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LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
Set the phone GPS is ON
Check TP1 About 2.7V?
Check power LRC filter soldering
No
Yes
Change the board
Check TP2 About 2.6V?
Check SW and NV item
No
Yes
12
R1025
FL1007
5
2
6
4
3
1
IN
OUT
G
OUT_NON
1
G
2
G
DNI
C1097
L1034
DNI
L12
100p
L1032
DNI
DNI
C1105
U1004
3
2
5
4
1
NI
_F
R
FIL_OUT
VDD
S_D
GND
C1099
0.1u
18p
C1098
L1036
3.3n
R1026
1K
6.8p
C1107
C1093
DNI
ANT1006
C1091
47p
VREG_RF_2.7V
ANT1005
5.6n
L1028
L1039
100p
8.2n
C1106
GPS_IN
GPS_MODE
DIVERSITY_IN
Near To LNA
Schematic of the A-GPS block
TP1
TP2