Internal Earpiece; Internal Speaker - Nokia n80 User Manual
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Also See for n80:
- User manual (142 pages) ,
- Manual (128 pages) ,
- Aplicaciones adicionales manual (33 pages)
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RM-91; RM-92
System Module
Nokia Customer Care
Accessory audio mode is automatically enabled/disabled during connection/disconnection of dedicated
phone accessories.
A dynamic 7mmx11mm earpiece capsule is connected directly to the EM ASIC (N2200) differential outputs
EarP and EarN through the Slide flexi and the UI PWB.
Figure 101 External microphone circuitry (system connector connects to the right side)
Internal earpiece
The internal earpiece is used in the HandPortable (HP) call mode. A dynamic 7mmx11mm earpiece capsule
is connected directly to the EM ASIC (N2200) differential outputs EarP and EarN through the Slide flexi and
the UI PWB.
Internal speaker
The internal speaker is used in Internal HandsFree (IHF) call mode.
A dynamic 16 mm speaker is connected to the EM ASIC (N2200) outputs HFSpP and HFSpN.
The IHF amplifier integrated in N2200 is a Digital Pulse Modulated Amplifier (DPMA).
Figure 102 Internal speaker circuitry
Issue 1
COMPANY CONFIDENTIAL
Page 9 –25
Copyright © 2006 Nokia. All rights reserved.
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