3. TECHNICAL BRIEF
3.12 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
R390
12K
IMX9T110
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VBAT