LG LG-E400 - Transferring Files Using USB Mass Storage Devices

4. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
9
81
C
n
7
.2
ANT103
C190
0.5p
C232
1.5n
12
R127
421L
n3.3
L128
4.7n
U104
3
2
5
4
1
NI_FR
FIL_OUT
VDD
S_D
GND
12
R125
DNI
C191
L125
DNI
C193
0.1u18p
C192
6.8p
C204
FL103
1575.42 MHz
52
41
3
G3
IN OUT
G1 G2
C202
0.5p
DNI
C203
VREG_RF_2.7
V
L130
100p
L126
100n
GPS_MODE
GPS_IN
Near To LNA
LNA for the GPS
TP1
TP2
4.9 GPS/WIFI/BT Trouble shooting
4.9.1 A-GPS Block
TP2
TP1