Space Invaders (Midway) Pinout

Main Connector
SOLDER SIDE PARTS SIDE
+5V +5V
+5V +5V
+12V +12V
+12V +12V
-5V -5V
NC NC
KEY KEY
NC NC
NC NC
NC NC
NC NC
NC NC
NC NC
GND GND
GND GND
GND GND
GND GND
NC CVIDEO

Midway Space invader games have the same logic board edge connector pinout, but the sound / control board pinouts vary depending on whether the game is a regular Space Invades or a Space Invaders Deluxe.

Power Connector  (11 / 14 / 16 pin)
PIN FUNCTION
1 GND
2 GND
3 COIN1
4 CGND
5 COUNT1
6 POR
7 KEY
8 SPK-
9 SPK+
10 +12V
11 AGND

Note: Only 11 pins are wired on the adapter. For PCBs that have 14 or 16 pin connector, line up pin 1-11, leaving pins 12 onward unused.

Control Connector  (8 / 13 pin)
PIN FUNCTION
1 GND
2 P1RIGHT
3 P1LEFT
4 TILT
5 KEY
6 P1B1
7 P1START
8 P2START
9 NC
10 P2B1
11 P2LEFT
12 P2RIGHT
Note: This adapter uses 12 pins. For PCBs that have 8 or 13 pin connector, line up pin 1-8 or 1-12, leaving pin 9-12 or pin 13 unused.