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.