Table of Contents
Advertisement
4. 7. LTE RF Part
4. 7. 8. LTE B20 DRX
4 7 8 LTE B20 DRX
3.7.8.1 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
C1137
33p
77
LGE Internal Use Only
FL1105
TP2(C1127)
5
4
6
3
ANT
GND
FL1105
1
2
TP3(L1128)
L1128
WTR0_DRX_LB4_IN
18n
L1129
TP3(L1128
3.3p
4. Trouble Shooting
U1100
FL1106
U1500
TP2(C1127)
C1127
1n
C1162
DNI
- 87 -
3. TROUBLE SHOOTING
FL1106
1
6
GND1
HI-BAND
2
5
COMMOM
GND3
3
4
GND2
LO-BAND
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes
TP3
TP3
C1163
DNI
C1164
1n
Advertisement
Table of Contents
