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3.2.8 Keypad Illumination
There are 2 side view white LEDs in Main board backlight circuit, which are driven by LED1, LED2 port
from AB3000.
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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SSC-SWTS1007
1
A
2
C
LD502
R517
150
SSC-SWTS1007
LD501
1
A
2
C
150
R518
0.1u
C524
VBAT
MAIN_LED2
MAIN_LED1
B6
VIBR
J10
SLEEPA
SLEEPB
L12
H10
SCL
SDA
H12
LED1
A6
LED2
D6
B7
LED3
K4
MCLK
MAIN_LED1
MAIN_LED2
MOTOR_EN
ACC_SLEEP
APP_SLEEP
SHARED_I2C_SCL
SHARED_I2C_SDA
SYSCLK1
Figure 3-2-11. Keypad Backlight LED Interface and Backlight Circuit
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