The pins and connectors should be .1", not the larger .156".
I verified that the +12V DC going to the flipper opto board comes from J116-2 on the power driver board. You should be getting +12V DC from the power driver board (J116-2). Truthfully, you may have it plugged at J116, J117 or J118. They're all tied together and should all register +12V DC at pin 2. LED 7 should be lit (upper left side of the power driver board) and also measure for 12V DC at TP1 just below LED 7. If you don't have 12V, the problem probably lies with C30 or BR5. I'd replace them both if suspect.
Also, if you have +12V DC at one or two of these locations, J116-2, J117-2 and J118-2, but not all, it's a cold solder joint on the driver board. You should have continuity between all three of those pins. If you don't, reflow some solder.