Nokia N81 Service Manual

Charger connector and charging interface connections & electrical characteristics
Figure 82 Charger connector
Table 11 Charging interface connections
Pin Signal I/O Engine connection Notes
1 Vchar In N2300 VCharIn1
VCharIn2
VCharInK
Charging voltage / charger detection,
Center pin
2 Charge GND Ground Charger ground
Table 12 Charging IF electrical characteristics
Description Parameter Min Max Unit Notes
Vchar V Charge 0 16 V Limit is given by suppressor diode
Vchar I Charge 1.1 A Value valid for PWM mode charge current
Charge GND 1.1 A Value valid for PWM mode charge current
Internal interfaces
Name of Connection Connector reference Module
IHF speaker connector (right/left) B2150/B2151 Engine assembly
Microphone connector B2170 Engine assembly
BTB connector (Slide FPC) X3800 Engine assembly
BTB connector on Slide FPC X1000 Slide FPC
BTB connector (ITUT FPC) X2400 Engine assembly
BTB connector on ITUT FPC X1500 ITUT FPC
RM-179; RM-223
System Module and User Interface
Page 6 –40 COMPANY CONFIDENTIAL Issue 1
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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