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Airduel (Irem 1990)
SW1
1 2 3 4 5 6 7 8
No. of Players
3 off off
2 on off
4 off on
5 on on
difficulty
normal off off
easy on off
hard off on
very easy on on
dips 5 & 6 not used
demo sound
no sound off
sound on on
test mode
normal off
test on
SW2
1 2 3 4 5 6 7 8
screen flip
normal off
flip on
dip 2 & 3 not used
coinage
1 Coin 1 Play off off off off off
2 1 off on off off off
3 1 off off on off off
4 1 off on on off off
5 1 off off off on off
6 1 off on off on off
1 2 off off on on off
1 3 off on on on off
1 4 off off off off on
1 5 off on off off on
1 6 off off on off on
2 3 off on on off on
3 2 off off off on on
4 3 off on off on on
freeplay off on on on on
coinage showing A B
Adjust Coin A
A 1 1 on off off * *
A 2 1 on on off * *
A 3 1 on off on * *
A 5 1 on on on * *
Adjust Coin B
B 1 2 on * * off off
B 1 3 on * * on off
B 1 5 on * * off on
B 1 6 on * * on on
* = blank, so probably not used (leave off??)
Pinouts. Connector is 28 way but NOT jamma
Parts
Side
GND 1 A GND
GND 2 B GND
+5 3 C +5
+5 4 D +5
5 E
-12 6 F +12
7 G
8 H
9 I
SPEAKER 10 J SPEAKER
11 K
RED 12 L SYNC
BLUE 13 M GREEN
14 N
15 O
16 P
1P START 17 Q 2P START
1P UP 18 R 2P UP
1P DOWN 19 S 2P DOWN
1P LEFT 20 T 2P LEFT
1P RIGHT 21 U 2P RIGHT
1P FIRE 1 22 V 2P FIRE 1
1P FIRE 2 23 W 2P FIRE 2
1P FIRE 3 24 X 2P FIRE 3
25 Y
26 Z
GND 27 i GND
GND 28 ii GND
Typed by The Guru
theguru@emuunlim.com
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