Nokia MOBILE TERMINAL Service Manual page 103

RM-356
BB Troubleshooting and Manual Tuning Guide
3. From the Testing menu, select GPS Control. This opens up
figure below, and enables the GPS.
Select Idle to confirm the GPS is enabled and is in idle mode; at this point all clocks should be present,
GPS_En_Reset should be high (1.8V), and Vdd_Dig (1.1V), Vcc_TCXO (2.5V) & Vcc_PLL/VCO (1.35V) should be
present. Turning Receiver Action
on.
Note: These checks are part of
Issue 1
On will turn on all the RF sections of the ASIC and so all LDOs will be
GPS basic checks troubleshooting (page 3–51)
Figure 23 GPS Control dialog box
COMPANY CONFIDENTIAL
Copyright © 2008 Nokia. All rights reserved.
GPS Control dialogue box, as shown in the
Page 3 –45