Nokia MOBILE TERMINAL Service Manual page 119

RM-356
BB Troubleshooting and Manual Tuning Guide
Figure 32 Single-ended output waveform of the Ext_in_IHF_out out loop measurement when speaker is connected
(measured at speaker pads). No filter is used.
External output from AV
Figure 33 Single-ended output waveform of the Ext_in_Ext_out loop.
External output from AV (acoustic input)
Figure 34 Single-ended output waveform of the HP_microphone_in_Ext_out loop.
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