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3.11 Key LED Interface
KEY BACKLIGHT
This handset has 6 LEDs that illuminates blue color.
Control signal is controlled by EGold-voice with PWM and handset has 3 methods, ON, OFF and
Dimming.
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
VBAT
R308
C322
10
1u
R314
1K
KEY_BACKLIGHT
Figure 3-11 Key LED interface
- 37 -
3. TECHNICAL BRIEF
R309
R310
R311
R312
R313
91
91
15
39
Q301
KTC4075E
R315
10K
C323
56
1u
LGE Internal Use Only
- Quick Links:
- Circuit Diagram
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