You might not have to buy a new one.
send it off for repair- and you can get a free quote- call TP Matrix projector repairs- 0161 626 4067
www.tpmatrixprojectorrepairs.co.uk
They will check your projector for free- better then getting rid of a completely fine projector and having to buy another one for £300 +
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix video projectors.