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I have a 50 inch Samsung DLP. Almost every time I turn it on, the picture freezes after a short time. If I unplug it and then re-start it, it is usually good for the night. Sometimes this might happen a couple of times. Sometimes when it freezes the sound will continue for a few minutes, but not always. If I don't unplug it, it will shut itself off after a few minutes. I replaced the light and that had no effect. Other than that the tv is great. Any help would be appreciated.

it could be the color wheel. it also could be a ballast or a power supply issue. it could be almost anything. did you clean all 3 fans when you replaced the lamp? they can get so dirty that things will over heat.