Nokia N81 Service Manual

Figure 80 AV connector circuitry
Vibra circuitry
Vibra is used for Vibra alarm function.
The vibra motor is connected to AVILMA asic VibraP and VibraN pulse width modulated outputs through Filter.
Vibra is built into cover and connected via cable to plug on PWB.
Figure 81 Vibra circuitry
AV connector
The AV Connector consists of single ended mono or stereo audio output and mono audio input.
The following table shows the AV interface electrical characteristics.
Table 10 AV interface electrical characteristics
Signal
name
Function/
Parameter
Min Typ Max Unit Note
HSMIC HS mic audio
input
- - 1,3 Vpp Max neg level
0,7V
RM-179; RM-223
System Module and User Interface
Page 6 –38 COMPANY CONFIDENTIAL Issue 1
Copyright © 2007 Nokia. All rights reserved.

Nokia N81 Specifications

General

Display diagonal	2.4 \
Display resolution	240 x 320 pixels
Display number of colors	16.78 million colors
Ringer type	Polyphonic
Internal memory	8196 MB
Front camera type	Single camera
Rear camera resolution	1600 x 1200 pixels
Personal info management (PIM)	Alarm clock, Calculator, Calendar, Notes, To-do list
Headphone connectivity	3.5 mm
USB 2.0 ports quantity	1
Text prediction system type	T9
Multimedia Messaging Service (MMS)	Multimedia Messaging Service (MMS) is a standard way to send messages that include multimedia content to and from a mobile phone over a cellular network
Form factor	Slider
Product color	Brown
Gaming time	6 h
Browsing time	5 h
Talk time (2G)	4 h
Talk time (3G)	3 h
Battery capacity	1050 mAh
Standby time (2G)	1020 h
Continuous audio playback time	11.5 h
Continuous video playback time	4.5 h
2G standards	GPRS
Data network	wcdma
Bluetooth version	2.0+EDR
Bluetooth profiles	A2DP, BIP, DUN, FTP, GAP, GOEP, HFP, HSP, OPP, SPP
SIM card capability	Single SIM

Weight and Dimensions

Depth	102 mm
Width	50 mm
Height	17.9 mm
Weight	140 g