Gps Testing - Nokia RM-11 Series Troubleshooting Manual

RM-11
Troubleshooting - RF

GPS Testing

1. Set Local Mode.
2. Inject -110dBm tone @ 1575.52MHz at GPS connector (X001) with a signal
generator or call box.
Signal Generator Signal Generator
3. Open the BB/Hwd menu and select GPS Control .
4. Self-Test Failure: Repeat Steps 1-3 for first failure. If the test still fails, continue.
5. Inspect all GPS circuit elements around D051.
If pass visual inspection, then replace D051.
© 2005 Nokia Corporation
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RF OUT RF OUT
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4. Execute the GPS Quick Test.
5. Analyze Results: See next figures.
Confidential Issue 2 09/2005