| COMPONET SIDE | SOLDER SIDE | ||
| GND | 22 | Z | GND |
| BLUE | 21 | Y | CMP SYNC |
| RED | 20 | X | GREEN |
| SPEAKER | 19 | W | SPEAKER |
| SERVICE SW. | 18 | V | NOT USED |
| TEST SW. | 17 | U | NOT USED |
| COIN SW 2 | 16 | T | 2P START |
| COIN SW 1 | 15 | S | 1P START |
| 1P LEFT | 14 | R | 2P LEFT |
| 1P RIGHT | 13 | P | 2P RIGHT |
| 1P UP | 12 | N | 2P UP |
| 1P DOWN | 11 | M | 2P DOWN |
| NOT USED | 10 | L | NOT USED |
| 1P SHOP | 9 | K | 2P SHOP |
| 1P BOMB | 8 | J | 2P BOMB |
| NOT USED | 7 | H | NOT USED |
| +12V | 6 | F | NOT USED |
| COIN METER 1 | 5 | E | COIN METER 2 |
| +5V | 4 | D | +5V |
| +5V | 3 | C | +5V |
| GND | 2 | B | GND |
| GND | 1 | A | GND |