Check Diplexer - LG VX8610 Service Manual

VX8610

4.2.1.7 Check Diplexer

DP100
F101
Checking Flow
Checking Flow
Start
Check pin2(TP1) at F101,
pin6(TP2) at DP100. Referring to
Figure 4.2.1(k)
Is it similar ?
NO
Replace F101
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Only for training and service purposes
Test Point
Test Point
DCN Port
Ant Port
Diplexer is
OK
YES
Circuit Diagram
Circuit Diagram
TP1
Waveform
Waveform
Figure 4.2.1(k)
- 71 -
TP2
DCN Port
ANT Port
LGE Internal Use Only