WDB089Ā āĀ Driver Board compatible with Williams WPC89 and WPC-S pinball games. Ā The boards that this replaces are Bally / Williams part numbers A-12697-1, A-12697-3, and A-12697-4.
This board is a direct plug in replacement for the original OEM driver board. Ā
Key Benefits
āĀ Superior +5V Low Drop Out (LDO) regulation for operation at lower line voltages
āĀ Inrush current into power supply capacitors reduced for longer supply life
āĀ Simplified solenoid driver design using FET technology with oversized transistors
āĀ Discrete diodes replace bridge rectifiers for ease of troubleshooting and reduction in heat
āĀ Test points and LEDs added for all voltages generated on the board
āĀ Test point locations put into one location and clearly marked for easier troubleshooting
āĀ All new (not 20+ year old) components and PCB
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