LG -E405 Service Manual page 59

ANT1004
1
HJ-ICT-06Y
L1026
L1028
100p
4.7n
Set the phone GPS is ON
Check TP1 About 2.7V?
Check TP2 About 2.6V?
Change the board
LGE Internal Use Only
FL1005 3
1575.42 MHz
G3
1 4
IN OUT
G1 G2
2 5
L1027
C1099
100n
DNI
R1023
GPS_MODE
12
C1115
6.8p
TP2
Yes
Yes
LNA for the GPS
TP1
C1100
DNI
4.7n
GND VDD
3 5
S_D FIL_OUT
2 4
U1004
C1113
DNI
No
Check power LRC filter soldering
No
Check SW and NV item
- 59 - Copyright © 2012 LG Electronics. Inc. All right reserved.
4. TROUBLE SHOOTING
Near To LNA
L1030
R1021
12
C1105
C1106
18p 0.1u
L1032
3.3n
C1114
DNI
Only for training and service purposes
VREG_RF_2.7V
GPS_IN