Repair guides and support for Panasonic's Viera line of televisions.

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red light flashes 10 or 11 times doesn't come back on

I have a 42 inch viera panasonic just cut off today its only 2 years old red light flashes 10 or 11 times doesn't come back on I hear the click for it to turn on but next I hear another click then light flashes tried cleaning it no help.

Somebody HELP ME PLEASE!!!!!!!!

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I didn't see any fans inside the tv


This model has two exhaust fans at the top of the set. I just replaced nine.


modelTH50px80u. yr:2008 .no cooling fans.


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I have a 5 yr old Plasma by Panasonic. I had the same issue and spoke to a tv repairman. He informed me that a new circuit board would cost around $175 and a new Panasonic Plasma would be $400 so it wasn't worth getting a new circuit board. I was able to use a "band aid" solution below that seems to be working for now. I'm probably going to have to purchase a new tv within the next 2 years.

Try the following:

Unplug the TV for 1 minute and plug into a different power circuit, if possible, separate from the other components. Turn it on and it should work.

Try taking out the back cover and use a compressed air cleaner to clean all of the dust off the board.

Avoid powering off your tv and quickly turning it back on. The blinking light issue will surely occur.

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A buddy gave me his '08 TH-42PZ80U when it started getting the 2 and 10 blink errors. I followed this Youtube channels advice;

TV powered up. Ordered the full capicator kit for $10 off eBay. The cheapest 42" Plasma I've ever owned.

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my thp50vt20z kept turning off and red light flashing 11 times i un screwed the back and used my air compressor to blow out all the dust around the fans and everywhere now it works fine no trouble at all

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It could possibly be the AUDIO board shutting down, as it sees either loud speaker going "short" or lower than the 8 ohm resistance... and safe-guard shuts-down the tv itself.

Unplug both speakers and check if unit works....

(In my case 43" Plasma, it was the TNPA4311 DG board shutting down to a low resistance OEM loud speaker .... Replaced left speaker with the correct 8 ohm and all good again.)

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