Well, I guess this is solved. I ended up opening up the projector and found that 1 of the 3 ribbon cables that go from the mainboard to the lcd panels was slightly skewed and therefore not completely ...

View image: http://i16.photobucket.com/albums/b22/Ubermateo/vaioVertLines.jpg <BR>Pic taken right after POST, during BIOS splash screen. The lines appear immeadiately ...