User Guide

Table of Contents
General BB troubleshooting guidelines ...............................................................................................................3–5
Phoenix self tests ...................................................................................................................................................3–5
ST_CURRENT_CONS_TEST troubleshooting.............................................................................................................3–7
ST_SLEEPCLK_FREQ_TEST troubleshooting.............................................................................................................3–8
ST_SLEEP_X_LOOP_TEST troubleshooting ..............................................................................................................3–9
ST_UEM_CBUS_IF_TEST troubleshooting ............................................................................................................. 3–10
Power and charging troubleshooting............................................................................................................... 3–11
Dead or jammed device troubleshooting.................................................................................................... 3–11
General power checking................................................................................................................................ 3–13
Hall sensor troubleshooting.......................................................................................................................... 3–15
Charging troubleshooting ............................................................................................................................. 3–15
Interface troubleshooting .................................................................................................................................. 3–17
Flash programming fault troubleshooting.................................................................................................. 3–17
Combo memory troubleshooting ................................................................................................................. 3–18
SD card troubleshooting................................................................................................................................ 3–19
USB interface troubleshooting...................................................................................................................... 3–19
SIM card troubleshooting .............................................................................................................................. 3–21
User interface troubleshooting.......................................................................................................................... 3–22
Keyboard troubleshooting ............................................................................................................................ 3–22
Power/end key troubleshooting................................................................................................................... 3–24
Display module troubleshooting.................................................................................................................. 3–26
General instructions for display troubleshooting.................................................................................. 3–26
Display troubleshooting ........................................................................................................................... 3–26
LED driver troubleshooting ...................................................................................................................... 3–31
Camera module troubleshooting....................................................................................................................... 3–31
Introduction to camera troubleshooting .................................................................................................... 3–31
Taking and evaluating test pictures with main camera ............................................................................ 3–32
Camera troubleshooting................................................................................................................................ 3–32
Camera and HWA hardware troubleshooting ............................................................................................. 3–33
Audio troubleshooting........................................................................................................................................ 3–33
Audio troubleshooting test instructions...................................................................................................... 3–33
Internal earpiece troubleshooting ............................................................................................................... 3–37
Internal microphone troubleshooting......................................................................................................... 3–37
Internal handsfree (IHF) troubleshooting.................................................................................................... 3–38
External microphone troubleshooting......................................................................................................... 3–40
External earpiece troubleshooting............................................................................................................... 3–41
Vibra troubleshooting.................................................................................................................................... 3–42
Bluetooth troubleshooting................................................................................................................................. 3–43
Introduction to Bluetooth troubleshooting ................................................................................................ 3–43
Bluetooth settings for Phoenix..................................................................................................................... 3–44
Bluetooth self tests in Phoenix..................................................................................................................... 3–45
Bluetooth troubleshooting ........................................................................................................................... 3–47
Baseband manual tuning guide......................................................................................................................... 3–49
Certificate restoring for BB5 products.......................................................................................................... 3–49
Energy management calibration.................................................................................................................. 3–54
List of Tables
Table 8 Display module troubleshooting cases................................................................................................ 3–26
Table 9 Calibration value limits ......................................................................................................................... 3–55
RM-429
BB Troubleshooting and Manual Tuning Guide
Issue 1 COMPANY CONFIDENTIAL Page 3 –3
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