User Guide

Internal earpiece

The internal earpiece is used in the HandPortable (HP) call mode. A dynamic 7x11 mm earpiece capsule is

connected to EM ASIC N2200 ASIC’s differential outputs EarP and EarN.

Figure 76 Internal earpiece

Internal speaker

The internal speaker is used in Internal HandsFree (IHF) call mode.

A dynamic 20 mm speaker is connected to N2200 ASIC’s outputs HFSpP and HFSpN.

The IHF amplifier integrated in EM ASIC N2200 is a Digital Pulse Modulated Amplifier (DPMA).

Figure 77 Internal speaker

External earpiece

All galvanic accessories are connected to the system connector (Pop-Port™).

The accessory audio mode is automatically enabled/disabled during connection/disconnection of dedicated

phone accessories.

RM-208

Nokia Customer Care System Module

Page 9 –22 COMPANY CONFIDENTIAL Issue 1