Question about Sony KV-32S42 32" TV

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My sony Trinitron KV-32S42 keeps blinking on and off

I have a sony Trinitron 32 inch that started recently with the screen blinking on and off. The image itself is fine its just that it keeps cutting on and of every couple of seconds or so

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  • tma615 Nov 11, 2008

    the model number is KV-32S42
    serial number is 8108573


  • chuyck Nov 13, 2008

    I have the same problem with tv blinking on and off it also started in November-time for a new tv or can it be fixed?

  • Anonymous Mar 18, 2009

    Every few seconds my TV will go to black screen then back to the picture, over and over.

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This can be a symptom of the picture tube starting to fail or a power supply problem. Can you please verify the model number and I'll then be able to give you a few options.

Thanks,
Dan

Posted on Nov 11, 2008

  • ABRsvcs Nov 11, 2008

    Thanks for verifying the model. If you are confortable with this, try the folowing:



    Remove the back and locate the flyback transformer (part with large red wire coming out the top).

    There should be 2 controls on this part. One will be labeled Focus and the other Screen. You need to rotate the screen control slightly clockwise. If that resolves the problem, the picture tube is starting to fail and you should take your time to locate a new set. Turning up the screen will only "fix" the problem for a short time (anywhere from a week to a month or more). If you turn it up too high, you will see the retrace lines in the background of the picture.



    Keep us posted.



    Dan

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