Projection TV sets have two very common problems listed below.
Problem #1) Convergence
These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the
picture to look normal. This is called convergence.
When its out of alignment the video will look
3-D, wavy, distorted, etc. Most of the
time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection
TV sets including
Sony,
Samsung,
JVC,Philip
Magnavox,
Panasonic,
Akai,
Pioneer,
Hitachi,
Mitsubishi,
Zenith and others.
You can
get more information and a DIY convergenece repair kit with instructions from the link below.
Here are some of the most common problems with these sets...
*Screen Looks
3-D *Colors wont align
*Screen may look distorted or warped
*No Audio/Video -
TV Shuts down - May also make a constant chirping sound
Problem #2 - Another common problem is dull or washed out video.
Your set may have one or more of the following symptoms....
*Dull looking
picture *White looking
picture *Halos around objects
*Red/Orange looking
picture
You can see some more examples and find a fix using this link on Fixya
http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull
sets have several common problems listed below. 
The bulb from my Mitsubishi 52" WD52525 TV is surrounded by a hard plastic & paper housing. I ordered a new bulb but it didn't come with the housing like the one from the TV. I don't know how to get the one old out of the housing without tearing the paper which is perforated around the edges. Can the paper housing be torn to get the bulb out? Of course once it’s torn, it’s no longer any good.
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