Figure 25 Audio block diagram
The Plug detector (PLUG_DET) in the AV connector enables the external microphone, when the phone function
is used.
AV connector
The AV connector is used to connect headsets both in the handsfree phone function and for using the phone
as a media player (see the audio concept heading). The six pins are used in accordance with the table below.
A connected male connector is detected on pin 6 (PLUG_DET).
Note:
Only use an approved cable for connecting to the AV connector ( e.g. headset HS-45).
RM-352; RM-354
System Module
Issue 1
COMPANY CONFIDENTIAL
Page 5 –15
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