Pinout B18
   | PARTS SIDE | PIN | PIN | SOLDER SIDE | 
| GND | 1 | A | GND | 
| GND | 2 | B | GND | 
| +5V | 3 | C | +5V | 
| +5V | 4 | D | +5V | 
| +12V | 5 | E | +12V | 
| -5V | 6 | F | -5V | 
| COIN 2 | 7 | H | COIN 1 | 
| P2 START | 8 | J | P1 START | 
| P2 RIGHT | 9 | K | P1 RIGHT | 
| P2 LEFT | 10 | L | P1 LEFT | 
| P2 UP | 11 | M | P2 UP | 
| P2 DOWN | 12 | N | P1 DOWN | 
| P2 A | 13 | P | P1 A | 
|  | 14 | R |  | 
|  | 15 | S | SERVICE | 
| GND | 16 | T | GND | 
| VIDEO GREEN | 17 | U | VIDEO RED | 
| SYNC | 18 | V | VIDEO BLUE | 
|  | 19 | W | SPEAKER | 
|  | 20 | X | COIN METER | 
| GND | 21 | Y | GND | 
| GND | 22 | Z | GND |