Nokia Av Connector; Nokia Av Interface, Output - Nokia RX-44 Service Manual

RX-44
System Module

Nokia AV connector

A 3.5mm round 4-pole SMD connector is used for stereo audio out, mono audio in (external microphone) and
enhancement identification purposes.
All signals are single-ended type and enhancement identification is implemented throught the same pin that
external mic also uses.
3.5mm Pin Signal name
#
6 PLUGDET
5 HS EAR L
4 HS EAR R
3 HS MIC
1, 2 HS GND

Nokia AV interface, output

The D4800 feeds digital audio data to the N4100 via the I2S interface. After the N4100 the signal is further
amplified by stereo audio power amplifier (N4102) and fed to the 3.5mm Nokia AV interface connector
(X4100).
Issue 1
Figure 46 Nokia AV connector
Table 17 Pin/signal orders
Direction
Input
Output
Output
Input
-
COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
Description
Terminal internal connection, plug
detection
Audio output
Audio output
Microphone audio & send/end button
info
Ground contacts
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