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10.
Circuit Diagrams and PWB Layouts
Keyboard Control Board
1
8
970_540_100
3
2
3
.ep
s
100
3
2
3
Key
b
o
a
rd Control Bo
a
rd
E
E
2009-09-10
1
S
F20
3
5/
S
F20
3
7
S
IDE CONTROL
+
3
.
3
V
R6
5.6k
Ω
V
SS
R2
10
Ω
C2
10
3
R
8
8
.2k
Ω
R5
3
.9k
Ω
R4
1.5k
Ω
R
3
2.2k
Ω
R7
1
8
k
Ω
CH+
ZD1
4.7V
V
SS
CH
−
V
SS
MENU
V
SS
VOL+
V
SS
VOL
−
V
SS
ON/OFF
V
SS
V
SS
V
SS
V
SS
V
SS
R9
6.
8
k
Ω
1
2
3
J1
CON
3