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Lg PLASMA 42pc1rv SWITCHING ON AND OFF, CLICKING NOISE

Hi, My LG plasma keeps switching on and off after about 2 hours of use. You then have to unplug it for about 20 mins before it will work again. I have seen a fix on here for it by changing some of the capicitors, but my power supply is a different model to that one. My power supply is 6709900023A. If anyone knows which caps to change it would be most appreciated.

Posted by on

  • abe123 Jun 19, 2010

    Have just bought a second hand power supply off Ebay and the problem has gone,working perfectly now. Hope that helps anyone with the same problem.

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6 Suggested Answers

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Posted on Jan 02, 2017

tvtechnician
  • 105 Answers

SOURCE: Vscan voltages on LG Plasma

yes it actually works but i wouldnt do it unless your a trained professional. this really shouldnt be done without an oscilliscope.

Posted on Oct 16, 2007

SOURCE: Fujitsu Plasma Automatic turn off after 5 mins

faulty power supply usually

Posted on Oct 24, 2007

  • 1 Answer

SOURCE: Vscan voltages on LG Plasma

Are your sparkles mainly red pixels flashing randomly over the TV screen, especially over darker areas? If so your sparkles are I believe a discharge problem, and can be fixed with a firmware upgrade, which I think resets and corrects the voltage and removes the sparkles, which is caused by misfiring of the gases produced with plasma TV's. I have had my TV repaired with a firmware upgrade, which takes only 10-15 minutes and is reasonably cheap repair, and now the TV looks great, no more sparkles. Don't play around with the voltages let the pros fix it, also beware! leave this too long and it can become permanent, and need a new screen which is half the price of the a new TV.

Posted on Nov 05, 2007

  • 15 Answers

SOURCE: 42 inch LG Plasma TV - Lost picture

ysus pcb that supplies voltage to the panel is faulty

Posted on Dec 15, 2007

  • 1 Answer

SOURCE: power shuts off and blinks red .

I had a similar problem, but mine didn´t switch on when pressing on button, I had to take the back cover off and hit the relays, it seems they get stuck, and are difficult to find to replace them. Now it has been working during almost a year with no problem at all. Mine is 4 years old.

Posted on Apr 08, 2008

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