Williams Pinball Repair Guides

Note: This page is a work in progress. Please help get it to a completed state by adding any useful information to it.

Here is the breakdown for Williams Repair Guides. These are broken down into the major eras or Williams pinball machines, and should provide repair guides to almost all problems.

• 1977 - 1984 Williams System 3 - System 7
• 1985 - 1990 Williams System 9 and System 11
• 1990 - 1999 Williams WPC System
• 1999 Williams Pinball 2000 System

Official ROM updates for WPC machines can be found here