Nokia RX-44 Service Manual page 73

RX-44
BB Troubleshooting and Manual Tuning Guide
Main troubleshooting ............................................................................................................................................4-5
Dead or jammed device troubleshooting ............................................................................................................4-7
Power key troubleshooting...................................................................................................................................4-8
General power checking troubleshooting ...........................................................................................................4-9
Battery current measuring troubleshooting
Flash programming fault
Clocking troubleshooting
APE CPU troubleshooting
Charging troubleshooting
HW keys troubleshooting
SDRAM temperature sensor troubleshooting
Memory troubleshooting....................................................................................................................................
Memorycards troubleshooting...........................................................................................................................
USB interface troubleshooting...........................................................................................................................
GPS troubleshooting ...........................................................................................................................................
GPS antenna....................................................................................................................................................
GPS layout and basic test
GPS settings for Phoenix................................................................................................................................
GPS control.................................................................................................................................................
Quick Test window....................................................................................................................................
GPS RF test points...........................................................................................................................................
GPS failure troubleshooting
GPS basic checks troubleshooting
GPS radiated CW test......................................................................................................................................
GPS settings for Phoenix; GPS control
Display module troubleshooting
General instructions for display
Display troubleshooting
Touch panel troubleshooting........................................................................................................................
Display LED troubleshooting
Ambient Light Sensor.....................................................................................................................................
ALS troubleshooting.......................................................................................................................................
Retuning ALS ..................................................................................................................................................
RGB LED driver troubleshooting....................................................................................................................
Bluetooth troubleshooting.................................................................................................................................
Introduction to Bluetooth troubleshooting
Bluetooth settings for
Bluetooth self tests in Phoenix
Bluetooth BER failure troubleshooting 1 and 2
Audio troubleshooting........................................................................................................................................
Audio troubleshooting test
Accessory troubleshooting
Headset/headphone earpiece
Headset microphone
Internal microphone troubleshooting
Internal speakers troubleshooting...............................................................................................................
Baseband manual tuning
Energy management calibration
Issue 1
Table of Contents
....................................................................................................
troubleshooting.......................................................................................................
...................................................................................................................................
....................................................................................................................................
..................................................................................................................................
...................................................................................................................................
...................................................................................................
points...................................................................................................................
..........................................................................................................................
flow........................................................................................................
..........................................................................................................
.......................................................................................................................
troubleshooting.......................................................................................
................................................................................................................................
.........................................................................................................................
Phoenix.....................................................................................................................
.....................................................................................................................
instructions......................................................................................................
............................................................................................................................
troubleshooting..........................................................................................
troubleshooting.........................................................................................................
.........................................................................................................
guide.........................................................................................................................
..................................................................................................................
COMPANY CONFIDENTIAL
Copyright © 2007 Nokia. All rights reserved.
................................................................................................
..........................................................................................
4-11
4-12
4-13
4-14
4-15
4-16
4-17
4-18
4-19
4-21
4-23
4-23
4-25
4-25
4-25
4-26
4-27
4-29
4-30
4-31
4-31
4-32
4-32
4-35
4-35
4-37
4-38
4-38
4-39
4-41
4-42
4-42
4-43
4-44
4-46
4-48
4-48
4-50
4-50
4-52
4-53
4-54
4-55
4-55
Page 4 -3