Figure 39 Single-ended output waveform of the Ext_microphone in Int handsfree out loop measurement when speaker is
connected (measured at speaker pads). No filter is used.
External output from AV
Figure 40 Single-ended output waveform of the AV Mic to AV Ear loop.
External output from AV (acoustic input)
Figure 41 Single-ended output waveform of the HP Mic to AV Ear loop.
RM-505; RM-506
BB Troubleshooting and Manual Tuning Guide
Issue 1 COMPANY CONFIDENTIAL Page 3 –67
Copyright © 2009 Nokia. All rights reserved.
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