Nokia N81 Service Manual

Introduction
Phone description
RAPIDO is the main digital baseband ASIC in the phone. It contains functionality for both WCDMA and GSM
EDGE.
AVILMA is mainly the audio ASIC in the phone and BETTY is basically the energy management controller for
the phone.
Bluetooth and FM radio are physically integrated in one single ASIC.
Key components
Function Description Item ref
Baseband ASIC AVILMA
BETTY
N2200
N2300
RF ASIC Ahneus N7505
Processor RAPIDO D2800
Camera accelerator HWA STV984N D2500
PA GSM Front end module (FEM), quad band N7520
PA WCDMA N7540
Oscillators VCTCXO
Balun GSM
Balum WCDMA
G7501
T7502
T7580
Memory 768Mb DDR SDRAM + 1Gb NAND FLASH Combo D3000
Back-up battery RTC back-up battery 311 G2200
FM radio BTHFM1.0 module D6000
Bluetooth BTHFM1.0 module D6000
Open/closed slider
detection
Hall sensor N2403
Battery BP-6MT
Battery connector Tabby blade interface X2070
RF connector X7501
RM-179; RM-223
System Module and User Interface
Issue 1 COMPANY CONFIDENTIAL Page 6 –7
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