Pinout B21

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