Internal Earpiece; Internal Speaker - Nokia RM-132 Service Manual & Parts Manual

RM-132; RM-133
Nokia Customer Care System Module
Accessory audio mode is automatically enabled/disabled during connection/disconnection of dedicated
phone accessories.
A dynamic earpiece capsule is connected directly to the EM ASIC (N2200) differential outputs EarP and EarN.
Figure 88 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 earpiece capsule is connected
directly to the EM ASIC (N2200) differential outputs EarP and EarN.

Internal speaker

The internal speakers are used in Internal HandsFree (IHF) call mode.
Two dynamic speakers are connected to the N6509 dual amplifier.
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