Question about Sony WEGA KE-42TS2 42 in. HD-Ready Plasma Television

3 Answers

TV COMES ON THEN AFTER A FEW MOMENTS STARTS CUTTING OFF.

THAN I SHUT OFF TV AND SCREEN IS BLANK. AFTER A FEW HOURS I TURN TV BACK ON AND SCREEN WILL COME ON AND DO THE SAME THING. ANY HELP WOULD BE GREAT.
THANKS MARK

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  • M TUCKER Jan 08, 2009

    Is there anyway to check this componet.

  • M TUCKER Jan 08, 2009

    Thank you for the quick response. I will get it checked out. Have a Great Day

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3 Answers

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  • Master
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Have you had any recent power outtages? anything that would cause the problem? if its a nice tv abd worth fixing i would take it in and have it serviced and warrantied so if you have any more problems with it they fix it for free.i would take it to a shop and have it repaired rathre than try to do the fix it youself thing because it could be so many things causing the problem.

Posted on Jan 08, 2009

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  • Master
  • 1,550 Answers

The high voltage sine is shorted and some components are not working properly .

Posted on Jan 08, 2009

  • SAM ANDERSON Jan 08, 2009

    You cant check at home . You need to call service technican for checking this components . It is very risk to perform this action . I will provide you in detail what they will perform

    The traditional method to check whether sine wave is properly generated is using an Oscilloscope- A crystal oscillator produces a sine wave when excited. It is appropriate then, to see a waveform representative of a sine wave on the clock pins. If the clock is not working properly then the components will be replaced.




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  • Sony Master
  • 19,396 Answers

That sounds like a poer board that is failing.

Posted on Jan 08, 2009

  • Ginko
    Ginko Jan 08, 2009

    If the screen is blank , no raster but there is power than that is probably not the power supply.

    If screen is blank and this is a CRT, then it is likely a problem on the deflection circuit, a cold solder joint, or an IC that is failing.

    If this is an LCD it can be a bad inverter, a bad connector or ribbon cable, or again a faulty component.

    To fix this kind of problems you need to have a technician testing your TV.

    I can be provide more details if I have the TV model.




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