Factory electronic repair manual to get

Bally's factory repair book is F.O.560-3 (title "Electronic Pinball Games Repair Procedures"); its fourth edition is dated 1 October 1981 and is the most complete. Get it together with the schematic for the specific game.

Systems

• Bally MPU AS-2518-17
• Bally MPU AS-2518-35
• Stern MPU-100
• Stern MPU-200

Source: Repairing Bally Electronic Pinball Games from 1977 to 1985, Part One, Clay Harrell (pinrepair.com)