BLuRry wrote:
So whatever it is, it's mostly digital. I'd guess it might be more of a video output device of some sort. Or some odd logic controller that uses an RCA connection to a missing external device.
I doubt it's video - looks to me like an (motorola) MCU, some ROM, some RAM and a bunch of 74 logic, no doubt including the A2 bus interface.
You could probably derive the function by tracing the connector outputs back to the MCU?!?
Regards, -- | Mark McDougall | "Electrical Engineers do it | <http://members.iinet.net.au/~msmcdoug> | with less resistance!"