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3.11 Key Back-light Illumination
In key back-light illumination, there are 12 Blue LEDs in Main Board, which are driven by
KEY_BACKLIGHT signal from AD6724.
VBAT
KEY_BACKLIGHT
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
KEY BACKLIGHT
(WHITE LED)
R317
0
C308
1u
Figure 3.11 KEY BACK-LIGHT ILLUMINTION
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3. TECHNICAL BRIEF
VA301
ICVS0505481FR
VBAT
LGE Internal Use Only
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