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Tv won't stay on

My phillips 34'' will not stay on.I'll turn it on, it will stay on for a few minutes, then shut off. The model# is 27PT81S125.

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  • cedcreek Nov 14, 2007

    The tv just shuts off randomly after turning it on.

  • Anonymous Aug 20, 2008

    mine shuts off in about 10 - 15 minutes and wont go back on unless i unplug it and let all the copassitors drain and what not, i opened the tv in order to see if there was a clear cut power supply and there isnt but i did some resarch and there are 3 boards in there, main logic, and 2 other smaller circut boards, one attached directly to logic and other has cables running to logic, one of those needs to be replaced, which oneĀ 

  • Anonymous Aug 21, 2008

    I have a 32' in Phillips and it worled fine for ever and now, when I turn it on, it shuts off within seconds, HELP!!!!!!!!

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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SOURCE: Help..... Phillip Magnovox Model 9P5034X101

NOT EXPENSIVE POWER SUPPLY PARTS ARE NEEDED TO BE REPLACED . ONLY A TECH WHO , HAS EXPERIENCE ON THIS TV MODEL AND THE KNOWLEDGE ABOUT THIS PROBLEM ,COULD FIX THE TV RIGHT THE FIRST TIME. OTHERWISE REPLACE POWER DEFLECTION BOARD ,PARTS AVAILABLE AT PARTSTORE OR SIMILAR COMPANIES

Posted on May 16, 2008

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  • 90 Answers

SOURCE: 36 tv shuts off after few minutes

have power board checked -- sounds like a short in the transformer

Posted on Feb 24, 2009

freetek
  • 5568 Answers

SOURCE: Phillips Magnavox Model 20MT1331/17: It shuts off

The poster, Jim K, is probably in possession of at least a layout of the power supply and the 'location' is likely derived from a grid used to physically find parts on a board.
220 uF is a common value for an electrolytic capacitor and the 200V is the rated sustained DC voltage it can tolerate. 
The 130 volts could be caused by a capacitor that is failing and not smoothing the rectified voltage as it should.
In other words, you kind of need a tech.   

Posted on Apr 14, 2009

rhozel2010
  • 269 Answers

SOURCE: My TV won't stay on until it's warm?

have your unit power supply check, maybe some cold solder or leaky capacitor is the culprit.

Posted on Aug 01, 2009

  • 336 Answers

SOURCE: I have a Phillips Magnovox Projection T.V. It's

Hi,it sounds like a problem with the color wheel.The color wheel is a disc looking that the light of the lamp goes trough it to create the colors .It spins at very high rpms and through time it will begin to go bad and it will make that loud humming noise.Here;s instructions to replace the color wheel: http://guides.fixyourdlp.com/samsung/bp96-01579a.php Good luck and May God bless you!

Posted on Oct 20, 2009

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