My mitsubishi dlp hd tv has color bleed and everything is purple and green after set warms up. What causes this to happen? What does it take to fix this problem. the set is only 15 months old.

I had the same thing happing to me and all i did was TAKE THE BIG PLASTIC COVER OFF THE BACK AND LEAVE IT OFF THEN MOUNT A SMALL DESK TOP FAN LIKE ONE OF THOSE CLIP ON KIND AND CLIP IT ON THE BACK POINTING IN THE LIGHT BULB AREA .TURN THE FAN ON TURN YOUR TV ON .NO MORE GREEN SCREEN PROBLE SOLVED!!!!!!TRY-IT IT WORKS.IT MUST BE A HEAT PROBLEM.

This set has the problem of sucking up dust and scuzzing up the light engine, this causes purple and green spots, A good tech can disassemble the light engine and clean it, the cheap ones will change the light engine