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JAMMA Standard Pinout

** 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  
  Speaker (-) L 10 Speaker (+)  
  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 Y-Dir Player 2 Up V 18 Player 1 Up Player 1 Y-Dir
Player 2 Y-Clk  Player 2 Down W 19 Player 1 Down Player 1 Y-Clk
Player 2 X-Dir Player 2 Left X 20 Player 1 Left Player 1 X-Dir 
Player 2 X-Clk  Player 2 Right Y 21 Player 1 Right Player 1 X-Clk
  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  
1 Player 2 Button 4 NC c 25 NC Player 1 Button 4 1
1 Player 2 Button 5 NC d 26 NC Player 1 Button 5 1
2 Player 2 Button 6 GND e 27 GND Player 1 Button 6 2
  GND f 28 GND  

JAMMA is a standard 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 (Street Fighter, Mortal Kombat, etc) which need extra buttons have extra connectors for these additional controls. The JAMMA connector is a 3.96mm pitch-edge connector (male on game board).

1 Non-standard buttons, seen on some games, but not part of the JAMMA standard.
2 In the 2010's, Chinese JAMMA boards started mapping the grounds on pins 'e' and '27' to INPUTs, to avoid using a KICK harness.
** JAMMA Trackball pinout differences, used for games like Capcom Bowling.


 


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