10.
Circuit Diagrams and PWB Layouts
10.7 272217190763, 272217190764, 272217190766 Keyboard Control Module
10-7-1
E, Keyboard Control Module
19
3
70_044_1
3
01
3
1.ep
s
1
3
0417
Key
b
o
a
rd Control Mod
u
le
E
E
2012-09-27
0.5
2722 171 9076
3
2722 171 90764
2722 171 90766
Key
b
o
a
rd Control Mod
u
le
R
3
6
8
0
Ω
(5.6 k
Ω
)
V
SS
V
SS
V
SS
V
SS
V
SS
V
SS
V
SS
V
SS
C1
0.01
μ
F
R5
3
.9 k
Ω
(1
8
k
Ω
)
R2
33
0
Ω
(
3
.9 k
Ω
)
R1
150
Ω
(
1.5 k
Ω
)
R4
1.5 k
Ω
(
8
.2 k
Ω
)
CH+
ZD1
5.6 V
CH-
S
OURCE
VOL-
VOL+
POWER
R6
6.
8
k
Ω
(1 k
Ω
)
J2
CON
8
6
7
8
4
5
3
1
2
