LG GT540 - GPS;WIFI;BT Trouble Shooting

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Only for training and service purposes
4. Trouble Shooting
{wYG
{wX
{wXG
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4.8 GPS/WIFI/BT Trouble shooting
4.8.1 A-GPS Block
DNI
C237
1575.42MHz
FL112
532
41
OUT IN
G1 G2 G3
DNI
C176
100p
C175
U102
3
2
5
4
1
NI_FR
FIL_OUT
VDD
S_D
GND
C174
0.1u
C173
100p
L120
3.3n
R115
1K
100n
C168
VREG_RFRX1_2.7V
ANT104
C167
1.2n
33p
C166
33p
C165
ANT103
5.6n
711L
GND
GPS_IN
GPS_LNA_EN
LNA for the GPS
TP2
TP1