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JAMMA Standard Pinout
JAMMA (Japan Arcade Machine Manufacturers' Association) is a standard 56-way connector used on many arcade boards to simplify conversion of cabinets from one game to another. The majority of games use a subset of this pinout. Some games (e.g. Street Fighter) which need extra buttons have extra connectors for these additional controls. The JAMMA connector is a 3.96mm-pitch edge connector (male on the game board).
| SOLDER SIDE |
# |
# |
PARTS SIDE |
|
GND
|
A |
1
|
GND |
|
GND
|
B |
2
|
GND |
|
+5V
|
C |
3
|
+5V |
|
+5V
|
D |
4
|
+5V |
|
-5V
|
E |
5
|
-5V |
|
+12V
|
F |
6
|
+12V |
|
Key, no pin
|
H |
7
|
Key, no pin |
|
Coin counter 2
|
J |
8
|
Coin counter 1 |
|
Coin lockout
|
K |
9
|
Coin lockout |
|
Loudspeaker (-)
|
L |
10
|
Loudspeaker (+) |
|
NC
|
M |
11
|
NC |
|
Video analog green
|
N |
12
|
Video analog red |
|
Video composite sync
|
P |
13
|
Video analog blue |
|
Service switch
|
R |
14
|
Video ground |
|
Tilt/Slam
|
S |
15
|
Test |
|
Coin B
|
T |
16
|
Coin A |
|
Player 2 Start
|
U |
17
|
Player 1 Start |
|
Player 2 Up
|
V |
18
|
Player 1 Up |
|
Player 2 Down
|
W |
19
|
Player 1 Down |
|
Player 2 Left
|
X |
20
|
Player 1 Left |
|
Player 2 Right
|
Y |
21
|
Player 1 Right |
|
Player 2 Button 1
|
Z |
22
|
Player 1 Button 1 |
|
Player 2 Button 2
|
a |
23
|
Player 1 Button 2 |
|
Player 2 Button 3
|
b |
24
|
Player 1 Button 3 |
|
Player 2 Button 4
|
c |
25
|
Player 1 Button 4 |
|
Player 2 Button 5
|
d |
26
|
Player 1 Button 5 |
|
GND
|
e |
27
|
GND |
|
GND
|
f |
28
|
GND |
|