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Nokia N96 Service Manual: Internal Earpiece; Internal Speaker; External Earpiece

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System Module

Internal earpiece

The internal earpiece is used in the HandPortable (HP) call mode. A dynamic 8 mm earpiece capsule is
connected directly to the EM ASIC (N2200) differential outputs EarP and EarN through the flip flexi PWB and
micro coaxial cable (X6 - X8900).
Figure 62 Internal earpiece schematics

Internal speaker

The internal speakers are used in Internal HandsFree (IHF) call mode and for ringing tones. They can also be
used for example with GPS navigation instructions or with Music Player. Two dynamic speakers are connected
to the N2120 stereo amplifier. Signal to the amplifier comes from N2200 outputs XearL and XearR.
Figure 63 Stereo IHF connection

External earpiece

All galvanic accessories are connected to the AV-connector. Any accessory with 3.5mm plug can be used.
Accessory detection mechanism is described in separate chapter. Stereo signal to external earpiece comes
from N2200 outputs XearL and XearR. Attenuation is needed before headphone amplifier in the use case
where ringing tone is played from IHF speakers and earpiece simultaneously.
Issue 1
Page 7 –27
Copyright © 2008 Nokia. All rights reserved.




   Also See for Nokia N96

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L3, L4

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