General Instructions For Gsm1900 Rx Troubleshooting - Nokia RH-99 Service Manual

General instructions for GSM1900 RX troubleshooting

Steps
1. Connect the phone to a PC with the module repair jig.
2. Start Phoenix and establish a connection to the phone with the data cable e.g. FBUS.
3. Select File and Scan product.
4. Wait a while for the PC to read the information from the phone.
5. Select Testing and RF Controls.
6. Set the parameters as follows:
i Active Unit: RX
ii Band: GSM 1900
iii Operation Mode: Continuous mode
iv RX/TX Channel 661
v AGC: Gain 6
Results
The setup should now look like this:
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Figure 41 GSM 1900 RF controls window
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RH-99; RH-100; RH-105; RH-106
RF troubleshooting
Issue 2