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I have TH50PZ80U panasonic plasma the red light blinks twice any idea guys and the second question is wich board is the A board thanks

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A board is that has input jacks at back of tv and 2 times blinking led shows problem of missing 15V supply in D board that is under A board.
Remove A board to get access to D board. Below image shows A board location in tv.
Caution: It is complicated tv and novice should avoid to get involve in repair as its job of qualified and experienced tv repairman.
Thanks.

i have  TH50PZ80U panasonic - 5f8e586.jpg

Posted on Sep 14, 2010

  • Dan Frazier
    Dan Frazier Oct 15, 2011

    I've got the same tv with the exact symptoms. I have troubleshot it and downloaded a service manual. I was able to measure the +15v momentarily being supplied on the output of the main board on p25 but it quickly shuts down . I am thinking that the D board is controlling this and am wondering if this would be the best choice as the first board to try replacing rather than the main PS board. I am having trouble find one in stock anywhere. Any suggestions for sources. I see that lots of others are having/have had issues with this same product/power supply area. The tv was manufactured in 11/08 and I bought it in 12/09.

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