Incorrect Rx Vhf Frequency - Nokia 2255 Manual
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
Nokia Customer Care
Incorrect Rx VHF Frequency
Following are possible causes for incorrect Rx VHF frequencies:
• Power supplies to PLL portion of IC N7100 missing or low (VR7)
• Loop filter or resonator components missing or incorrectly installed
• 19.2MHz reference clock missing or low
• Programming is incorrect
©2005 Nokia Corporation
Page 44
Company Confidential
ISSUE 1 10/2005
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Troubleshooting
