Receiver Troubleshooting; Introduction To Receiver (Rx) Troubleshooting; Cdma Rx Chain Activation For Manual Measurement/Wcdma Rssi Measurement - Nokia RH-109 Service Manual

RH-109
RF troubleshooting

Receiver troubleshooting

Introduction to receiver (RX) troubleshooting

RX can be tested by making a phone call or in FTM mode. For the FTM mode testing, use Qualcomm software.
The main RX troubleshooting measurement is RSSI reading. This test measures the signal strength of the
received signal. For CDMA RSSI measurements, see CDMA RX chain activation for manual measurements.
CDMA RX chain activation for manual measurement
Prerequisites
Make the following settings in Qualcomm software and in the signal generator.
Setting
Channel
Signal generator to antenna connector
Issue 1
384
881.52 MHz
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Band 0 Band 1
600
1960 MHz
Band 15
425
2131.25 MHz
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