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Sega Naomi System
JAMMA Harness Wiring
(JAMMA I/O BD)
(Figure 4)
4
1
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3
5
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1
8
19
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A
B
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D
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H
J
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M
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P
R
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U
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Z
a
22
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4
e
d
26
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c
b
28
f
27
9
W
Ground
Ground
Ground
Ground
+5v (Not Used)
+5v (Not Used)
+5v (Not Used)
+5v (Not Used)
(Not Used)
(Not Used)
+12v (Not Used)
+12v (Not Used)
Key
Key
Coin Meter 1
Coin Meter 2
(Not Used)
(Not Used)
(Not Used)
(Not Used)
(Not Used)
(Not Used)
Video Red
Video Blue
Video Ground
Video Green
Video Sync
Service
Test
(Not Used)
Coin 1
Coin 2
1P Start
2P Start
1P UP
2P UP
2P Down
1P Down
1P Left
2P Left
1P Right
Attack 1P (1P SW1)
Grapple 1P (1P SW2)
Support 1P (1P SW3)
Ground
Ground
2P Right
Attack 2P (2P SW1)
Ground
Ground
Support 2P (2P SW3)
Grapple 2P (2P SW2)
(Not Used)
(Not Used)
(Not Used)
(Not Used)