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Williams System 3,4,6 & 7 Combination MPU & Driver Board

Williams System 3,4,6 & 7  Combination MPU & Driver Board
Code: PC-MPU327
Price: $280.00
Shipping Weight: 3.00 pounds
> Out of Stock
Quantity in Basket: None
This board replaces both the MPU board AND the Driver board for ALL Williams System 3, 4, and 6 pinball games.

Benefits over original Williams MPU and Driver board

- Eliminates the extremely problematic interconnect connector that fastens the original boards together
- Eliminates the need to swap out game ROMs.  Game ROMs are selectable via DIP switch
- Comprehensive on-board diagnostics using Leon's test code via DIP switch http://www.flipper-pinball-fan.be/
- Uses 6802 instead of 6800 microprocessor
- Uses a single commercially available oscillator component for timing
- Uses Williams WPC style controlled lamp circuit design (TIP107)
- Uses Logic Level FET drivers for all solenoids and lamp controls
- Uses sockets for common failure components (micro, PIAs and RAM).
- Uses a low voltage reset to keep microprocessor from locking up

This game does use custom software that is NOT compatible with your original game's board set.

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