How to clean a rear projection tv screen and mirror | ehow, How to clean a rear projection tv screen and mirror. you might think the only thing that needs cleaning on your rear projection tv is the front screen. other. How to clean the screen on a rear projection tv | ehow, Rear projection tvs seem to be made to collect large amounts of dust and spiders. it's good to be paranoid about cleaning anything off the lenses or the screen itself. » how to clean and repair projection tv | roobaroo, How to clean and repair projection tv. if you have a projection tv and the picture quality seems so washed out, you might need to do little cleaning up..