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PX8700
Service manual
LG PX8700 Service Manual page 87
Tri band cdma pcs/cellular/gps mobile phone
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Contents
Table of Contents
Troubleshooting
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PX8700
4.2.2.8. Check Mobile Switch
Test Point
RF_OUT
U103
RF_IN
Circuit Diagram
RF_OUT
RF_IN
LG Electronics Inc.
Checking Flow
Start
Check U103 Pin1, 2
RF_IN
RF_OUT
Refer to Graph4.2.2.8
YES
Similar?
NO
Replace U103
Waveform
RF IN
RF OUT
Graph 4.2.2.8
Mobile Switch is OK
- 87 -
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