Panasonic PT-50LC14 50" Rear Projection HDTV-Ready Television "play blurred lines video" Questions

lines through it. Initially I chalked it up to just needing to warm up, or possibly some condensation from AC nearby. In recent months it has gotten much worse, and there are some days when it gets so

lines running throughout picture and blurring screen.happens whether watching tv or dvd or playing video games. It's a mitsubishi Medallion 65in rear projection hdtv Do you have anything to test it in