Gps Rf Test Points - Nokia 3555 Service Manual

RM-257; RM-270; RM-277
BB Troubleshooting and Manual Tuning Guide

GPS RF test points

The GPS antenna is located on the top side as shown in the figure below. Performing a radiated CW test will
confirm that the antenna is working correctly.
In order to probe GPS RF test points, inject 1575.52 MHz tone @ -50dBm at the GPS antenna test connector
and select Receiver On, then probe the GPS RF test points as shown in figure "GPS RF probe points". Compare
RF levels with a known reference phone.
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