Mine does the same thing, I took the three screws that hold the cover on the AVC out,removed the cover and put a fan on the boards that are behind the power light,that the cable to the tv connects to,and mine has not done it sense,not sure how long but the problem is that when under heat something in that area is failing.or this is a engineer problem not adequate amount of air flow on there AVC,s.Because of the amount of complaints for the same exact problem
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Mine does the same thing, I took the three screws that hold the cover on the AVC out,removed the cover and put a fan on the boards that are behind the power light,that the cable to the tv connects to,and mine has not done it sense,not sure how long but the problem is that when under heat something in that area is failing.or this is a engineer problem not adequate amount of air flow on there AVC,s.Because of the amount of complaints for the same exact problem