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Sony KP53XBR45 no picture and sound/problem is high-volt shutdown immediately

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  • kadesh Jul 07, 2008

    135 volt was ok immediately then goe away,

    please respond asap,

    thank you

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Check the soft start system within the ower supply. also check se 135 and the electros .

Posted on Jul 07, 2008

  • john clyde Jul 09, 2008

    ok. now disconnect the collector of the horizontal out transistor.

    now try turning it on and check to see if the voltage remains.



    if so you have a crook flyback tranny.



    also before changing the tranny remove the vertical ic and attempt to start it.



    if it does start , it will come on with a line across the middle and normal sound.

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