| SOLDER SIDE |
|
|
COMPONENT
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
|
H |
7
|
Key |
|
Coin meter 2
|
J |
8
|
Coin meter 1 |
|
Coin lockout
|
K |
9
|
Coin lockout |
|
speaker (-)
|
L |
10
|
speaker (+) |
|
NC
|
M |
11
|
NC |
|
green
|
N |
12
|
red |
|
composite,
negative sync
|
P |
13
|
blue |
|
Service switch
|
R |
14
|
Video ground |
|
Tilt/Slam
|
S |
15
|
Test |
|
Coin 2
|
T |
16
|
Coin 1 |
|
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 |
| |
c |
25
|
|
| |
d |
26
|
|
|
GND
|
e |
27
|
GND |
|
GND
|
f |
28
|
GND |
|