LG VX8500 Service Manual page 70
Dual band cdma pcs/cellular/w/gps cdma mobile phone
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Also See for VX8500:
- Quick start manual (13 pages) ,
- Datasheet (2 pages) ,
- Guía de inicio rápido (12 pages)
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VX8500
4.2.1.7. Check DCN Duplexer
Test Point
Checking Flow
ANT_PORT
Start
Check DP100 Pin1,6
TX_PORT
ANT_PORT
Refer to Graph4.2.1.7
DP100
YES
Duplexer is OK
Similar?
NO
Replace DP100
DP101
TX_PORT
Circuit Diagram
Waveform
TX_Port
TX_Port
ANT_Port
Graph 4.2.1.8
ANT_Port
Graph 4.2.1.7
78
LG Electronics Inc.
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