EN 180QFU1.1E LA 10.
Circuit Diagrams and PWB Layouts
2012-Sep-14
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10.4 E 272217190554 - 272217190562 Keyboard Control Module
10-4-1 Keyboard Control Module
19300_019_120403.eps
120403
Keyboard Control Module
E E
2012-02-06
1.1
2722 171 90554, 2722 171 90555,
2722 171 90556, 2722 171 90557,
2722 171 90561, 2722 171 90562
Keyboard Control Module
+3.3 V
R3
5.6 kΩ
V
SS
V
SS
V
SS
V
SS
V
SS
V
SS
V
SS
V
SS
RES
C1
103
R4
8.2 kΩ
R2
3.9 kΩ
R1
1.5 kΩ
R5
18 kΩ
CH+
ZD1
RES
CH- SOURCE VOL+ VOL- POWER
R6
6.8 kΩ
J1
CON3
1
2
3
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