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MX8550
4.2.1.6 Check DCN Duplexer
Test Point
Circuit Diagram
Test Point
Circuit Diagram
ANT_PORT
TP1
TP2
DP100
TX_PORT
Checking Flow
Waveform
Checking Flow
Waveform
Start
Check pin1, 3
Tx Port
at DP101. Referring to
Duplexer is
Figure 4.2.2.7.
OK
YES
Is it similar?
NO
Replace DP 101
ANT Port
Figure 4.2.1.7
LG Electronics Inc.
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