Key Back-Light Illumination - LG C3380 Service Manual

3.13 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 AD6527.
VBAT
KEY_BACKLIGHT
Figure 3-30. KEY BACK-LIGHT ILLUMINTION
KEY BACKLIGHT
Q301
R362 12K
IMX9T110
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3. TECHNICAL BRIEF
VBAT