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I have a 73 inch Mitsubishi tv that has no picture and a high pitch sound

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: hum on tv

mine does it too.. Circuit City won't take it back because I've exchanged four of them even though I have a 30 day return policy.  They claim it all within there discretion. We'll see what the judge says about that. Anyways. This TV is a $1,000.00 paper weight that i'm about ready to throw out

Posted on Feb 19, 2008

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  • 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

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It will sound like a high pitched whine.

This is a section or your television that you don't want to fool with unless you are quite familiar with servicing your set. There are very high voltages involved and only a qualified technician should tend to this defect. It maybe easy to fix or it may be quite involved. Get an estimate first then decide to go further or not. There is a potential fire hazard here so don't operate your set until this is resolved.

Zashiban

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