JAMMA connector pinout
Infos from [HardMVS.com]
GND | A | 1 | GND |
GND | B | 2 | GND |
+5V | C | 3 | +5V |
+5V | D | 4 | +5V |
E | 5 | ||
+12V | F | 6 | +12V |
Key | H | 7 | Key |
Coin counter #2 | J | 8 | Coin counter #1 |
Lockout coil #2 | K | 9 | Lockout coil #1 |
Left speaker + | L | 10 | Right speaker + |
Test switch | M | 11 | Mono audio + |
Video green | N | 12 | Video red |
Video sync | P | 13 | Video blue |
Service switch | R | 14 | Video GND |
Coin switch #4 P2 | S | 15 | Coin switch #3 P1 |
Coin switch #2 P2 | T | 16 | Coin switch #1 P1 |
P2 Start | U | 17 | P1 Start |
P2 Up | V | 18 | P1 Up |
P2 Down | W | 19 | P1 Down |
P2 Left | X | 20 | P1 Left |
P2 Right | Y | 21 | P1 Right |
P2 A | Z | 22 | P1 A |
P2 B | a | 23 | P1 B |
P2 C | b | 24 | P1 C |
P2 D | c | 25 | P1 D |
Select down | d | 26 | Select up |
GND | e | 27 | GND |
GND | f | 28 | GND |