LG VX10000 Service Manual page 86

VX10000
2.2.6 Check PCS Duplexer
ANT_PORT
TX_PORT
Checking Flow
Checking Flow
Start
Check pin1(TP1) , 3(TP2)
at DP 1002 . Referring to
Figure 2.2(j)
Is it similar ?
NO
Replace DP 1002
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Only for training and service purposes
Test Point
Test Point
DP1002
Duplexer is
OK
YES
Circuit Diagram
Circuit Diagram
TP1
TP2
Waveform
Waveform
Figure 2.2(j)
- 85 -
Tx Port
ANT Port
LGE Internal Use Only