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What is ur tv problem?No tv power LED light incation all or power LED light indication an OPC LED lights indication flashing togethers?Tries tv unplug,replug it back like about an hour later,for the tv to do a whole resetting.Tv might work again.Tv still have no pwer all?Yes.The tv power supply board it is dead,that the board where the power a/c cord plug into it.If the tv have both power LED and OPC LEDS lights blinks together.The tv main board Tuner signal board it is the cause and the problems it is dead.Tries websites like Shopjimmy.com,Ebay.com to buy a whole refurbish power supply board or a main Tuner signal board for the replacement.
That sounds like a resolution problem. If you have a PC attached to the TV, unplug the monitor cable, and plug a computer monitor to the computer. Change the resolution down to 1024x768, then try plugging back into the TV
Try unplug,replug tv about an hour later.The tv now resetting,itself back to factory setting.The tv should work now.Not,than the power supply board is dead.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.
Check the power source?Try unplug,replug tv an hour later.Let the tv resetting itself back to factory setting.The tv should work now.No,LCD tv have common problems power supply board died alot.This tv is new,call Sharp for warrenty repair.
Reboot ur HDTV box buy unplug and replug is an hour later,see if get the color back.If not,than ur Sharp tv Main Tuner signal board is dead that the problems,must replaced the Tuner signal board to solved this problems.
Unplug it hold down the Channel Down button and the Volume Up button unplug it for 10 seconds then plug it back in and continue holding them down for another 10 seconds then release. I had the same issue and this fixed it now I have another though *~*
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