LG CU920 Manual page 70
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Also See for CU920:
- Guía del usuario (147 pages) ,
- Specifications (2 pages) ,
- Datasheet (2 pages)
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3. TECHNICAL BRIEF
3.10.6 Keypad Light
There are 2 White LEDs in Main key backlight circuit, which are driven by LED_CON line from
PM6650 pin23 (KPD_DRV_N).
Figure. Schematic of KEY back light circuit (KEY side )
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Only for training and service purposes
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Troubleshooting
