LG -D722V Service Manual page 81

4. 7. LTE RF Part
4. 7. 6. LTE B3 DRX 4 7 6 LTE B3 DRX
3.7.6.1 Checking RF signal path
4. 7. 4. 1. Checking RF signal path
Test Point
TP1
TP2
TP1(C1125)
TP1(C1125)
C1125
100p
1
2
LGE Internal Use Only
FL1105
TP2(C1127)
5 4
6 3
ANT GND
FL1105
1 2
TP4(L1115)
C1123 33p L1115 1n
L1116
TP4(L1115)
3.9n
71
33p
C1128
4. Trouble Shooting
U1100
FL1106
U1500
TP2(C1127)
C1127 1n
C1162
DNI
WTR0_DRX_MB3_IN
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3. TROUBLE SHOOTING
FL1106
1 6
GND1 HI-BAND
2 5
COMMOM GND3
3 4
GND2 LO-BAND
TP3(C1164)
TP3(C1164)
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Only for training and service purposes
TP3
TP4
C1163
DNI
C1164
1n