3. From the Testing menu, select GPS Control. This opens up
GPS Control
dialogue box, as shown in the
figure below, and enables the GPS.
Figure 21 GPS Control dialog box
Select Idle to confirm the GPS is enabled and is in idle mode; at this point all clocks should be present,
GPS_En_Reset & SleepX should be high, and Vdd_Dig, Vcc_TCXO & Vcc_PLL/VCO will be present.
Receiver On turns on all RF sections of the ASIC and so all LDOs will be on. These checks are part of
GPS
basic checks troubleshooting
.
Quick Test window
The
Quick Test
window has all the necessary functionality for GPS troubleshooting. Ensure the test setup is
correct and click Start Test. (Select Help for further information).
This test will perform 3 tests in one; Self Test, Oscillator Test and CW Test, and will provide a Pass/Fail response.
It also contains a Receiver On button. These checks are part of
GPS troubleshooting
.
RM-247
BB Troubleshooting and Tuning Guide
Issue 1 COMPANY CONFIDENTIAL Page 3 –39
Copyright © 2008 Nokia. All rights reserved.
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