Quoted from Pin_Fandango:Ok good to know.
I am learning how to read circuits (long way to go), can you tell me why they share the same color cable?
Previous owner connected something else to J118 so now I have to identify what goes there and put it in the right place, I think it is being used to power the DMD (pin2dmd)
If you.have connectors in the wrong spots, the coin door interface board could be sending incorrect voltage to the connectors, hence why the flipper button is firing the cannon. Dig into the manual, pg. 3.3 and start tracing out those wires.