I'am in the proccess of replacing the color wheel on this set. After I had it apart I decided to blow out the dust. I used some stuff from Staples . I sprayed the plastic plate with the foam on it that fits into the body of the tv. It is just above the spot where the light goes ito the tv. As it turn out this can contain gas not air and distorted plate slightly. Is this just a cover or does it reflect the picture . It is black plastic. Help
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