User Guide

Figure 73 Audio block diagram

Internal microphone

Internal microphone is used for HandPortable (HP) and Internal HandsFree (IHF) call modes.

An analogue electret microphone is connected to EM ASIC N2200 ASIC’s Mic1P and Mic1N is connected ground

near EM ASIC N2200.

RM-208

Nokia Customer Care System Module

Page 9 –20 COMPANY CONFIDENTIAL Issue 1