![Wiliams MPU Replacement (System 3 - System 7) Wiliams MPU Replacement (System 3 - System 7)](https://www.pinball.center/17239-large_default/wiliams-mpu-replacement-system-3---system-7.jpg)
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Wiliams MPU Replacement Board (System 3 - System 7), MPU and Driver Board in one!
Plug & Play board of the open source version from lisy.dev, a private project. All documentation is available on lisy.dev to make this board yourself. Lisy WillFA7, Version 1.2 complete.
Only for experienced mechanics!
Please note installation instructions!
Compatible Pinballs: