[Mutation]

NEO-GEO :

SOLDER  COMPONENT
GND A 1 GND
GND B 2 GND
+ 5 V C 3 + 5 V
+ 5 V D 4 + 5 V
NC E 5 NC
+ 12 V F 6 + 12 V
- KEY -  H 7 - KEY - 
COUNTER 2  J 8 COUNTER 1
LOCK OUT 2 K 9 LOCK OUT 1
SPEAKER LEFT  L 10 SPEAKER RIGHT 
TEST SW. M 11 AUDIO + (MONO)
VIDEO GREEN  N 12 VIDEO RED 
COMP. SYNC  P 13 VIDEO BLUE 
SERVICE SW.  R 14 VIDEO GND 
COIN SW. 4 S 15 COIN SW. 3
COIN SW. 2 T 16 COIN SW. 1
START 2  U 17 START 1 
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 BUTTON A  Z 22 P1 BUTTON A
P2 BUTTON B  a 23 P1 BUTTON B
P2 BUTTON C  b 24 P1 BUTTON C
P2 BUTTON D  c 25 P1 BUTTON D
SELECT DOWN  d 26 SELECT UP 
GND e 27 GND
GND f 28 GND



J A M M A :

SOLDER  COMPONENT.
GND A 1 GND
GND B 2 GND
+ 5 V C 3 + 5 V
+ 5 V D 4 + 5 V
- 5 V  E 5 - 5 V 
+ 12 V F 6 + 12 V
- KEY -  H 7 - KEY - 
COUNTER 2  J 8 COUNTER 1
LOCK OUT 2 K 9 LOCK OUT 1
SPEAKER (-)  L 10 SPEAKER (+)
NC M 11 NC
VIDEO GREEN  N 12 VIDEO RED 
COMP. SYNC  P 13 VIDEO BLUE 
SERVICE SW.  R 14 VIDEO GND
TILT SW.  S 15 TEST SW. 
COIN SW. 2 T 16 COIN SW. 1
START 2  U 17 START 1 
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 BUTTON 1 Z 22 P1 BUTTON 1
P2 BUTTON 2 a 23 P1 BUTTON 2
P2 BUTTON 3 b 24 P1 BUTTON 3
NC c 25 NC
NC d 26 NC
SW-GND e 27 SW-GND
SW-GND f 28 SW-GND



SEGA SYSTEM 16-24 :

SOLDER  COMPONENT.
GND A 1 GND
GND B 2 GND
+ 5 V C 3 + 5 V
+ 5 V D 4 + 5 V
+ 12 V E 5 + 12 V
COUNTER 2  F 6 COUNTER 1
NC H 7 NC
P2 BUTTON 3 J 8 P1 BUTTON 3
P2 BUTTON 2 K 9 P1 BUTTON 2
P2 BUTTON 1 L 10 P1 BUTTON 1
NC M 11 NC
P2 DOWN N 12 P1 DOWN
P2 UP P 13 P1 UP
P2 RIGHT R 14 P1 RIGHT
P2 LEFT S 15 P1 LEFT
NC T 16 NC
NC U 17 NC
NC V 18 NC
NC W 19 NC
START 1  X 20 COIN SW. 1
START 2  Y 21 COIN SW. 2
NC Z 22 TEST SW. 
NC a 23 SERVICE SW. 
SPEAKER (-)  b 24 SPEAKER (+)
VIDEO GREEN  c 25 VIDEO RED 
COMP. SYNC  d 26 VIDEO BLUE 
SW-GND e 27 SW-GND
SW-GND f 28 SW-GND