Taito 2/3 Layer Space Invaders Part I and II Pinouts
Sound Board (Top Board)
Solder Side Pins Parts Side
Ground A 1 GroundGround B 2 GroundGround C 3 Ground
Speaker + D 4 Speaker -+12v DC E 5 +12v DC
KEY F 6 KEY
+18v DC (+12v DC OK) H 7No Connection
Ground J 8 Ground+5v DC K 9 +5v DC
No ConnectionL10Power-On-Reset (POR)Video Ground M 11 ResetPlayer 2 Start N 12 TiltPlayer 1 Start P 13 CoinPlayer 1 Right R 14 Player 1 FirePlayer 1 Left S 15 Video Red
Video Blue T 16 Player 2 RightVideo Green U 17 Player 2...
                                            

                                                    Taito 2/3 Layer Space Invaders Part I and II Pinouts
Sound Board (Top Board)
Solder Side Pins Parts Side
Ground A 1 GroundGround B 2 GroundGround C 3 Ground
Speaker + D 4 Speaker -+12v DC E 5 +12v DC
KEY F 6 KEY
+18v DC (+12v DC OK) H 7No Connection
Ground J 8 Ground+5v DC K 9 +5v DC
No ConnectionL10Power-On-Reset (POR)Video Ground M 11 ResetPlayer 2 Start N 12 TiltPlayer 1 Start P 13 CoinPlayer 1 Right R 14 Player 1 FirePlayer 1 Left S 15 Video Red
Video Blue T 16 Player 2 RightVideo Green U 17 Player 2...