Nokia RM-779 Service Manual page 131

RM-779
Cellular RF troubleshooting
General instructions for cellular RF
Cellular RF key components..................................................................................................................................
Cellular RF main troubleshooting
Cellular RF main troubleshooting
Self test troubleshooting..............................................................................................................................
Troubleshooting with RF Self
RF tuning and testing
RF auto tuning and testing with Nokia Care
RF auto tuning procedure
Automatic RF testing with Nokia Care
Troubleshooting with Testing And Tuning Tool
Manual transmitter (TX) testing with
General instructions for transmitter (TX) activation
GSM transmitter
WCDMA transmitter
Manual receiver (RX) testing with Phoenix
General instructions for manual receiver testing
GSM RX chain activation for manual measurements/GSM RSSI measurement
WCDMA RX chain activation for manual measurement
WCDMA RSSI measurement
Antenna ...............................................................................................................................................................
Antenna overview
Antenna troubleshooting
List of Figures
Figure 24 RF key components
Figure 25 Linko shields
Figure 26 GSM/WCDMA antenna
Figure 27 GPS/BT/WLAN and NFC antennas
Figure 28 Antenna contacts
Issue 1
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Table of Contents
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4-16
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4-21
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4-23
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4-7
4-7
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