Nokia RH-27 Series Troubleshooting Manual page 5

RH-27
CCS Technical Documentation Troubleshooting - GPS
5a. Self-Test Failure:
• Repeat Steps 1-5 for first failure. If the test still fails, continue.
• Inspect all GPS circuit elements around D051.
• If pass visual inspection, then replace D051.
5b. Oscillator Failure:
• Inspect all GPS circuit elements around D051.
• If pass visual inspection, then replace B002.
D051
B002
Top Layer
5c. CW Test Failure:
• Check that signal generator is on and sourcing a signal to the GPS RF input port (X001).
• Inspect all GPS RF circuit elements.
• Inspect all GPS circuit elements around D051.
• If all visual inspection looks good, then replace GPS RF IC (N001).
©2003 Nokia Corporation
Issue 1 11/2003 Confidential Page 5