LG KF600w Service Manual page 72

4.2.1.6 Check DCN Duplexer
Test Point Circuit Diagram
Test Point Circuit Diagram
TP1
TX_PORT
TP2
DP101
ANT_PORT
Checking Flow Waveform
Checking Flow Waveform
Start
Tx Port
Check pin1(TP1) , 6(TP2)
Duplexer is
at DP 101 . Referring to
OK
Figure 4.2.1(j)
YES
Is it similar ?
NO
Replace DP 101
ANT Port
Figure 4.2.1(j)