Gps/Wifi/Bt Trouble Shooting - LG GT540 Service Manual

4. Trouble Shooting

4.8 GPS/WIFI/BT Trouble shooting

4.8.1 A-GPS Block
33p
C166
5.6n
C176
DNI
GPS_LNA_EN
LGE Internal Use Only
LNA for the GPS
FL112
1 4
OUT IN
G1 G2 G3
1575.42MHz 2 3 5
GND
C237
DNI
GND VDD
R115
3 5
S_D FIL_OUT
1K
2 4
U102
TP1
- 106 -
C165
33p
100n
C168
TP2
L120
3.3n
C173
100p
100p
C175
GPS_IN
C167
1.2n
Copyright © 2010 LG Electronics. Inc. All right reserved.
ANT103 ANT104
VREG_RFRX1_2.7V
C174
0.1u
Only for training and service purposes