User Guide

Nokia Customer Care Troubleshooting - RF
6015/6015i/6016i/6019i (RH-55), 6012 (RM-20)
Issue 1 - Revision 002 09/2004 ©2004 Nokia Corporation Company Confidential Page 67
6. Measure the probe points with either a voltmeter or an AAS_10B probe with a
spectrum analyzer set at a center frequency of 1575.25MHz and a span of
500kHz. (All points are 1575.52MHz, except for TCXO, which is at 16.368MHz.)
Figure 60: GPS RF probing points
Table 16 includes the values for the probing points in Figure 60.
Table 16: GPS RF Probing Point Values
Test
Point
Description Values
1 1st RF filter in -62 dBm
2 1st RF filter out -65 dBm
3 GPS LNA in -63 dBm
4 GPS LNA out -45 dBm
5 2nd RF filter in -46 dBm
6 2nd RF filter out -46 dBm
7 GPS TCXO out (16.368MHz) -3 dBm
8 GPS TCXO (16.368MHz) -8 dBm
4
2
1
3
5
6
8
7
GPS RFIC
GPS BBIC