Gps/Wifi/Bt Trouble Shooting - LG E900 Service Manual

4. TROUBLE SHOOTING

4. 9 GPS/WIFI/BT Trouble shooting

4. 9. 1 A-GPS Trouble shooting
TP2
C169
33p
GPS_LNA_EN
LGE Internal Use Only
TP1
RF component (GPS) – Main board top side
1575.42 MHz
L125 5.6n
C158
DNI
L121 3.3n
TP1
GND VDD
R107
3 5
S_D FIL_OUT
1K 2 4
TP2
U105
0603
REV.C
Schematic of the A-GPS block
FL116 B9444
3
G3 C250 33p C170
4 1
OUT IN
G2 G1
5 2
L124
C164
DNI
DNI
REV.1.0
R106
VREG_RFRX1_2.7V
12
C162 C161
0.1u
18p
C159 33p C160 33p
GPS_IN
C168
DNI
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Copyright © 2010 LG Electronics. Inc. All right reserved.
CN103
1
HJ-BCT-02Y
REV.E
CN101 CN102
33p
1 1
(C-CLIP, 2.0T)
MCIZ0008501 HJ-BCT-02Y
C167
DNI
REV.1.0
Only for training and service purposes