Quick Test Window - Nokia RX-44 Service Manual

3. From the Testing menu, select GPS Control. This opens up
figure below, and enables the GPS.
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
basic checks troubleshooting (page

Quick Test window

Quick Test window has all the necessary functionality for GPS troubleshooting. Ensure the test setup is
The
correct and click Start Test. (Select Help for further information).
This test will perform 3 tests in one; Self Test, Oscillator Test (not supported) and CW Test, and will provide
a Pass/Fail response. It also contains a Receiver On button. These checks are part of
troubleshooting (page
Page 4 –26
Figure 18 GPS Control dialog box
4–30).
4–29).
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BB Troubleshooting and Manual Tuning Guide
GPS Control dialogue box, as shown in the
RX-44
GPS
GPS failure
Issue 1