Looking for help with this ecp4100. I'm driving this from a couple of sources (problem does not seem to care which ie. dvd or htpc) thru Electrohome video switcher using that Electrohome multi-pin cable to the ceiling mounted projector. The problem has to do with the green tube only. It will intermittently flicker and then at times go out entirely, then relite and be fine for hours or days. It looked to me like an input or connector problem, and reseating the PWCs did seem to help, but it has not fixed. I'm in process of making up new RGB cables to bypass the switcher and the multi-pin cable before I look inside the projector.Maybe someone out there has a silver bullit (dream on) on this one?? Failing that I'll be needing some block diagrams for the unit.Would appreciate any useful help.