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3.9.2 Checking GPS RF Signal path
TP1
TP2
TP2
ANT3
ANT3 GNSS
FEED
ANT1104
FEED
ANT1105
L1145
100p
GNSS_ELNA_EN
FL1109
1
4
IN
OUT
G1
G2
G3
2
3
5
L1153
DNI
LGE Internal Use Only
Test Point
Circuit Diagram
TOL=0.01
R1103
L1134
2.2n
R1104
820
7
1
5
RFOUT1
FL1108
2
RFIN
SFMG2B0D001
6
RFOUT2
3
4
8
4. Trouble
Shooting
TP1
TP1
1
L1146
DNI
2
( DGMS Guide )
MC-C00002-14 : ESD Protection Circuit
10
+2V75_VREG_L14
NEAR TO WTR
C1148
100p
C1149
100p
C1159
100p
C1160
100p
TP3
- 100 -
3. TROUBLE SHOOTING
TP3
GNSS_ELNA_EN
TP2
FL1109
1
4
IN
OUT
G1
G2
G3
TP2
2
3
5
L1153
DNI
GNSS_IN_N
TP3
GNSS_IN_P
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
TOL=0.0
R1103
L1134
2.2n
R1104
820
7
1
5
RFOUT1
FL1108
2
RFIN
SFMG2B0D001
6
RFOUT2
3
4
8
92
10
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