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I have a 42" Plasma Panasonic Viera model TC-P42S10B. I had been off power for 15 days. When I came back and tried to turn it on, the front led blinks quickly green once and than a cyle of: 12 times red blink, off for 2 secs, 12 times blink red, off for 2 secs, ...

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  • Daniel Soares Aug 01, 2013

    Now I could find out that 12 blinks means SOS Sound. IC 701 (VILC87F2G081 POWER MICOM) is not signaling /BIAS_MAIN on pin number 21. Without this signal the power supply cannon generate some voltages, including 15Vsound. I have no clue on why isn't IC701 turning on /BIAS_MAIN (pin 21 is always 5V but should go to 0V to turn on the signal). Any clues?

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SOURCE: LOST POWER ON A VIERA 42 INCH PANASONIC PLASMA TV

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SOURCE: Magnavox 50" plasma Won't Power on/Shut's off/Blinking red LED

The above fix, listed by Tom saved us!! We did as instructed and took off the back of our 50 inch Magnavox plasma tv. We were not sure what we were looking for so we googled capacitator (image) & there was a photo of a fried capacitator! Sure enough we noticed ours were "fried", we took out the board and went to an electronic supply store, bought the 2 capacitators ($2.00 each!!) and then found someone who did tv repair to sauter the new capacitators onto the board. (It is important someone who know how to sauter and recognizes polarity do do this for you) All in all we fixed this following the above instructions for $34.00 and our time. For a month we were told to spend hundreds getting a new power board!
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Posted on Feb 02, 2009

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SOURCE: tv red blink no start42 plasma philips

Thank you for the help. I actually changed the whole main power supply board and it still did not fix the problem. When I put the new one in, I had the tv on for about 3 hours and then I shut it off. No sooner did I get it back up on the wall and the problem started all over again.When I pulled the original board, the caps all looked fine so I am not even sure the board is bad. Problem is there is no one around me to test it. I am not going back to the same shop that already told me that it was a bad main power supply board. Any other suggestions?

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Posted on Nov 10, 2009

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SOURCE: Panasonic plasma 50PZ85 power led blink 10 times

Either a bad power supply or a bad processor board.
A Good Service Shop should know what the 10 blinks are indicating.
May be a repair cost between $200 and 400 dollars.
Be prepared -
Blessings,
A/V Media Guy

Posted on Nov 22, 2009

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