WPC Theory Of Operation And Schematics


If you own a late model Williams/Bally pinball machine and want an in-depth understanding of how it works, this 1991 Williams Tech Support document is for you.

It contains 60 pages of set-up, system & circuit operation and troubleshooting info plus an additional 14 large circuit schematics. WPC games (WILLIAMS Pinball Controller) are listed on page 28 in the revisions chart.


  • 16-9233

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