LG KS660 - Page 100

- 101 -
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4. TROUBLE SHOOTING
Check TP1 of SW600
with RF Cable and TP2 of C606
TP1 Signal same
as TP2?
Replace Mobile SW
(SW600)
Yes
No
Yes
Mobile SW & FEM is OK.
Check Antenna.
Replace U100
Control Signal is
OK

No
Yes
Check TP3, TP4 of FL600

Replace FEM (FL600)
TP5~8 Signal is
OK
?
No
Yes
Checking Flow
Mobile SW (R403) FEM Control Signals
DCS/PCS
RX
FE1
FE2