Nokia NPD-4 Series Troubleshooting - Gps page 25

CCS Technical Documentation
4 Next connect spectrum analyzer through active probe with attenuator into filter
Z002 input
5 If connector/switch X001, filter Z001 and LNA V001 are OK signal level should be
similar to the following picture:
6 Next connect spectrum analyzer through active probe with attenuator into filter
Z002 Output
7 If connector/switch X001, filter Z001, LNA V001 and filter Z002 are OK , the sig-
nal level should be similar to the following picture:
Issue 1 02/2003
Figure 20: Signal level at Z001 output
Figure 21: Signal level at Z002 input
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Troubleshooting — GPS
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NPD-4
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