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3. TROUBLE SHOOTING
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Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Schematic of GPS LNA Block
<Main Bot>
TP1
L1127
10n
VREG_L14_2V75
DNI
L112
5
22n
L1135
22n
L1118
C1142
0.1u
6.3V
C1141
100p
100p
C1143
SFMG2BAD001
U1
4
5
3
6
2
7
1
8
GND4
VD
D
VCTR
L
RFIN
GND3
GND1
RFOUT
GND2
L1146
8.2n
DNI
L113
0
FB1140
?
L1126
DNI
C1161
100p
L1147
2.2n
GNSS_ELNA_EN
WTR_GNSS_RF_IN_1
TP1
3.7.3 Photo/Circuit