Question about Toshiba 50HPX95 50 in. Plasma HDTV

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Power led blinks but no picture or sound

Toshiba plasma 50hpx90 screen went black today while watching. now red power led just blinks but no picture or sound

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  • bubba1598 Apr 24, 2009

    Thank you for your advice. I was able to find the small module plug but mine was a PJ63A.

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Had the same problem myself. Took some doing but I managed to find a service bulletin that I downloaded. The problem is with the siene module and all you need to do is unplug connector JP63A from the main board and your TV will work again.
Take the back off the TV (there are a lot of screws) and look on the left hand side of the main circuit board that is mounted in the center of the TV. You will see a small white connector that is labelled JP63A, simply unplug it. Plug the TV back in and let it reboot. That's it, should be able to watch immediately.

Posted on Mar 15, 2009

  • Dennis Wolf Jan 02, 2011

    Worked perfectly! Thank you

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The number of the small white connector on my plasma was PJ63A and is located on the left side. Thanks again to mchale420.

Posted on Apr 24, 2009

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The SEINE module may be bad if you do not watch HD off air you can bypass this module and your TV will come right back on.

Posted on Oct 27, 2008

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