Sega 1 ------ Swat, Choplifter, Pitfall II, Flicky, Watermatch, Bullfight, Mr. Viking, Up n Down, ----------------------------------------------------------- Component Side | Solder Side ----------------------------+------------------------------ GND 1 | A GND GND 2 | B GND +5V 3 | C +5V +5V 4 | D +5V Coin Meter 1 5 | E Coin Meter 2 +12V 6 | F 7 | H 1P.Bomb 8 | J 2P.Bomb 1P.Fire 9 | K 2P.Fire 10 | L 1P.Down 11 | M 2P.Down 1P.UP 12 | N 2P.Up 1P.Right 13 | P 2P.Right 1P.Left 14 | R 2P.Left Coin 1 15 | S 1P.Start Coin 2 16 | T 2P.Start Test sw. 17 | U Service sw. 18 | V Speaker + 19 | W Speaker - Red 20 | X Green Blue 21 | Y Sync GND 22 | Z GND