Key Matrix 2 - Casio SF-5500B Service Manual & Parts List

1-3. KEY MATRIX 2

M– M+
CODE:02 CODE:03
MR
CODE:01
HS3
1
FG
2
FG
3 KY1
KY1
4 KY2
KY2
5 KY3
KY3
6 KY4
KY4
7 KY5
KY5
8 KY6
KY6
KY7
9
KY7
10 KY8
KY8
11
FG
12
FG
FG
— 3 —
÷
% x –
CODE:07 CODE:11 CODE:15 CODE:19 CODE:23
'
9 6 3
CODE:06 CODE:10 CODE:14 CODE:18 CODE:22
MC C 8 5
CODE:00 CODE:05 CODE:09 CODE:13 CODE:17
AC 7 4
CODE:04 CODE:08 CODE:12 CODE:16
0
CODE:20 CODE:21
+
=
2
1
.