User Guide

Results

Figure 32 900 RX I/Q signal waveform

General instructions for GSM 1800 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 1800

iii Operation Mode: Continuous mode

iv RX/TX Channel 700

v AGC: 8: FEG_ON + DTOS_ON+BB_6=Vgain_36

RH-70

Nokia Customer Care RF troubleshooting

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