Key Backlight - LG KP270 Service Manual

KEY BACKLIGHT

VMIC_P
R123
0
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
R316
MAIN_KEY_LED
R319
TP1
1V8_SD
- 83 -
4. TROUBLE SHOOTING
VBAT
LD301
C A
100ohm
2 1
SSC-SWTS1007
LD302
C A
100ohm
2 1
SSC-SWTS1007
GPIO[13]
GPIO[14]
GPIO[15]
GPIO[16]
GPIO[17]
GPIO[18]
GPIO[19]
TP2
1V8_SD 1V8_SD
R130 R125
47K 47K
C321
0.1u
A12
B12 TP111
A11
3G_PA_MODE1
A10
ANT_SEL4
B10
ANT_SEL5
A9
ANT_SEL6
A8
LGE Internal Use Only