LG GM360i Service Manual page 88

4.12.3 Checking Mobile SW & FEM
ANT506 ANT505 ANT504
C554 C8
DNI
56pF
C10 4.7pF
C537
18n
VC1
VC2
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Only for training and service purposes
Mobile SW & FEM Circuit Diagram
TP1
TP1
TP2
SW501
C542
2
ANT COMMON
1
C9 82pF
G3 G4
3 4 L502
C530
DNI
1.8p
Figure 8. Mobile SW & FEM Circuit
Checking Points
TP5 ~ 8
FL50
Figure 9. Mobile SW & FEM
EGSM/GSM850 DCS/PCS
OFF OFF
OFF OFF
Table 2. FEM RX Control Logic
93/147
TP4
TP2
FL500
ANT
17
100pF
C521
DNI
SW501
TP4_C505
TP3_C506
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4. TROUBLE SHOOTING
TP4
TP
R505 100ohms
VC1
(FROM Transceiver)
R506 100ohms
VC2
(FROM Transceiver)
C525 C528
47pF 47pF
TP2
TP1
LGE Internal Use Only
LGE Property
TP3