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Sony wega ldm 42 lcd tv wont turn on somtimes

Tv will turn on..makes noise picture for a few seconds..then turns off

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  • ady6 Nov 12, 2008

    KDL 42XBR950 package.includes separate media station.

    LDM4210 is the screen #

    currently turning on 1 in 20 attemps.

  • ady6 Nov 13, 2008

    It flashes 6 times..

  • ady6 Nov 14, 2008

    Are you saying that the problematic conponant is on the mother board the ,where the external power comes in and is distributied to the other boards. are these the units that are screwed onto the heatsinks and have three pins leading back to the circit board? Am i looking for a visable fracture,or should i just replace..

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Post the model number please


caypianan@yahoo.com



Posted on Oct 31, 2008

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  • ESTEBAN MERINO
    ESTEBAN MERINO Nov 12, 2008

    OK THIS IS A SONY TV, NOW HOW MANY TIMES DOES THE LIGHT BLINK WHEN IT TURNS ITSELF OFF, YOU HAVE TO COUNT THEM BECAUSE THAT IS VERY IMPORTANT, I NEED TO KNOW IN ORDER FOR ME TO HELP YOU.

  • ESTEBAN MERINO
    ESTEBAN MERINO Nov 13, 2008

    ok you have to check the 5volts regulator line in the tuner board,but it has two more boards either one of them could be bad and thats gonna be your problem. usually the ic 5 volts regulator goes bad that would be the best case scenario , i think is ic504 look for it.it should be surrounded by other ics mount on heatsink/





    good luck

  • ESTEBAN MERINO
    ESTEBAN MERINO Nov 14, 2008

    like i said i could be the 5 volts regulator or one the boards. try to replace the 5 volts regulator first

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