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I have a Samsung LN45A650 connected to the dish network. Periodically the video will flicker on and off and eventually disappears. The audio remains. Changing channels does not restore the video. If the set is turned off and then back on, the video is restored until the next event.. The...

I have a Samsung LN46A650 connected to Dish Network. Periodically, the video will flicker on and off and eventually the video disappears. The audio remains. Changing channels does not bring the video back. Shutting the set off and turning it back on seems to resolve the problem until the next...

Samsung LN46A650 LCD TV experiences video drop out. Picture will flicker on and off and eventually will disappear but the audio remains. Cannot access sources menu during this situation. TV set can be shut off and then turned on again and the video is present. It then usually stays on. Anyone...