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