Audio Concept - Nokia RM-579 Service Manual

RM-578; RM-579
System Module

Audio concept

This phone has a conventional solution on microphone, earpiece, IHF and vibrator. All of these are handled
by AVILMAS N2200. One integrated handsfree speaker is driven directly by AVILMAS. The analog microphone
is directly connected to AVILMAS for processing via a RF-filter.
Figure 32 Audio block diagram
Page 5 –12 COMPANY CONFIDENTIAL Issue 3
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