Also Sean (@Arcadedoc524) can repair MC PCBs. Here's a link to some of his Missile Command repair videos on his YouTube channel if you want to spot-check along:
Classic arcade PCB repair channel .. specializing in pre JAMMA arcade PCB repair. Reading and understanding schematics as well as use of oscilloscopes, logic analyzers and other Arcade related stuff My name is Sean, and having grown up in the 80's, i fell in love with the arcades.... the...