3. TROUBLE SHOOTING
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3.7.6.1 Checking RF signal path
4. Trouble Shooting
4. 7. LTE RF Part
4 7 6 LTE B3 DRX
4. 7. 4. 1.
Checking RF signal path
4. 7. 6. LTE B3 DRX
Test Point
TP1
U1100
FL1105
TP2
TP3
FL1106
U1500
Circuit Diagram
TP1(C1125)
TP2(C1127)
TP4
TP3(C1164)
TP4(L1115)
71
GND1
HI-BAND
COMMOM
GND3
GND2
LO-BAND
FL1106
4
3
5
2
6
1
C1162
DNI
DNI
C1163
1n
C1127
DNI
L1123
VD
D
GND
PORT
2
ANT
PORT
1
VCTL
FL1105
5
2
6
4
3
1
C1126
1n
100p
C1122
L1121
DNI
2
1
C1125
100p
C1164
1n
L1116
3.9n
C1128
33p
C1123
33p
WTR0_DRX_MB3_IN
1n
L1115
TP3(C1164)
TP2(C1127)
TP1(C1125)
TP4(L1115)