really nice console! it has Isophon speakers so it must sound really good, it would be a real shame to part it out!
The aux in socket is a standard DIN socket, the connections are usually left-right in-ground-right-left out, but the inputs and outputs can be on the opposite side depending if the socket was wired for input only or as "diode recording" (that's the european name for a tape deck in-out connection