My projection tv looked like it was in 3D for a few minutes then went blank. Created by benzing. Televison & Video - Hitachi - 51F500 51" Rear Projection HDTV-Ready Television

These sets have several common problems listed below. Problem #1) Convergence Symptoms: Screen Looks Distorted/3D Colors wont align Screen may look distorted No Audio/Video - makes a chirping sound.Problem #2 CRT Fluid has clouded over. Symtoms Dull looking screen White looking sceen Halos around objects Red/Orange lookingYou can see some examples and find a fix here...http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull