User Guide

RM-11
Troubleshooting - FM Radio CC Technical Documentation
Page 4 ©2004 Nokia Corporation Confidential Issue 1 02/2004
FM Radio Testing with UHJ Headset
1. Disconnect the Tomahawk headset (HDS-3) from the Tomahawk connector and
connect the UHJ headset.
2. Select the “Radio” menu from the phone’s User Interface Menu control.
3. Set a local station by selecting “Automatic Tuning” from the Radio menu and
then pressing the Up arrow.
4. Listen for sound out of the headset.
• If there is a signal present, the radio is functioning properly.
• If there is no static or sound present, then inspect the FM radio, Baseband
circuits, and audio circuits. Consult the Troubleshooting - Baseband section
of this manual for audio troubleshooting.
Figure 2: Bottom and top PWB layer inspection areas
Top PWB layer
Bottom PWB layer
Inspect