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Try connecting the TV directly to a different wall outlet and check. If the issue persists, try power resetting the TV. Turn Off the TV and
remove the power plug from the wall outlet for 1 minute and reconnect it and check the operation. If the issue persists, then the TV requires service.
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When tv it shutting itself off by it own does the tv power LED light indication flashes?Tv turn on now,the tv power light indication,just flashes?Yes,than ur tv power supply board is the causes and the problems.That the board,where the power a/c cord plug into it.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.
sounds like a pain ..have you looked in the menu to see if you can shut it off ? try watching the tv with the batteries out of the remote to see if you have a fault with that .good luck farr64[colin]
it souds like the cooling fans arent working correctly. if the tv is staying on long enough to warm up and then shutting down i would look at the cooling fans
Sounds as though you have a video problem. It may be the convergence chips. The TV is shutting down do to a default in the circuit ( the set knows there is an error of somekind so it shuts down to protect itself). This is a problem that needs a pro trouble shooter since it could be in about any board. Sorry I couldn't help more
Ed
NC Electronic
Mills, Wyoming
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