I have a 50" Samsung DLP TV, model HLP5067W. I recently came across this problem. When I turn the TV on, it powers up like normal. Picture and sound and color are good for a few minutes. Then the picture goes black and no sound can be heard while the lamp light blinks for a few seconds. Then the TV shuts itself down and a buzzing noise can be heard. The remote doesn't work. The TV then turns itself on with a buzzing noise and there is no picture, only a black screen but sound can be heard like normal. Then the whole process repeats itself over and over again. I have to unplug it to stop it. I've had the tv for 4 1/2 yrs without a single problem. I just changed the lamp just a few days ago believing that I had a weak lamp, knowing the lamp only lasts about 5 yrs. I replaced it with an OEM samsung lamp and the problem still occurs. Can anyone lend a hand as to what the cause could be.
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