DOMINOES 1 VID GND A GND 2 GND (16V CT) B GND 3 16 VAC C 16 VAC 4 16 VAC D 16 VAC 5 E 6 COMP VID OUT F 7 H COIN 2 8 J COIN 1 9 K LED 2 10 L 2 LEFT 11 2 DOWN M 2 RIGHT 12 2 UP N 2 START 13 1 START P TEST 14 TEST R 15 S LED 1 16 T 17 1 LEFT U 1 DOWN 18 1 RIGHT V 1 UP 19 25 VAC W 25 VAC 20 25 VAC X 25 VAC 21 SP+ Y 22 GND (25V CT) Z GND (SP-)