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Troubleshooting
Williams/Bally WPC System & System 11. |
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JAMMA Connector
| SOLDER
SIDE |
PIN |
PIN |
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 |
H |
7 |
KEY |
| COIN
COUNTER 2 |
J |
8 |
COIN
COUNTER 1 |
| |
K |
9 |
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| SPEAKER
(-) |
L |
10 |
SPEAKER
(+) |
| AUDIO
(GND) |
M |
11 |
AUDIO
(+) |
| VIDEO
GREEN |
N |
12 |
VIDEO
RED |
| VIDEO
SYNC |
P |
13 |
VIDEO
BLUE |
| SERVICE
SWITCH |
R |
14 |
VIDEO
GND |
| |
S |
15 |
TEST
SWITCH |
| COIN
SWITCH 2 |
T |
16 |
COIN
SWITCH 1 |
| START
SWITCH 2 |
U |
17 |
START
SWITCH 1 |
| 2P
UP |
V |
18 |
1P
UP |
| 2P
DOWN |
W |
19 |
1P
DOWN |
| 2P
LEFT |
X |
20 |
1P
LEFT |
| 2P
RIGHT |
Y |
21 |
1P
RIGHT |
| 2P
PUSH 1 |
Z |
22 |
1P
PUSH 1 |
| 2P
PUSH 2 |
a |
23 |
1P
PUSH 2 |
| 2P
PUSH 3 |
b |
24 |
1P
PUSH 3 |
| |
c |
25 |
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d |
26 |
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| GND |
e |
27 |
GND |
| GND |
f |
28 |
GND |
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