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RH-48
Troubleshooting - RF
CCS Technical Documentation
Page 38
 ©
2003 Nokia Corporation         Confidential
Issue 1 11/2003
Figure 29: (Top) PWB. (Bottom left) A zoomed view of the Jedi LO/PLL input match components on the UHF 
synthesizer layout (Bottom right) A zoomed view of the Jedi LO/PLL input match components UHF synthesizer 
layout with part numbers.
Rx VHF
Following are possible causes for an incorrect Rx VHF frequency:
• Power supplies to the PLL portion of Yoda IC (N700) are missing or low (VR7)
• Loop filter or resonator components are missing or incorrectly installed
• 19.2MHz reference clock is missing or low (C512)
• Programming is incorrect
• Component failure (PLL IC)
Note: See the Schematics chapter for an Rx VHF schematic.