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Television does not work after being plugged in?

I recieved a Panasonic Plasma hdtv model TC-P50G10 television from a vacant apartment where i work at. It did not have a power cord so i went on line and ordered one through the Panasonic web site I hooked my cable box up plugged in the television and i get no picture sound or anything. I left it sitting plugged in for a day or so thinking it just had to reboot itself. That is not the case. All i get on the television is a red light that blinks 7 times over and over again. Could you please answer why this is happening and or what I can check or try and order to replace so I can get the television to work.

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Panasonic Parts department at 800-833-9626

Here's a video for a possible fix for the 7 blinking lights. He replaced the whole SC board but I would first look for burned components on the to see if it could be fixed with a $1.00 part: https://www.youtube.com/watch?v=ZS5vH2Q7...

https://www.shopjimmy.com/tvs for parts

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I have a plasma tv also and had to do some repairs to it. First find a safe place to place the tv face down and remove the back cover. Plug the set in and check for a green LED light flashing (this is the logic board). Your set has a power supply board in it that may be defective. You can find helpful videos on You Tube to help diagnose your problem. Once you resolve the problem, you will be very please with the picture you get from a plasma tv. PLEASE BE CAREFUL TO NOT LET THE SCREEN COME IN CONTACT WITH ANY OBJECTS. THE SCREEN IS FILLED WITH A GAS AND YOU DO NOT WANT CAUSE A LEAK. IF THIS HAPPENS, YOU MIGHT AS WELL THROW THE SET IN THE TRASH. IF YOU HAVE DIGITAL MULTIMETER YOU CAN TEST TO SEE IF THE POWER SUPPLY IS GETTING CURRENT AND IF IT IS SUPPLYING IT THE SUSTAIN BOARDS.

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