Hi Peccavi,
Try changing the internal fuse. Powering-up problems can sometimes be as simply fixed as that. You need to give more info on your problem, as well as your make and model, to get more helpfull answers.
Dave
November 2009
Big job - you need to get to learn some of the basics of electronics - become proficient with hand tools, test equipment , reading schematics. Develop some troubleshooting and diagnostic techniques. First though you need work out the make & model of your projector.
Peccavi
November 2009
Automatic Answer
We may have found other answers which could help you.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix video projectors.