LG KS20 Operating Instructions Manual page 52

3. TECHNICAL BRIEF
LGE Internal Use Only
Button
KPD_COLUMN1
[Figure1.19] Main Keypad Circuit
Camera Button
4 1
3 2
SW100
LS50D23
ESCY0004201
[Figure1.20] Camera Keypad Circuit
Volume Up
KB100
KPD_ROW1
Volume Down
KB101
KPD_ROW2
Function Key
KB102
KPD_ROW3
SEND
KB104
KPD_ROW4
D111 D112
PRSB6.8C PRSB6.8C
KPD_COLUMN2
KPD_ROW1
KPD_ROW2
Copyright © 2007 LG Electronics. Inc. All right reserved.
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Only for training and service purposes