Synthesizer Schematic - Nokia 2366i Rf Description And Troubleshooting

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• Missing or low power supply voltage to the PLL section
• Fault in the control line to the voltage controlled oscillator (VCO).
• Loop filter or resonator components are missing or are incorrectly installed.
• The 19.2 MHz reference clock signal is missing (mobile terminal does not
boot up) or low (possible resets of the mobile terminal).
• Failure of the TX IC (N7100) or the VCTXO.

Synthesizer Schematic

The following schematics are for general reference only. See the Schematics chapter for
detailed versions.
Lock Voltage
UHF Loop Filter
Issue 2 - February 2007
RF Description and Troubleshooting
Figure 31: Synthesizer schematic
Company Confidential
2366i (RM-155)
Page 37