Eagle Pinouts Centuri, 198? Solder Parts ----------------------------------------------------------- Gnd | 1 | A | Gnd Gnd | 2 | B | Gnd +5V | 3 | C | +5V +5V | 4 | D | +5V ? | 5 | E | ? ? | 6 | F | ? ? | 7 | H | ? Coin 1 | 8 | J | Coin 2 ? | 9 | K | ? 2P Start |10 | L | 1P Start P1 Right |11 | M | P1 Left P2 Fire |12 | N | P1 Fire P2 Right |13 | P | P2 Left ? |14 | R | ? Video Gnd |15 | S | Gnd (Not Used) Red |16 | T | Green Blue |17 | U | Sync Spkr+ |18 | V | (Not Used?) +12V |19 | W | +12V +12V |20 | X | +12V Gnd |21 | Y | Gnd Gnd |22 | Z | Gnd Notes: 1) Tie Spkr- to Gnd 2) All pins except V are on the schematics, though they are not labeled. It looks as though 5 & E, 6 & F & 7 & H, 9 & K, and 14 & R are each related somehow.