User Guide
Table Of Contents
- Amendment Record Sheet
- Copyright
- Warnings and cautions
- For your safety
- Care and maintenance
- ESD protection
- Battery information
- Company Policy
- Nokia 3500c Service Manual Structure
- 1 General information
- 2 Service Tools and Service Concepts
- 3 BB Troubleshooting and Manual Tuning Guide
- Baseband troubleshooting overview
- Power and charging troubleshooting
- Interface troubleshooting
- User interface troubleshooting
- Audio troubleshooting
- Introduction to acoustics troubleshooting
- Audio troubleshooting test instructions
- Earpiece troubleshooting
- Internal earpiece troubleshooting
- External headset earpiece troubleshooting
- IHF troubleshooting
- IHF troubleshooting
- Microphone troubleshooting
- Internal microphone troubleshooting
- External headset microphone troubleshooting
- Connections troubleshooting
- Baseband manual tuning guide
- 4 RF Troubleshooting and Manual Tuning Guide
- 5 System module
- Glossary
9. To perform tuning, click OK.
10. Go through all 9 frequencies. The following table will be shown:
11. Check that the tuning values are within the limits specified in the following table:
Min Typ Max Unit
GSM850
Ch. 118/867.26771 MHz -6 -1 2 dB
Ch. 128/869.26771 MHz -3 0 2 dB
Ch. 140/871.66771 MHz -3 0 2 dB
Ch. 172/878.06771 MHz -2 0 2 dB
Ch. 190/881.66771 MHz -2 0 2 dB
Ch. 217 / 887.06771 MHz -2 0 2 dB
Ch. 241/891.86771 MHz -3 0 2 dB
Ch. 251/893.86771 MHz -3 0 2 dB
Ch. 261/895.86771 MHz -6 -1 -2 dB
GSM900
Ch. 965 / 923.26771 MHz -6 -1 2 dB
Ch. 975 / 925.26771 MHz -3 0 2 dB
Ch. 987 / 927.66771 MHz -3 0 2 dB
Ch. 1009 / 932.06771 MHz -2 0 2 dB
RM-272; RM-273
RF Troubleshooting and Manual Tuning Guide
Issue 1 COMPANY CONFIDENTIAL Page 4 –29
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