Below are some example repairs, it’s NOT an exhaustive log. 🙂
Bally Paragon
Issue: Game immediately tilts after feeding a ball to …
Williams System 11B CPU Board
Issue: No background music. Fix: U42 (music control PIA) …
Williams WPC Driver Board (Rottendog)
Issue: Client reports no 5VDC. Attempted to replace voltage …
Williams System 11 CPU Board
Issue: Client reports switch errors and solenoid issues. Diagnosis …
Williams WPC Driver Board
Issue: Client reports game resetting. Bench test of drive …
Stern Star Wars Premium
Issue: Gameplay issues. Fork ramp motor not working and …
Stern Elvira House of Horrors
Issue: Crypt motor not cycling properly, getting stuck in …
Bally Eight Ball Champ
Issue1: Won't start a game. Fix1: Tilt bob stuck …
Williams Theater of Magic
Issue1: Settings reset, corroded batteries. Fix1: Replaced battery holder …
Williams High Speed
Issue1: No kickback. Fix1: Clean mechanical assembly and adjust …
Bally Eight Ball Deluxe
Issue1: No ball kickout due to bad solenoid expander …