Main Lcd Backlight Illumination - LG U8120 Service Manual

3. TECHNICAL BRIEF

3.2.7 Main LCD Backlight Illumination

There are 4 white LEDs in Main LCD Backlight circuit which are driven by 4.5V Regulated Output
Charge Pump(SC604). GPIO_01(BL_PWL) is used for Backlightbrightness control.
Figure. Charge Pump Circuit for Main LCD Backlight
* LED : SSC-HWTS902(Seoul Semiconductor)
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