update from old synthguy:
Well, IC2 and IC10 are shared between the voices on the card. IC2 (pins 6,7,8 and 9,10,11) is Voice A VCO1, pins 1,2,3 and 3,4,5 is Voice B VCO1. Same division of labor for IC10.
CV comes into pin 9 (Voice A) and pin 2(Voice B). Pins 6 and 4 are tied to ground. Pins...