Issue1: Won’t start a game. Fix1: Tilt bob stuck closed. Issue2: No sound. Fix2: Bad volume pot, replace with resistor of reasonable value (no replacement pot on-hand) Issue3: Some controlled lamps not working. Fix3: Replace bad bulbs and one socket.
Issue1: No ball kickout due to bad solenoid expander relay control. Fix1: Repair burnt connector at lamp board and replace power supply board (bad switched illumination section).