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3. TECHNICAL BRIEF
3.12.7 Keypad Light
There are 2 White LEDs in main board backlight circuit, which are driven by KPD_DRV_N line from
PM6650.
LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
KEY_BACK_LIGHT
EVL14K02200
VA501
R502
100ohm
100ohm
R501
LD501
LEWW-S47-PA
LEWW-S47-PA
LD502
KYBD_BACKLIGHT
+VPWR
Figure. Keypad Backlight Circuit