LG KT520 Service Manual page 55

3. TECHNICAL BRIEF
3.2.8 Keypad Illumination
There are 2 side view white LEDs in Main board backlight circuit, which are driven by LED1, LED2 port
from AB3000.
VBAT
Figure 3-2-11. Keypad Backlight LED Interface and Backlight Circuit
LGE Internal Use Only
C524
0.1u
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