Nokia N81 Service Manual

• Setup the signal generator to correspond with the values on the Rx Calibration pop-up window and click
OK.
Figure 41 Pop-up window for WCDMA2100
• Ensure Tuning Results are within limits specified in the table above: If values are OK, click Write to save
the values to the phone.
• Close the tuning window.
WCDMA transmitter tunings
Tx AGC & power detector (WCDMA)
Context
Tx AGC & power detector tuning has two purposes:
• to enable the phone to select the correct TxC value accurately in order to produce the required RF level
• to enable the phone to measure its own transmitter power accurately
There are two ways to perform the tuning. For an alternative method, see Alternative steps (page 4–51).
Steps
1. From the Operating mode drop-down menu, set mode to Local.
2. Choose Tuning→WCDMA→Tx AGC & Power Detector.
3. Click Start.
4. In the Wide Range pane, click Tune (the leftmost Tune button).
RM-179; RM-223
RF troubleshooting
Issue 1 COMPANY CONFIDENTIAL Page 4 –45
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