Gps Layout And Basic Test Points; Gps Rf Test Points - Nokia MOBILE TERMINAL Service Manual

RM-356
BB Troubleshooting and Manual Tuning Guide

GPS layout and basic test points

Figure 20 GPS layout and basic test points
VBat, ASIC internal LDO voltages, and clocks are available as shown in figure above. In addition to these, the
following GPS signals are available on the test points listed below:
• GPS_En_Reset (J6201)
• U2Tx (J6200, activity on this pin indicates the GPS is operating)

GPS RF test points

The GPS antenna test pads are located on the top side as shown in figure "GPS antenna test pads". Checking
for a connection between these two test points will confirm that the antenna is working correctly, as will
performing a radiated CW test.
J6280 = GPS Ant
J6281 = GPS Ant Gnd
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