Measuring The Afc Voltage - Nokia 6015 Troubleshooting - Rf

Nokia Customer Care
If you do not see the VCTCXO signal at any of these points, check to see if there is
voltage at the following points:
• VR3, main supply line for VCTCXO circuitry, should be 2.78VDC
• AFC voltage, should be between 1 and 3 V, and should be adjustable with the FC
slider on the RF PDM Control dialog box in Phoenix. If the AFC voltage is
missing, check the UEM.

Measuring the AFC Voltage

1. Measure the DC voltage at R502.
2. Open the RF PDM dialog box component in RF.
Issue 1 08/2004
6015/6015i/6016i/6019i (RH-55), 6012 (RM-20)
Figure 36: AFC voltage measurement location at R502
Figure 37: RF PDM dialog box for AFC measurement
©2004 Nokia Corporation
Troubleshooting - RF
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