Starship 1 (1977 Atari)

pin  name               pin  name
---  ----               ---  ----
1    +10v ct grd        A    +10v ct grd
2    +10v unreg         B    +10v unreg
3    +10v unreg         C    +10v unreg
4    +10v ct grd        D    +10v ct grd
5                       E    slam sw n.o.
6    video out          F    roll pot wiper
7    pitch pot wiper    H    start led
8    start n.o.         J    test n.o.
9    slow n.o.          K    photon n.o.
10                      L    +5v
11   phasors n.o.       M    video grd
12   grd                N    grd
13                      P
14   grd                R    grd
15   coin 2 n.c.        S    grd
16   lockout            T    grd
17   coin 1 n.c.        U    grd
18   speaker            V    speaker grd
19   25v ac             W    25v ac
20   25v ac             X    25v ac
21   25v ct             Y    25v ct
22   grd                Z    grd