LG KE520 Service Manual page 150

7. CIRCUIT DIAGRAM
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
VOLUME SIDEKREY
(UP)
(DOWN)
KB2 KB1 GND
4
3 KBR(3)
2 KBC(0) (UP)
1 KBC(1) (DOWN)
GND
- 151 -
KE520
LGE Internal Use Only