Internal Handsfree (Ihf) Speaker; Internal Microphones - Nokia Lumia 1320 Service Manual

RM-994/ RM-995/ RM-996
System Module

Internal handsfree (IHF) speaker

IHF speaker used is AAC and is connected to PMIC spkr_out. PMIC spkr_in differential audio inputs are
connected to WCD9304 Line_out1 and Line_out2.
Figure 50 Internal handsfree (IHF) speaker diagram

Internal microphones

Goertek microphones are used as internal microphones. The digital microphones are connected to
WCD9304 Codec.
Figure 51 Internal microphones diagram
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