Rf Receiver Path Troubleshooting - LG KC550 Service Manual

6. Trouble shooting

6.13 RF Receiver path Troubleshooting

6.12.4 RF
LGE Internal Use Only
1. Set HP8960 as below
Active Cell (GPRS)
62ch, 5level (TCH)
62ch, -60dBm (BCH)
2. Establish Spectrum Analyzer
& Oscilloscope
General Circuits
Troubleshooting
YES
FEM Circuit
YES
After download S/W,
Calibrate it.
Fig 9 Troubleshooting flowchart of RF Receiver path
START
Check
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