Question about Sony WEGA KE-37XS910 37 in. HD-Ready Plasma Television

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2004 sony wega 37'' plasma tv not turning on.

Ok so it turns on, the sound comes on, but the screen doesn't light up. the little sony light in the bottom middle comes on and then about 15-20 seconds later it goes back into standby. is it the plasma that has actually gone bad or are there video cards that go out on these tvs. ive been reading and appearantly this is a frequent problem. thanks a lot andrew

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  • 4 more comments 
  • candieandy Nov 18, 2008

    the tv powers up but theres no picture at all. when the input is on local tv coax. it makes the loud static sound until the tv recognizes that theres no input. then the sound goes silent. then the tv goes into standby mode.

  • candieandy Nov 18, 2008

    no the stand by light flashes red like it normally would.

  • candieandy Nov 18, 2008

    it flashes like it normally would.

  • candieandy Nov 18, 2008

    thanks a lot thats great

  • Any Guy
    Any Guy May 11, 2010

    So when the TV goes back into standby mode, the standby light does not flash?

  • Any Guy
    Any Guy May 11, 2010

    Does the standby light flash when the TV shuts down? If so, does it flash in a discernible pattern?


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You most likely have a power supply problem. but the problem may not be the actual power supply. The drive cicuits for the plasma panel can load down the power supply and give you the symptoms that you are having. Without being able to be there and take voltage measurements, I'm afraid I can't narrow it down more than that. My first suspect is that one or more of the sustain boards (the boards that drive the plasma panel) have failed. That would explain the lack of display. It is likely one of 3 boards that has failed, PSU (power supply) logic (the main control board for the set) or DE2 (panel drive board). There is a chance that the panel itself is bad, but that is not the most likely cause of your problem

Posted on Nov 18, 2008

  • Any Guy
    Any Guy Nov 18, 2008

    BTW my name is Andrew also and I hope I have answered your questions.


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