Report "WHEN THE TV GETS HOT THE PICTURE STARTS TO LOOK LIKE YOUR LOOKING THROUGH A PIECE FO NEGATIVE FILM STRIP. IT HAS THE SAWING NOISE SOUND ALSO WHILE THE TV IS ON. I HAVE AN RCA HDLP50W151Y3. THE BULB JUST WENT OUT ALSO BUT I NEED TO KNOW DO I NEED TO BUY A COLOR WHEEL OR A LIGHT ENGINE SINCE THE COLOR WHEEL IS HARD TO FIND. BUT IF I HAVE TO REPLACE THE LIGHT ENGINE I MIGHT AS WELL BUY A NEW LCD"