KNUCKLE JOE Manufacturer: Seibu Kaihatsu Year: 1985 COMPONENT | SOLDER ---------------------+---------------------- GND | 1 | A | GND +5V | 2 | B | +5V +5V | 3 | C | +5V Coin 1 | 4 | D | Coin 2 1P.Left | 5 | E | 1P.Right 2P.Left | 6 | F | 2P.Right | 7 | G | Blue Green | 8 | H | Red 2P.Kick | 9 | I | 1P.Kick Speaker |10 | J | Speaker +12V |11 | K | +12V +12V |12 | L | +12V Sync |13 | M | 1P.Punch |14 | N | 2P.Punch 1P.Start |15 | O | 2P.Start |16 | P | 2P.Up |17 | Q | 1P.Up 2P.Down |18 | R | 1P.Down Counter |19 | S | Counter |20 | T | GND |21 | U | GND GND |22 | V | GND