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Sony tv mfm ht75w tv doesn't stay on, works for 10min sometimes,, other times only sec. i opened it all the caps seem ok, any ideas

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Sony tv mfm ht75w tv displace with white line and unclear picture

Posted on May 31, 2012

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Please clarify whether the entire tv powers off or only the screen turns off and you can hear the sound so that we can continue with the diagnosis. Sony LCDs are notorious for backlight inverter failures.

Posted on May 06, 2010

  • eagle338
    eagle338 May 07, 2010

    That does sound like a backlight inverter board failure. I have one more small diagnostic for you to confirm. Do you see a dull glow on the tv when the screen goes blank? If it does not then its time to get a new backlight inverter board and that will resolve the issue.

    Sai.


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