Nokia N81 Service Manual

Figure 76 AVILMA output
Figure 77 Connector X3800 to Flexboard
Figure 78 Connection to earpiece on slide FPC board
Internal speakers
Internal speakers are used for Internal Handsfree (IHF) call mode, Video call, ringing tones, FM radio and
music listening.
Two dynamic speakers are connected to AVILMA’s outputs Xear left and right in differential mode with a
highpassfilter (C2158/R2150 and C2159/R2151) and a stereo calss D amplifier TPA2012D2 with a fixed gain
of 12dB. Amplifier is shut down if not in use.
RM-179; RM-223
System Module and User Interface
Page 6 –36 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