40
7.
Circuit Diagrams and PWB Layouts
Keyboard Control Panel
Layout Keyboard Control Panel (Top Side)
vol-
vol+
men
u
ch-
ch+
POWER
GND
5VIN
5V
S
B
KEY
1
2
3
4
P601
0
R701
R601
3
90R
R606
7K5
1
2
4
3
K601
1
2
4
3
K602
1
2
4
3
K60
3
1
2
4
3
K604
1
2
4
3
K605
1
2
4
3
K606
C601
0.1U
R60
3
1K5
R605
4K
3
R604
2K7
R602
1K
I_179
3
0_0
3
1.ep
s
25040
8
E
E
KEYBOARD CONTROL
I_179
3
0_0
3
2.ep
s
22040
8
Personal Notes:
E_06532_012.eps
131004