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4. 7. LTE RF Part
4. 7. 8. LTE B20 DRX
4 7 8 LTE B20 DRX
3.7.7.1 Checking RF signal path
4. 7. 4. 1. Checking RF signal path
Test Point
TP1
TP2
Circuit Diagram
TP1(C1125)
TP1(C1125)
C1125
100p
1
2
TP3(L1128)
C1158
33p
77
LGE Internal Use Only
FL1105
FL1106
TP2(C1127)
5
4
6
3
TP2(C1127)
ANT
GND
FL1105
1
2
C1162
DNI
WTR0_DRX_HB3_IN
L1144 2.2n
TP4(L1144)
C1161
DNI
4. Trouble Shooting
U1100
U1500
C1127
1n
- 84 -
3. TROUBLE SHOOTING
FL1106
1
6
GND1
HI-BAND
2
5
COMMOM
GND3
3
4
GND2
LO-BAND
TP3(C1164)
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
TP3
TP3
C1163
DNI
C1164
1n
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