Nokia 2255 Manual page 38
Rm-97, rf description and troubleshooting
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Also See for 2255:
- User manual (54 pages) ,
- Baseband description and troubleshooting (44 pages) ,
- Disassembly/assembly (14 pages)
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2255 (RM-97)
RF Description and Troubleshooting
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12. Adjust the AFC value so that the output signal is within +/- 100Hz. If you are
using an HP4406 or a spectrum analyzer, narrow the span to 1kHz or less.
13. If the VCTCXO does not tune, replace the UEM.
Page 38
Figure 35: Manually adjusting the AFC to center VCTCXO
©2005 Nokia Corporation
Nokia Customer Care
Company Confidential
Adjust AFC to
center
VCTCXO
manually
ISSUE 1 10/2005
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Troubleshooting
