Tries tv unplug,replug it back like an hour later to let tv to do a resetting itself back to the factory setting.Tv should be work again now.If not,tv still have the same result.U have all the tools and some basic understanding of electronic and also can do some basic soldering work?Yes.Take the tv unit aparts,check the tv power supply board,that the board where the power a/c cord plug into it.Check the tv power supply board carefully looking for dying capacitors parts,it usally or alway bulges or puffing up onto it tops.These dying capacitors are the causes and problems.It is must be replaced.Replaced these dying capacitors with new capacitors with the same micro ferit but with a higher voltages like 5 or 10 voltages for better heat resistance for later,tv to not to be happenning again same problems in years on later.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.
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Tries tv unplug,replug it back like an hour later to let tv to do a resetting itself back to the factory setting.Tv should be work again now.If not,tv still have the same result.U have all the tools and some basic understanding of electronic and also can do some basic soldering work?Yes.Take the tv unit aparts,check the tv power supply board,that the board where the power a/c cord plug into it.Check the tv power supply board carefully looking for dying capacitors parts,it usally or alway bulges or puffing up onto it tops.These dying capacitors are the causes and problems.It is must be replaced.Replaced these dying capacitors with new capacitors with the same micro ferit but with a higher voltages like 5 or 10 voltages for better heat resistance for later,tv to not to be happenning again same problems in years on later.Or tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board for the replacement.