Basic HTML Version
Switch Matrix Circuit
CPU Board
COLUMN (example)
+12V
+12V
ROW (example)
r---------------~
CPU Board
r-----'
I
Playllald
I
J206
J208
I
I
E
~
J
Off
On
Column A
Inactive H L Off
Active L H On
H H
L L
Typical Switch Matrix Connections
J207
8
GRN-GRY
C
I
7
6
5
4
3
2
J209
2
~
o ullin
I••.•
GRN-VIO
Column 1
I,
I ••.•
GRN-BLU
Column •
,
....
GRN-BLK
Column 5
,
.•..
GRN-YEL
Column 4
,
....
GRN-0RN
Column 3
,
,
GRN41ED
Column 2
,
/
GRN-BRN
Column 1
i,
~
11/
2/
3/
4/
s/
6/
7(
/
~ VA-iT-BAN
RoW'1 ./
/
/
/'
/"
/
/
81
1/
/
2{
3/
/
s/
6/
/
8/
I,
'M-iT -RED
RoW'2 )2
/'
./
/42
I
/
/72
/"
I'
./
2/
/
/
/
s/
7/
8f
I,
WHT-0RN
RoW'3
)3
/
~)3 j3
)i3
./
./
I••.•
14/
/
~
44/
s/
64
1
7/
81/
I,
'M-iT-YEL
RoW'4 ./
/::14
/
./
/'
/'
_/
,I'
1/
/
/
1
/
S{
/
7/
8/
)5
2S /3S
45
jiS
,
WHT-GRN
ROW'S
./
~
/
/'
,
3/
46/
/
/
1/
/
s/
7(
WHT-BLU
ROW'S
./
/26
/'
j j
/66
/
86
I••.•
31
67/
/
/
27/
4/
s/
77/
WHT-VIO
RoW'7
~)7
/~
,/
/
/
~
/"
87
,
18 /28
./38
}8
/S8 _)i8 /78
88
,
WHT-GRY
RoW'8
/
/
.:
~
...
,,
,
3
4
5
6
7
8
Hurricane 3-3