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WPC-91 Schematic 16-9289
This product is currently discontinued.
CALIFORNIA WARNING
This product can expose you to chemicals, including lead and DEHP, which are known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information, go to https://www.p65warnings.ca.gov.
Original Williams WPC Theory of Operation and Schematics 16-9289 Manual. Oct 1991. 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 Set-up, System Operation, 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.
Reference:
DOC1725
