Gps/Wifi/Bt Trouble Shooting - LG -E425 Service Manual

4.9 GPS/WIFI/BT Trouble shooting

4.9.1 A-GPS Block
TP1
L1028
L1026 L1027
100p
5.6n DNI
LGE Internal Use Only
TP2
FL1005
3
1575.42 MHz
G3
1 4
IN OUT
G1 G2
2 5
C1099
DNI
R1023
GPS_MODE
12
C1115
6.8p
TP2
LNA for the GPS
TP1
Near To LNA
C1100 L1030
DNI
4.7n
GND VDD
3 5
S_D FIL_OUT
2 4
U1004
C1113
DNI
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4. TROUBLE SHOOTING
R1021
VREG_RF_2.7V_RTR
12
C1105
C1106
18p 0.1u
L1032
GPS_IN
3.3n
C1114
DNI
Only for training and service purposes