Internal Earpiece; Internal Speaker; Vibra Circuitry - Nokia E62 Service Manual

RM-88
System Module Nokia Customer Care

Internal earpiece

The internal earpiece is used in the HandPortable (HP) call mode. A dynamic 7x11 mm earpiece capsule is
connected to N2200 ASIC's differential outputs EarP and EarN.
Figure 61 Internal earpiece circuitry

Internal speaker

The internal speaker is used in Internal HandsFree (IHF) call mode.
A dynamic 20 mm speaker is connected to N2200 ASIC's outputs HFSpP and HFSpN.
The IHF amplifier integrated in EM ASIC N2200 is a Digital Pulse Modulated Amplifier (DPMA).
Figure 62 Internal speaker circuitry

Vibra circuitry

Vibra is used for vibra-alarm function.
The vibra motor is connected to the N2200 ASIC VibraP and VibraN Pulse Width Modulated (PWM) outputs.
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