma TV? try check the switch / volume of the sound settings.. Sometimes, when you always increase the volume, it will tend to alter the limit of sound and causing the sound to provide sound undesiredness. I suggest to check it with a liscensed technician.

Posted on Feb 05, 2008

  • 1 Answer

SOURCE: lg 42 inch tv, power but no picture and a high pitched sound.

My picture is making people look like cartoon characters, ral red like. then it may play for awhile normal

Posted on Oct 08, 2008

Shuttle83
  • 1139 Answers

SOURCE: 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,

Shuttle83

http://www.electron-age-technologies-llc.com

Posted on Apr 07, 2009

  • 2 Answers

SOURCE: Hitachi Ultravision won't turn on

it is the power board in the tv hase some bad capasators in it but can cost some money to fix if unsher how to do it on your own if you live in central new york i do have my own shop and im cheep but i can not warenty any thing but i can help 315-280-0508 storm electronics ask for corey

Posted on Aug 04, 2009

  • 1 Answer

SOURCE: loud buzzing noise on vizio tv

Vizio lost picture, made loud buzzing noise now won't come on. Is it repairable?

Posted on Feb 15, 2013

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