LG LG-P350 - GPS;WIFI;BT Trouble Shooting

4. TROUBLE SHOOTING
- 103 -
Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only

ͽ͸ͶͺΟΥΖΣΟΒΝΆΤΖ΀ΟΝΪ

4.9 GPS/WIFI/BT Trouble shooting
4.9.1 A-GPS Block
Schematic of the A-GPS block
TP2
TP
1
TP1
TP2
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
8.2n
L1038
C1101 100p
5.6n
L1027
A
NT1002
VREG_RF_2.7V
C1096
100p
ANT1003
100n
L1030
C1099
18p
U1003
3
2
5
4
1
NI_FR
FIL_OUT
VDD
S_D
GND
L1034
3.3n
L1028
6.8n
R1020
1K
L1029
DNI
12
R1019
1575.42 MHz
FL1006
52
41
3
G3
IN OUT
G1 G2
C1100
0.1u
GPS_MODE
GPS_IN
Near To LNA
0603
0603
TP1
TP2