User Guide

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
Internal memory troubleshooting ............................................................................................................... 3–14
USB interface troubleshooting...................................................................................................................... 3–15
SIM card troubleshooting .............................................................................................................................. 3–17
User interface troubleshooting.......................................................................................................................... 3–18
Keypad troubleshooting................................................................................................................................ 3–18
Display module troubleshooting.................................................................................................................. 3–18
General instructions for display troubleshooting.................................................................................. 3–18
Display troubleshooting ........................................................................................................................... 3–19
Keyboard backlight troubleshooting ...................................................................................................... 3–21
Camera and LED flash troubleshooting............................................................................................................. 3–22
Camera troubleshooting................................................................................................................................ 3–22
Bad camera image quality troubleshooting................................................................................................ 3–22
Camera viewfinder troubleshooting ............................................................................................................ 3–24
Camera hardware failure message troubleshooting.................................................................................. 3–25
Camera hardware troubleshooting.............................................................................................................. 3–26
LED camera flash troubleshooting................................................................................................................ 3–26
Audio troubleshooting........................................................................................................................................ 3–28
Audio troubleshooting test instructions...................................................................................................... 3–28
Internal earpiece troubleshooting ............................................................................................................... 3–32
Internal microphone troubleshooting......................................................................................................... 3–32
Internal handsfree (IHF) troubleshooting.................................................................................................... 3–33
External earpiece troubleshooting............................................................................................................... 3–34
External microphone troubleshooting......................................................................................................... 3–35
Vibra troubleshooting.................................................................................................................................... 3–36
Baseband manual tuning guide......................................................................................................................... 3–37
Certificate restoring for BB5 products.......................................................................................................... 3–37
Energy management calibration.................................................................................................................. 3–42
List of Tables
Table 5 Display module troubleshooting cases................................................................................................ 3–18
Table 6 Pixel defects ........................................................................................................................................... 3–19
Table 7 Calibration value limits ......................................................................................................................... 3–42
List of Figures
Figure 8 Flashing pic 1. Take single trig measurement for the rise of the BSI signal.................................. 3–12
Figure 9 Flashing pic 2. Take single trig measurement for the rise of the BSI signal.................................. 3–13
Figure 10 Single-ended output waveform of the Ext_in_HP_out measurement when earpiece is
connected. ................................................................................................................................................. 3–30
Figure 11 Differential output waveform of the Ext_in_IHF_out out loop measurement when speaker is
connected. ................................................................................................................................................. 3–30
RM-265
BB Troubleshooting and Manual Tuning Guide
Issue 1 COMPANY CONFIDENTIAL Page 3 –3
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