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...................................................................................................................................3–8
Charging troubleshooting ................................................................................................................................3–9
Interface troubleshooting .................................................................................................................................. 3–11
Flash programming fault troubleshooting.................................................................................................. 3–11
Combo memory troubleshooting ................................................................................................................. 3–14
USB interface troubleshooting...................................................................................................................... 3–14
SIM card troubleshooting .............................................................................................................................. 3–16
User interface troubleshooting.......................................................................................................................... 3–18
Keypad troubleshooting................................................................................................................................ 3–18
Display module troubleshooting.................................................................................................................. 3–20
General instructions for display troubleshooting.................................................................................. 3–20
Display troubleshooting ........................................................................................................................... 3–21
Keyboard backlight troubleshooting ...................................................................................................... 3–21
SD card troubleshooting........................................................................................................................... 3–23
Camera troubleshooting..................................................................................................................................... 3–24
Camera troubleshooting................................................................................................................................ 3–24
Audio troubleshooting........................................................................................................................................ 3–26
Audio troubleshooting test instructions...................................................................................................... 3–26
Internal earpiece troubleshooting ............................................................................................................... 3–30
Internal microphone troubleshooting......................................................................................................... 3–30
Internal handsfree (IHF) troubleshooting.................................................................................................... 3–31
External earpiece troubleshooting............................................................................................................... 3–32
External microphone troubleshooting......................................................................................................... 3–33
Vibra troubleshooting.................................................................................................................................... 3–34
Baseband manual tuning guide......................................................................................................................... 3–36
Certificate restoring for BB5 products.......................................................................................................... 3–36
Energy management calibration.................................................................................................................. 3–41
List of Tables
Table 4 Display module troubleshooting cases................................................................................................ 3–20
Table 5 Pixel defects ........................................................................................................................................... 3–20
Table 6 Calibration value limits ......................................................................................................................... 3–41
List of Figures
Figure 11 Flashing pic 1. Take single trig measurement for the rise of the BSI signal................................ 3–12
Figure 12 Flashing pic 2. Take single trig measurement for the rise of the BSI signal................................ 3–13
Figure 13 Single-ended output waveform of the Ext_in_HP_out measurement when earpiece is
connected. ................................................................................................................................................. 3–28
Figure 14 Differential output waveform of the Ext_in_IHF_out out loop measurement when speaker is
connected. ................................................................................................................................................. 3–28
Figure 15 Single-ended output waveform of the HP_in_Ext_out loop when microphone is connected....
3–29
RM-561
BB Troubleshooting and Manual Tuning Guide
Issue 1 COMPANY CONFIDENTIAL Page 3 –3
Copyright © 2009 Nokia. All rights reserved.
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