Galaga Pin Out

Discovered in a Galaga project with some papers to document this knock off board.

Components Side Pin Pin Solder Side
Ground (GND) A 1 Ground (GND)
Ground (GND) B 2 Ground (GND)
Ground (GND) C 3 Ground (GND)
S.P D 4 S.P
+12VDC E 5 +12VDC
NOT USED F 6 NOT USED
Test Switch H 7 NOT USED
+5VDC J 8 NOT USED
+5VDC K 9 +5VDC
NOT USED L 10 Coin
Ground (GND) M 11 Ground (GND)
Ground (GND) N 12 Service Switch
2 Player Start P 13 1 Player Start
Fire R 14 Right
Video Red S 15 Left
NOT USED T 16 Video Blue
NOT USED I 17 Video Green
NOT USED V 18 Video Sync

Settings

Galaga (bootleg)

Right below the Edge connector there are two Banks of switches. They are at board location M1 and J1. Switch A is at M1 and is the only one used for settings. I do not have any clue what J1's Switch bank controls.

1 2 3 Coins per Play 4 5 6 Bonus (with 2-4 Fighters) Bonus (with 5 Fighters) 7 8 Fighters at Start
ON ON ON Free Play* ON ON OFF First Fighter at 20,000
Others at each 60,000 		First Fighter at 30,000
Others at each 100,000 		ON ON 2 Fighters
ON ON OFF 4 Coins, 1 Play ON OFF ON First Fighter at 20,000
Others at each 70,000 		First Fighter at 30,000
Others at each 120,000 		ON OFF 3 Fighters
ON OFF ON 3 Coins, 1 Play ON OFF OFF First Fighter at 20,000
Others at each 80,000 		First Fighter at 30,000
Others at each 150,000 		OFF ON 4 Fighters
ON OFF OFF 2 Coins, 1 Play OFF ON ON First Fighter at 30,000
Others at each 100,000 		First Fighter at 30,000
Others at each 100,000 		OFF OFF 5 Fighters
OFF ON ON 2 Coins, 3 Plays OFF ON OFF First Fighter at 30,000
Others at each 120,000 		First Fighter at 30,000
Others at each 120,000 		     
OFF ON OFF 1 Coin, 3 Plays OFF OFF ON First Fighter at 20,000
Others at each 60,000 		First Fighter at 30,000
Others at each 150,000 		     
OFF OFF ON 1 Coin, 2 Plays OFF OFF OFF First Fighter at 30,000
Others at each 80,000 		One Bonus Fighter at 30,000      
OFF OFF OFF 1 Coin, 1 Play ON ON ON No Bonus No Bonus      

Volume is located at S1.

* Free Play does not work on my board.