So the latest development for me. I've finally got the transistor and coil replaced and working for my multi-ball. The 'flash' lights on the launch lane don't flash when they're supposed to though. It's not even something I'd thought of before because I guess I'm dense. I knew the launch lane itself didn't work so I guess I just never thought to really look at the lights involved but they don't work apparently. Bulbs are good I took them out and tested them. All the connections underboard look good. Checked the connection to the driver board and it looks fine. Any ideas?