Table of Contents
Baseband self tests in Phoenix .............................................................................................................................3–5
Power and charging troubleshooting..................................................................................................................3–7
Dead or jammed device troubleshooting.......................................................................................................3–7
General power checking...................................................................................................................................3–9
Charging troubleshooting ............................................................................................................................. 3–10
Interface troubleshooting .................................................................................................................................. 3–11
Flash programming fault troubleshooting.................................................................................................. 3–11
Combo memory troubleshooting ................................................................................................................. 3–14
SD card troubleshooting................................................................................................................................ 3–14
USB interface troubleshooting...................................................................................................................... 3–15
SIM card troubleshooting .............................................................................................................................. 3–16
TV out troubleshooting ................................................................................................................................. 3–18
User interface troubleshooting.......................................................................................................................... 3–19
Keypad and side keys troubleshooting........................................................................................................ 3–19
Display module troubleshooting.................................................................................................................. 3–21
General instructions for display troubleshooting.................................................................................. 3–21
Blank display troubleshooting................................................................................................................. 3–22
Faulty image troubleshooting ................................................................................................................. 3–23
Display on but no image troubleshooting.............................................................................................. 3–25
Display backlight troubleshooting .......................................................................................................... 3–26
Hall sensor troubleshooting .................................................................................................................... 3–26
Camera module troubleshooting....................................................................................................................... 3–28
Introduction to camera troubleshooting .................................................................................................... 3–28
Back (main) camera troubleshooting .......................................................................................................... 3–28
Taking and evaluating test pictures with main camera ....................................................................... 3–28
Camera hardware troubleshooting......................................................................................................... 3–29
Camera hardware troubleshooting......................................................................................................... 3–30
Small (front) camera troubleshooting ......................................................................................................... 3–31
Evaluating videocall picture quality from small (front) camera........................................................... 3–31
Small (front) camera bad image quality troubleshooting.................................................................... 3–32
Small (front) camera troubleshooting .................................................................................................... 3–32
Small (front) camera hardware troubleshooting .................................................................................. 3–34
LED camera flash troubleshooting................................................................................................................ 3–35
Audio troubleshooting........................................................................................................................................ 3–35
Audio troubleshooting test instructions...................................................................................................... 3–35
Internal earpiece troubleshooting ............................................................................................................... 3–40
Internal microphone troubleshooting......................................................................................................... 3–40
Internal handsfree (IHF) troubleshooting.................................................................................................... 3–42
External earpiece troubleshooting............................................................................................................... 3–42
External microphone troubleshooting......................................................................................................... 3–44
Vibra troubleshooting.................................................................................................................................... 3–44
Baseband manual tuning guide......................................................................................................................... 3–45
Certificate restoring for BB5 products.......................................................................................................... 3–45
Energy management calibration.................................................................................................................. 3–51
List of Tables
Table 5 Display module troubleshooting cases................................................................................................ 3–21
Table 6 Pixel defects ........................................................................................................................................... 3–22
Table 7 Calibration value limits ......................................................................................................................... 3–51
RM-240
BB Troubleshooting and Manual Tuning Guide
Issue 1 COMPANY CONFIDENTIAL Page 3 –3
Copyright © 2007 Nokia. All rights reserved.
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