LIFE FORCE PARTS SIDE CKT SIDE ------------ ------------ 1 GND A GND 2 GND B GND 3 +5V C +5V 4 +5V D +5V 5 -5V E -5V 6 +12V F +12V 7 KEY H KEY 8 CTR 1 J CTR 2 9 COIN LOCKOUT K COIN LOCKOUT 10 SP + L SP- 11 M 12 VID RED N VID GN 13 VID BL P SYNC 14 VID GND R SVC 15 TEST S 16 COIN 1 T COIN 2 17 1 START U 2 START 18 PL 1 UP V PL 2 UP 19 PL 1 DOWN W PL 2 DOWN 20 PL 1 LEFT X PL 2 LEFT 21 PL 1 RIGHT Y PL 2 RIGHT 22 PL 1 PUSH 1 Z PL 2 PUSH 1 23 PL 1 PUSH 2 a PL 2 PUSH 2 24 b 25 c 26 d 27 GND e GND 28 GND f GND