LG KP105 - Key LED Interface

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3. TECHNICAL BRIEF
3.11 Key LED Interface
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.
LGE Internal Use Only Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Figure 3-11 Key LED interface
KEY BACKLIGHT
56
R313
10K
R315
Q301
KTC4075E
R311
15
1u
C322
LD302
LEBB-S14E
R314 1K
VBAT
C323
1u
R308
10
LEBB-S14E
LD304
91
R309
LEBB-S14E
LD303
LD306
LEBB-S14E
LD301
LEBB-S14E
39
R312R310
91
LD305
LEBB-S14E
KEY_BACKLIGHT