This tv have a Tuner signal board it is also dead too,this problems happen sometimes,the power supply board dies,but sometimes the Tuner signal board take power surges from the power supply board itself than kiill the tv Tuner signal board too.Try website like Ebay.com to buy a refurbish tv Tuner signal board for the replacement.Fixed this problems,many times before.Blinking power LED light.First replaced the power supply board,than didn't solved the problems,than the tv Tuner signal board it is also dies too.
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