PINBALL: Repairing Bally, Stern Pinball Games 1977-1985, part two
Alltek Universal Replacement MPU Bally/Stern
MPU 100/200 battery board for Bally/Stern games – No Quarters Arcade
Here's a follow up image from my first post on this Bally 1978 Playboy machine. I've opened the backbox and the mpu looks like this (mainly corrosion on bottom). The light blinks
PINBALL: Repair Bally 6803 Pinball Games 1985-1989.