Outer Limits 4x4 Board

I've searched for the last hour and I simply cant find a nice service diagram of the impco 225 mixer (pref with part numbers) so I can suss mine out.

Cheer's

Simon

part no for ca225 is av1-12-2
fb225 is av1-1245-2
call vic auto gas for impco parts 97751900

not quite what I was after but thanks