Frisky Tom (Nichibutsu 1981) 1 GND 2 GND 3 TEST 4 CONECTION ERROR 5 +5 6 +5 7 1P UP 8 1P DOWN 9 - 10 - 11 1P LEFT 12 1P RIGHT 13 COIN 1 14 COIN 2 15 1P START 16 2P START 17 2P UP 18 2P DOWN 19 2P LEFT 20 2P RIGHT 21 SERVICE 22 EDIT 23 - 24 COUNTER CHECK 25 - 26 SPEAKER 27 6.3VAC 28 +12 29 +5 30 +5 31 +5 32 +5 33 GND 34 GND 35 GND 36 GND