User Guide

Figure 119 Vibra circuitry
AV connector
The AV connector consists of single ended mono or stereo audio output and mono audio input.
The handsfree driver in Avilma is meant for the headset.
Table 11 AV interface electrical characteristics
Signal name Function/
Parameter
Min Typ Max Unit Notes
HSMIC HS mic audio
input
- - 1.3 V
pp
V Max. negative level -
0.7 V
HSEARL HS EAR L audio
output
- - 2 V
pp
V SPR requirement
HSEARR HS EAR R audio
output
- - 2 V
pp
V SPR requirement
MICBIAS HS MIC bias
voltage
2.05 2.1 2.25 V
ECI Vin high 1.7 - 2.6 V
ECI Vin low 0 - 0.7 V
Baseband technical specifications
External interfaces
Name of connection Connector reference
USB X2002 (on engine PWB)
Charger plug X2000
AV connector (Headset) X2001 (on engine PWB)
SIM reader X2700 (on engine PWB)
Micro SD reader X3000 (on engine PWB)
Battery connector X2070 (on engine PWB)
RM-135
System Module and User Interface Nokia Customer Care
Issue 1 COMPANY CONFIDENTIAL Page 7 –35
Copyright © 2007 Nokia. All rights reserved.