[Can Anyone Help Me With My DLP Projector???]

I have a Plus U3-810sf projector, made by Texas Instruments, and it just failed on me a couple days ago. I tried taking it apart but i couldn't fix it. I was wondering if anyone knew where i could get a service manual for this, as I would like to fix it myself.

Or if anyone knows about projectors and they can tell me what's wrong that would be great.

Here is what it's doing:
- I can turn it on and the bulb and everything will boot up
- At this point it is a blue screen that says "No Video Connection"
- Then i try to hook up, let's say my PS2, to it through the video input
- Normally at this point the word "Auto" will flash where the words "No Video Connection" are for about 5 seconds and the picture will show up
- But as it's doing now, the words "No Video Connection" disappear (as they would normally where the word "Auto" would come up),
but "Auto" doesn't show up, and about 5 seconds later "No Video Connection" comes up again
- Then I am unable to turn it off
- Also, if I just turn on the projector, and don't attempt to hook anything up to it, it will turn off as it normally would

Thanx.
Your help would be appreciated.
- Jeff