Yamaha LS9 Service Manual page 311

K J
CPU 004 CIRCUIT DIAGRAM (LS9-16/LS9-32)
1
2
3
4
5
6
7
: Not installed（未実装）
8
28CC1-2001008797-4
18
I H G
not installed
F E D
OP AMP
CPU 004 CIRCUIT DIAGRAM (LS9-16/LS9-32)
C B A
LS9-16/LS9-32
not installed
not installed
LCD & TouchPanel I/F