LG VX8560 Service Manual page 73

VX8560
4.2.1.4 Check DCN RF Tx SAW
Test Point
Test Point
RF_OUT
RF_IN
Checking Flow
Checking Flow
Start
Check pin9,
at F105 . Referring to
Figure 4.2.1.4.
Is it similar?
NO
Replace F 105
LG Electronics Inc.
TP1
F105
RF Tx SAW is OK
YES
Circuit Diagram
Circuit Diagram
Waveform
Waveform
RF_IN fed up with CW signal
RF_OUT
Figure 4.2.1.4
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