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My picture is turning hazy once the TV is on for a short time.  I looks really cloudy as if the picture is being filtered too much.

raherdt  this could be caused by a bad main board as well as a bad panel. Remove the back and check the wiring to make sure that everything is connected properly as well as check for obviously damaged components. Post some images so we can see what you see and let us know the exact model of your TV Adding images to an existing question