Nokia 6015 Troubleshooting - Rf page 67

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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.)
1
Table 16 includes the values for the probing points in Figure 60.
Test
Point
1
2
3
4
5
6
7
8
Issue 1 08/2004
6015/6015i/6016i/6019i (RH-55), 6012 (RM-20)
3
5
2
6
Figure 60: GPS RF probing points
Table 16: GPS RF Probing Point Values
Description
1st RF filter in
1st RF filter out
GPS LNA in
GPS LNA out
2nd RF filter in
2nd RF filter out
GPS TCXO out (16.368MHz)
GPS TCXO (16.368MHz)
©2004 Nokia Corporation
4
7
GPS RFIC
GPS BBIC
Values
-62 dBm
-65 dBm
-63 dBm
-45 dBm
-46 dBm
-46 dBm
-3 dBm
-8 dBm
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Troubleshooting - RF
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