Keypad Backlight Illumination - LG -S310 Service Manual

3. TECHNICAL BRIEF

3.13 Keypad Backlight Illumination

MAIN_KEY_BACKLIGHT
MAIN_KEY_BACKLIGHT
LGE Internal Use Only
VIBRATOR
VBAT
R100
C101
100
1u
LD100
VA100
[Figure 3.13-1] Circuit Diagram
C12
VIBRATOR
D11
LED
R101 R102 R103
R104 R105
100 100 100 100 100
LD101 LD102 LD103 LD104 LD105
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250mA
150mA
R106 R107
100 100
LD106 LD107
Only for training and service purposes