Williams Sinistar Upright Boardset

The upright sinistar boardset features 5-boards plus the joystick and Power Supply boards, the cockpit boardset features an additional D8224 Sound Board (without speech).

5770-09656-00 Rev D
R8731 Rev D CPU Board
R8731 Rev D CPU Board Front

This CPU board can be used in Stargate, Robotron, Joust, Sinistar and Splat! It cannot be used in Defender or Bubbles.

Schematics
SLICE Project
5771-09859-00
D9176 ROM Board
D9176 ROM Board Front

This ROM board is larger than other Williams ROM boards of the era and is unique to Sinistar.

Schematics
SLICE Project
5772-09869-00
D9191 Interface Board
D9191 Interface Board Front

This Interface board is larger than other Williams Interface boards of the era and can be used in Sinistar or Blaster.

Schematics
SLICE Project
5772-10068-00
C9471 49-Way Joystick Board
C9471 Joystick Board Front

The Williams optical 49-way joystick board was used in Sinistar (red ball top), Blaster (pistol grip) and Arch Rivals (orange ball top).

Schematics
1C-2001-146-6
D8224-3004 Sound Board
D8224 Sound Board Front

This Sound board can be used in a wide variety of Williams Video games from 1980-1983 and System 6, 6A and 7 Pinball machines.

Schematics
SLICE Project
1C-2001-147-3
C8228-3004 Speech Board
C8228 Speech Board Front

In addition to being used in Sinistar this Speech board can be used in a wide variety of Williams System 6, 6A and 7 pinball machines.

Schematics
5773-09679-00
D8784 Power Supply Board
D8784 PSU Board Front

This Power Supply board was used in some Stargate games and Robotron, Joust, Sinistar, Bubbles, Splat and other games and is paired with an external heatsink for the two T-03 transistors.

Schematics

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