Internal Earpiece; Internal Handsfree (Ihf) Speaker; Internal Microphones - Nokia RM-626 Service Manual

RM-626
System Module

Internal earpiece

The internal earpiece used is MStout (8X12) and is connected to EM ASIC EARP and EARN lines.
Figure 62 Internal earpiece diagram

Internal handsfree (IHF) speaker

IHF speaker used is Mean and is connected to BoostMono Vallu N2150. Vallu is a mono D-class speaker
amplifier with an integrated inductive boost converter. Vallu's differential audio inputs are connected to EM
ASIC Gazoo/Pearl XEarL, XEarLC and it can be enabled/disabled by Genout105 from Rapu.
Figure 63 Internal handsfree (IHF) speaker diagram

Internal microphones

Digital microphones used are Knopfler and are connected to Rapu. DigiMic CLK is connected to RAPU Genio72
and DigiMic DATA is connected to Rapu Genio39.
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