Nokia N81 Service Manual

Name of Connection Connector reference Module
BTB connector (BT FPC) X2520/X2521/X6300/
X6302
Engine assembly
BTB connector on BT FPC X1000/X1001/X1002 BT FPC
Main camera connector X2500 Engine assembly
Vibra connector X2100 Engine assembly
Display connector X1010 Slide FPC
Earpiece connector B1010 Slide FPC
Back-up battery interface electrical characteristics
Table 13 Back-up battery connections
Pin name I/O Connection Notes
VBACK <-> N2200 -
VBACK
Back-up battery G2200 is connected to
N2200 directly
Table 14 Back-up battery electrical characteristics
Description Parameter Min Typ Max Unit
Back-Up Battery Voltage Vback 2.6 V
RM-179; RM-223
System Module and User Interface
Issue 1 COMPANY CONFIDENTIAL Page 6 –41
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