RM-994/ RM-995/ RM-996
System Module
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 Audio concept
Audio HW architecture
BoostMono (U2100) along with Audio IC WCD9304 provides the analogue audio output interfaces and
MSM8930 provides the digital audio output interface support.
Figure 48 Audio system and AV connector block diagram
Internal earpiece
The internal earpiece used is Goertek and is directly connected to EAR_OP/EAR_OM interface of the
WCD9304 Codec.
Figure 49 Internal earpiece diagram
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