User Guide

6255/6255i/6256/6256i (RM-19)
Nokia Customer Care RF Description and Troubleshooting
Issue 2 05/2005 ©2005 Nokia Corporation Company Confidential Page 51
Synthesizer Schematics
The following schematics are for general reference only. See the Schematics chapter for detailed versions.
Figure 41: Synthesizer schematic
VCTCXO with
AFC control
19.2MHz buffer
Not installed
UHF PLL IC
Loop filter
components
Dual-band VCO
Lock voltage