LG D722K Service Manual page 51

4. 6. WCDMA RF Part
4. 6. 1. WCDMA B1/2/5/8 Rx 4 6 1 WCDMA B1/2/5/8 Rx
4. 6. 1. 1. Checking RF signal path (SW)
3.6.1.1 Checking RF signal path (SW)
1) PRX Path : Refer to 4.5.1.1
1) PRX Path : Refer to 3.5.1.1
2) DRX Path
2) DRX Path
TP1
C1150
FEED
ANT1102
33
LGE Internal Use Only
SW1103 SW1103
100p
TP1(C1124) TP1(C1124)
TP1(C1124)
4. Trouble Shooting
Test Point
Circuit Diagram
C1124
3p
L1117 L1118
10n DNI
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3. TROUBLE SHOOTING
SW1103
ANT COMMON
1
G3 G4
3 4
Only for training and service purposes
2