Question about Philips Magnavox 51MP392H Rear Projection Television

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37 INCH LCD MAGNAVOX TV WILL NOT TURN ON. MUST BE

37 INCH LCD MAGNAVOX TV WILL NOT TURN ON. MUST BE UNPLUGGED FOR AT LEAST ONE MINUTE THEN GREEN LIGHT FLASHES AND FINALLY POWERS OFF. PUSHING POWER BUTTON FINALLY TURNS IT ON AFTER APPROX. 10 MINUTES.

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  • Philips Master
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This problems,very common in LCD tv,after the tv was in used about a year or two.The new technalogy LCD tv don't handle heat very well,not like the old CRT Tube Tvs.The power supply board tend to have bad capacitors componnents leakage,that bulges up it top or puff up gases escape,that why it take times or couples pushes to the power botton to turn the tv on.U know basic electronic's,and have soldering tools and solders?Take the tv aparts,check for these bad capacitors,that bulges,puff up in the power supply board and replaced them,than ur power will work normal again.Or tries Websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.

Posted on Apr 29, 2010

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Posted on Jan 02, 2017

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Powering on my tv


Dear smmmobil,
The problem lies with the SMPS (switch mode power supply ) of your TV. The smps board needs to be replaced.

ramesh22

Jun 15, 2008 | Televison & Video

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