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6. Trouble shooting
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
6.13 RF Receiver path Troubleshooting
6.12.4 RF
START
1. Set HP8960 as below
Active Cell (GPRS)
62ch, 5level (TCH)
62ch, -60dBm (BCH)
2. Establish Spectrum Analyzer
& Oscilloscope
Check
FEM Circuit
After download S/W,
Calibrate it.
General Circuits
Troubleshooting
YES
YES
Fig 9 Troubleshooting flowchart of RF Receiver path
Содержание KC550
Страница 1: ...Date May 2008 Issue 1 0 Service Manual Model KC550 Service Manual KC550 Internal Use Only ...
Страница 129: ... 130 LGE Internal Use Only Copyright 2008 LG Electronics Inc All right reserved Only for training and service purposes ...
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