Figure 79 Vibra circuitry
AV connector
The following features are supported by the engine accessory interface:
•
PlugDet signal is grounded when 3.5mm plug is inserted into the AV connector
•
Audio output (stereo headset/headphones having the impedance >16ohm)
- DAC33 signal source, TPA6130 two channel audio amplifier
•
Audio input (mono microphone from headset)
- Analogue microphone output Mic2P to AVilma
•
Control data (ECI)
- Used by AVilma/RAPIDOYAWE for accessory identification when the 3.5mm plug is detected
•
TV out composite signal to 75ohm coax cable
- Composite signal is routed to AV connector through a switch (which is controlled by AVVideoCtrl signal)
when TV is detected
•
Connects FM receiver to headphones, which serve as FM antenna
- Lines 4 & 5, through the bandpass filter
RM-356
System Module and User Interface
Issue 1 COMPANY CONFIDENTIAL Page 6 –35
Copyright © 2008 Nokia. All rights reserved.
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