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 106 External earpiece circuitry (system connector connected on the right)
Vibra circuitry
The vibra circuitry is used for the vibra-alarm function.
The vibra motor is connected to the EM ASIC (N2200) VibraP and VibraN Pulse Width Modulated (PWM) outputs.
Figure 107 Vibra circuitry
RM-180
System Module Nokia Customer Care
Issue 1 COMPANY CONFIDENTIAL Page 9 –31
Copyright © 2006 Nokia. All rights reserved.
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