BATTLE LANE PART SIDE CKT SIDE --------- -------- 1 PL 1 DOWN A PL 2 DOWN 2 PL 1 UP B PL 2 UP 3 PL 1 LEFT C PL 2 LEFT 4 PL 1 RIGHT D PL 2 RIGHT 5 E 6 F 7 H 8 SERVICE J 9 PL 1 FIRE K PL 2 FIRE 10 PL 1 MISSLE L PL 2 MISSLE 11 PL 1 START M PL 2 START 12 COIN 1 N COIN 2 13 CNTR P CNTR 14 VID BL R VID GR 15 SYNC S VID R 16 T 17 SP + U SP - 18 +12V V 19 +5V W +5V 20 +5V X +5V 21 GND Y GND 22 GND Z GND