Hello, I've been reading up on this forum and can see that there is a lot of helpful information here. So I'm hoping that you guy's can help me also. I've looked and I don't see any threads that address my problem. I have a VS-55707 (VZ8+ Chassis). I've had this unit for 9 years and it has...

I was lucky enough to be given a Mitsu VS-55707 by a VERY frustrated owner. The set would work beautifully for minutes or weeks and then suddenly shut off. Tries at turning it back on again only resulted in the fist-pounding two second turn off. The first things I did were fairly standard...