User Guide

Figure 77 Internal speaker circuitry

External earpiece

All galvanic accessories are connected to the system connector.

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

phone accessories.

Figure 78 External earpiece circuitry (system connector connected on the right)

Vibra circuitry

The vibra circuitry is used for the vibra-alarm function.

RM-49

Nokia Customer Care System Module

Page 8 –20 COMPANY CONFIDENTIAL Issue 1