![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 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](https://preview.redd.it/l8s6s73sdh341.jpg?auto=webp&s=12bd11d1c6766e0c3e18278b65ccdf09b57d09c2)
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
![Bally Paragon Pinball - MPU board work to mitigate battery corrosion damage (p3) - PinballHelp.com - YouTube Bally Paragon Pinball - MPU board work to mitigate battery corrosion damage (p3) - PinballHelp.com - YouTube](https://i.ytimg.com/vi/PJNvsCUtzCM/maxresdefault.jpg)
Bally Paragon Pinball - MPU board work to mitigate battery corrosion damage (p3) - PinballHelp.com - YouTube
![Repairing Your Early Bally Pinball Power Driver Display Voltage Section: Voltage Too High – No Quarters Arcade Repairing Your Early Bally Pinball Power Driver Display Voltage Section: Voltage Too High – No Quarters Arcade](https://noquartersarcade.com/wp-content/uploads/2022/05/649149E9-A0F7-4C35-8DF1-808A2BE83993-1024x768.jpeg)