Transmitter; General Instructions For Gsm 900 Tx Troubleshooting - Nokia RH-64 Service Manual

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Figure 116 Measurement points at the RX SAW Filters – Z7600/Z7602

Transmitter

General instructions for GSM 900 TX troubleshooting

Steps
1. Apply a RF-cable to the RF-connector to allow the transmitted signal act as normal. RF-cable should be
connected to an attenuator at least 10dB before connected to the measurement equipment, otherwise the
PA may be damaged.
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 Band: GSM 900
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Figure 117 RX I/Q signals
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RH-64
RF troubleshooting
9243363 (Issue 1)