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Keypad Illumination - LG U8120 Service Manual

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3. TECHNICAL BRIEF

3.2.9 Keypad Illumination

There are 19 blue LEDs in key board backlight circuit, which aredriven by GPIO_32
(KEY_LED_ONOFF) line form Marita.
Figure. Keypad Backlight Blue LED Interface
Figure. Keypad Backlight Circuit
- 48 -
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