Question about Zenith C27A24T 27" TV

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Zenith 27" TV

I have a 15 year old model that loses the picture (not the sound) a few minutes after it is powered on. If I pull the plug and plug back in, the picture comes back, but goes away within a few minutes. The only way to get the picture to stay on is to let it run about 45 minutes (until it is warm), unplug and replug. The process usually needs to be repeated about 3 to 4 times each time you watch.

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  • hartann2000 Oct 02, 2008

    not helpful. I was looking for what component was failing to see if I could replace it. I think the problem is one of cold spots, not hot spots.....

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  • 188 Answers

I sorry to say I think you have a component failing that is related to heat. 15 years is a long time and if the TV was used in hpot conditions over the years it may well be the proble, or it's just old.

Posted on Sep 23, 2008

  • rich medrano
    rich medrano Oct 03, 2008

    If you think that's the problem I suggest two things. You could use extreme care, slightly flex the circuit board to localize the area while the TV is on. No metal of fingers. I'd use a long wooden spatula with a rubber handle or something similar. Turn off and unplug the set then use a magnifying glass and inspect the area. I've found cracked solder connections around the high voltage area do to the weight of the transformers and such.

    You could also get electronic freeze spray to isolate the problem. Be selective.

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