MARIO BROTHERS COMP SIDE CKT SIDE --------- -------- 1 GND A GND 2 GND B GND 3 +5V C +5V 4 +5V D +5V 5 +12V E +12V 6 -5V F -5V 7 COIN 2 H COIN 1 8 2 START J 1 START 9 2 RIGHT K 1 RIGHT 10 2 LEFT L 1 LEFT 11 M 12 N 13 2 JUMP P 1 JUMP 14 R 15 CTR 2 S SVC 16 GND T GND 17 VID GN U VID RED 18 SYNC V VID BL 19 SP+ W AUDIO 20 +24V X CTR 1 21 GND Y GND 22 GND Z GND