ROLLERGAMES (Williams) Aux power driver board
Williams System 11B pinball machines Auxiliary Power Driver Unit board.
Drop in replacement for Williams and Bally pinball machines using the System 11B Auxiliary Driver board. This board replaces original part number D-11813-XXX and D-12247.
New board features include:
- Plug and Play replacement
- LED lights for fuse and power supply checks shows status for all fuses on the board.
- Thicker circuit board for greater mechanical stability
- Heatsinks added to bridge rectifiers for cooler operation
- High quality 105° C capacitors for longer life
- D-12247-576 assembly