3. TECHNICAL BRIEF
3.17 Key Back-light Illumination
In key back-light illumination, there are 12 Blue LEDs in Main Board, which are driven by
KEY_BACKLIGHT line from AD6525.
Figure 3-16. Key Back-light Illumination
3.18 LCD Back-light Illumination
In LCD Back-light illumination, there is an driver in LCD Board, which is driven by BACKLIGHT
line from AD6525.
Figure 3-17. Main LCD Back light Illumination
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