cannot find adjustment board
I checked the opto with a digital camera. It is glowing. I wiped rx and tx with windexed q-tip. No broken wires. Re-set conectors on opto board. I still get no "ouch". When I start in test mode, it says check sw 51 dummy opto.
I cannot find the adjustment board you spoke of. I found the opto board way in the back under the playfield. How do you remove it to check for broken wires. Hard to reach! I just reseated connectors.
I looked near the jaw motor gears under the playfield. No small pcb with led for opto adjustment. The opto tx & rx wires go straight to the rear opto board that has no adjustments. I was hoping for a quick fix, but I cannot find the adjustment pot.
thanks,
rick