Question about LG 60PV450 60-Inch 1080p Plasma HDTV

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Free tv repair advice

About two minutes after the TV is turned on, it starts making a whirring noise. The longer the TV is on, the louder the whirring noise gets. Please help...the noise is making me crazy!

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  • LG Master
  • 74,473 Answers

The noise you hear must be from its back-light inverter board. The ferrite core in the inverter transformer may make a high whistling noise and will be annoying. Contact any technician. It can be stopped by gluing. But is a skilled work.

Posted on Apr 24, 2013

  • Maria Adams Apr 24, 2013

    Thank you for responding to my question. It's an older tv so probably not worth spending a lot of money on it for repair. I was hoping it would be something simple I could fix myself!

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Posted on Jan 02, 2017

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jerryg50
  • 1667 Answers

SOURCE: tv making loud buzzing noise

A common cause are failure of decopling capacitors in the audio section, and or the circuit board power distribution that feeds the audio board. Most of the capacitors are surface mount components. The standard fix is to start by changing the circuit boards that have the defective parts.

If the set is under warranty, call for warranty service. Out of warranty service is expensive for these TV sets.

Jerry G.

Posted on Aug 10, 2012

SOURCE: LG Plasma TV 50PC3D

The TV should be under warranty. Send back. Sounds like the panel is faulty (half the value of the set).

Posted on Feb 06, 2007

gsalmen
  • 77 Answers

SOURCE: The tv takes 25 minutes to turn on.

i would look at the power supply as it sounds like the caps in it are getting weak

Posted on Oct 14, 2009

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