Williams Pinball Repair Guides
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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