Casio AP-20 Service Manual page 19

R-1
R-2
R-3
5
26
7
28
4
19
21
20
14
17 11 12 13
31
8
1
6
18
17
10
16
15
R-4
30
2
24
R-5
32
26
3
29
R-7
R-6
27
9
18
23
22
25