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 used Williams Electronics SOLID STATE FLIPPER MAINTENANCE MANUAL. March 1980. FIREPOWER and later games
This 35-page instruction manual provides identification and mechanical adjustment, game adjustment, bookkeeping, diagnostic, and maintenance procedures and interconnection charts for Williams solid state flipper games (Systems 3, 4, 6) starting with Gorgar and Laser Ball. It also includes general interconnection information, as well as some handy troubleshooting charts.
Reference:
16P-497-100