Key Back-Light Illumination; Only For Training And Service Purposes - LG KG280 Service Manual

3.13 Key Back-light Illumination

In key back-light illumination, there are 12 White LEDs in Main Board, which are driven by
KEY_BACKLIGHT signal from AD6720.
KEY_BACKLIGHT
Copyright © 2007 LG Electronics. Inc. All right reserved.

Only for training and service purposes

KEY BACKLIGHT
VBAT
R417 12K
Figure 3-15. KEY BACK-LIGHT ILLUMINTION
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3. TECHNICAL BRIEF
Q400
IMX9T110
VBAT
EDLH0012501
LGE Internal Use Only