Check Diplexer - LG VX8610 Service Manual

VX8610

4.2.2.7 Check Diplexer

Test Point Circuit Diagram
Test Point Circuit Diagram
Ant Port
TP1
PCS Port
U102
TP2
Checking Flow Waveform
Checking Flow Waveform
Start
PCS Port
Check pin3(TP1) at DP101
Diplexer is
2(TP2) at U103 . Referring to
OK
Figure 4.2.2(k)
YES
Is it similar ?
NO
Replace U 103
ANT Port
Figure 4.2.2(k)
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