Archive of the former Yahoo!Groups mailing list: OldSynths

I just picked up an Ensoniq Mirage for parts and would like to see if
I can coax some life out of it. Everything appears dead. Power
supplies are good. I'm trying to see if the processor appears
functional. I found one bent over pin and thought perhaps that was it
but it is still dead.

I'm having trouble finding a datasheet for a 68B09 processor. Does
anyone know where one is posted?

The G- (pin 20) of the 2732 seems to follow the system clock (1MHz)
which is screwy. Anyone have a ecopy of the logic portion of this
part of the schematic? I'm starting to think the processor may be
bad. I don't want to invest in a full set of schematics since this
whole unit may be junk. I'd like to at least see if the processor is
trying to read data from the eprom.

Dave