Receiver; General Instructions For Rx Troubleshooting - Nokia RH-13 Series Troubleshooting Manual

CCS Technical Documentation

Receiver

General instructions for RX troubleshooting

Receiver troubleshooting is divided into three sections:
- General checking
- Local oscillator checking
- RX Chain checking
Faultfinding charts are represented for each band and more detailed troubleshooting
instructions are included. Please note that before changing ASICs or filters, all solderings
and missing components must be checked visually. After any possible component
changes phone must be re-tuned using Phoenix.
Equipment needed for receiver troubleshooting:
- Signal generator up to 2 GHz
- Oscilloscope with 10x passive probe
- Spectrum analyzer and active probe without attenuation block
- PC with Phoenix SW
Issue 1 11/02 ãNokia Corporation
RH-13
Troubleshooting
Page 29