Tries tv unplug,replug it back like an hour later.For the tv to do a resetting it back to the tv factory setting.The tv should be working again now,if not.Tv have power supply board 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.Ur tv is under a year old?Yes.Ur tv is still under warrenty.Look inside ur tv user manual for their 1 800...customer service.Call the Emerson tv corp.for the tv warrenty repair.
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