SOLD - 1978 Bally Six Million Dollar Man (#5) (Up to 6 players can play) (Upgrades include: New Alltek MPU board, New Alltek Solenoid Driver board, New Pinscore LED display set) - Pinball Restorations, LLC.
ULTIMATE MPU Manual
Bally Pinball MPU - Corrosion Repair - YouTube
Projekt Bally Fathom | Flippermarkt
Bally Eight Ball fährt nicht hoch - BALLY, BALLY MIDWAY & EARLY STERN 1977-1988 - GPA Forum / pinballz.net