Batteries
William’s High Speed Display Problems Fixed
Here’s some tips you can use when troubleshooting display issues on your Williams System 9-11 series pinball machines.
#Displays
Batteries
Bally Pinball
PRO TIP: Servicing early Bally and Stern (‘77-‘84 MPU games) display high voltage power supply
Before pulling your early Bally or Stern power driver board out for service always check your display voltage as it can run high meaning there’s a failure in your high voltage display power circuit.
Bally Pinball
Repairing Your Early Bally Pinball Power Driver Display Voltage Section: Voltage Too High
When servicing your early Bally power driver board, always make sure to check the display output voltage *before* removing it for service. I forget to do this sometimes and end up having to take the board back out despite the displays working.