Question about Toshiba 42HP83 42 in. HD-Ready Plasma Television

1 Answer

Snowy black picture

Hi,

My plasma screen has a snowy black screen and no sound. None of the controls seem to work other than the on/off switch. I've replaced the power supply so that good. I can get the sound to work if i remove the g-hyper board which also turns the screen green with a flicker. The sound/volume work and tv/video button will change the inputs with the g-hyper board removed. Should i replace the g-hyper board, the main signal board, or should i be looking at something else?

brad

Posted by on

  • bardx86 Sep 11, 2008

    I have the service manual but it doesn't have any trouble shooting steps, so im flying blind a bit. Is there some way i could determine what part is bad?

    brad


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  • Toshiba Master
  • 8,617 Answers

I would think that the signal board would be more suspect than the hyper board for the symptoms you're describing. However I would recommend getting the service manual and doing some troubleshooting rather than just replacing circuit boards.

Posted on Sep 11, 2008

  • Sonny Berry
    Sonny Berry Sep 11, 2008

    I will see if I can find some info on your model and I will repost as soon as I find out anything on which boards may cause the symptom.

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