Looks like pin 3 of the 4046 is simply connected to the 0.35nf cap and then to ground. Where did you get the schematic?
On the VIC card, pin 3 would be connected or through divide by n 4017 chips to pin 4 (VCOout) of the 4046.
On the VIC card, pin 3 would be connected or through divide by n 4017 chips to pin 4 (VCOout) of the 4046.