Nokia n81 Service Manual page 53

RM-179; RM-223
Baseband Troubleshooting
Troubleshooting overview ....................................................................................................................................3-5
Dead or jammed device troubleshooting ............................................................................................................3-6
General power checking ........................................................................................................................................3-7
Clocking troubleshooting ......................................................................................................................................3-8
Charging troubleshooting .....................................................................................................................................3-9
Backup battery troubleshooting........................................................................................................................
Flash programming fault
Combo memory troubleshooting
MicroSD card troubleshooting............................................................................................................................
EMMC troubleshooting
USB interface troubleshooting...........................................................................................................................
SIM card troubleshooting
Hall sensor troubleshooting...............................................................................................................................
WLAN interface troubleshooting
Keyboard troubleshooting
NaviWheel troubleshooting
Power key troubleshooting................................................................................................................................
Vibra troubleshooting.........................................................................................................................................
Display module troubleshooting
General instructions for display
Display troubleshooting
LED driver troubleshooting
Power LED troubleshooting
Bluetooth and FM radio
Introduction to Bluetooth/FM Radio troubleshooting
Bluetooth settings for
Bluetooth self tests in Phoenix
Bluetooth troubleshooting
FM radio troubleshooting..............................................................................................................................
Audio troubleshooting........................................................................................................................................
Audio troubleshooting test
Internal earpiece troubleshooting
Internal microphone troubleshooting
IHF speakers troubleshooting.......................................................................................................................
External microphone
External earpiece troubleshooting...............................................................................................................
Acoustics troubleshooting.............................................................................................................................
Introduction to acoustics troubleshooting
Earpiece troubleshooting
IHF troubleshooting
Microphone troubleshooting
Baseband manual tuning
Certificate restoring for BB5
Energy management calibration
List of Tables
Table 2 Display module troubleshooting
Table 3 Pixel defects ...........................................................................................................................................
Table 4 Calibration value limits
Issue 1
Table of Contents
troubleshooting.......................................................................................................
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Phoenix.....................................................................................................................
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troubleshooting.........................................................................................................
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COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
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