Question about Philips 50PF9631D 50 in. HD-Ready Plasma Television

3 Answers

One year old 50 inch top half of screen turns to black

When first turned on full screen shows as normal.Within about a minute screen starts to fade to black.If i adjust brightness contrast and color very,very low the picture might last a little longer.It does not fade to black all at once. It will fade with horizontal lines then fade to black. If the power is turned off and you wait about three minutes sometimes the picture may return for an instance.I would like to have a service manual so that i may go over the power supply.

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  • Master
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Hi and welcome to FixYa,

Offhand, I am inclined to suspect that the problem is heat related. A couple of ideas you may want to consider/explore:

  • try moving the TV farther away from the wall;
  • temporarily place a ventilator fan blowing air towards the rear of the unit;
  • operate the unit with the rear cover off;
  • check if the fans are turning;
  • electronics wise, would not suggest checking without referencing a service manual. At most that would be practical is to check for the obvious such as blistered/leaky capacitors, burn resistors.
Incidentally, for the service manual, the chassis number would have to be determined. A Philips chassis number would be something like BP2.3U.

Good luck and thank you for using FixYa.

Posted on Feb 03, 2009

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  • Master
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Hi.. the problem in ur television is due to the faulty capacitor circuits...Change over of new capacitors will solve ur problem

Posted on Feb 03, 2009

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  • Master
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That could be a lamp problem. However, you can start checking the power supply board for any possible faulty component.

Posted on Feb 03, 2009

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