User Guide

Table of Contents
Dead or jammed device troubleshooting............................................................................................................3–5
General power checking troubleshooting - CMT .................................................................................................3–6
General power checking troubleshooting - APE..................................................................................................3–7
Clocking troubleshooting ......................................................................................................................................3–8
Application processor troubleshooting ............................................................................................................ 3–10
Charging troubleshooting .................................................................................................................................. 3–11
Battery current measuring fault troubleshooting ........................................................................................... 3–12
Flash programming fault troubleshooting....................................................................................................... 3–13
CMT combo memory fault troubleshooting...................................................................................................... 3–16
Application processor memory troubleshooting............................................................................................. 3–17
APE temperature sensor troubleshooting ........................................................................................................ 3–18
TV-out troubleshooting ...................................................................................................................................... 3–19
USB interface troubleshooting........................................................................................................................... 3–20
SIM card troubleshooting ................................................................................................................................... 3–21
Memory card troubleshooting ........................................................................................................................... 3–22
WLAN interface troubleshooting ....................................................................................................................... 3–23
Camera MR sensor troubleshooting .................................................................................................................. 3–24
Certificate restoring for BB5 products............................................................................................................... 3–25
Keys troubleshooting.......................................................................................................................................... 3–30
Keyboard troubleshooting ............................................................................................................................ 3–30
Power key troubleshooting........................................................................................................................... 3–31
NaviWheel troubleshooting.......................................................................................................................... 3–33
GPS troubleshooting ........................................................................................................................................... 3–34
GPS layout and basic test points................................................................................................................... 3–34
GPS settings for Phoenix................................................................................................................................ 3–34
GPS control................................................................................................................................................. 3–34
Quick Test window.................................................................................................................................... 3–35
GPS RF test points........................................................................................................................................... 3–36
GPS failure troubleshooting flow ................................................................................................................. 3–37
GPS basic checks troubleshooting flow........................................................................................................ 3–39
Display module troubleshooting ....................................................................................................................... 3–40
General instructions for display troubleshooting....................................................................................... 3–40
Display troubleshooting ................................................................................................................................ 3–42
Display and keyboard backlight troubleshooting....................................................................................... 3–43
Backlight troubleshooting............................................................................................................................. 3–44
SMPS LED driver troubleshooting.................................................................................................................. 3–46
Current pump LED driver troubleshooting................................................................................................... 3–47
Ambient Light Sensor (ALS) troubleshooting.............................................................................................. 3–47
Backlights controlling in Phoenix................................................................................................................. 3–49
Switching display lighting on using Phoenix.............................................................................................. 3–49
Switching display lighting OFF using Phoenix ............................................................................................ 3–50
Switching S60 keyboard lighting ON using Phoenix .................................................................................. 3–50
Switching S60 keyboard lighting OFF using Phoenix ................................................................................. 3–51
Switching ITU (numeric) keyboard lighting ON using Phoenix ................................................................. 3–52
Switching ITU (numeric) keyboard lighting OFF using Phoenix................................................................ 3–52
Switching volume keys lighting ON using Phoenix .................................................................................... 3–53
Switching volume keys lighting OFF using Phoenix ................................................................................... 3–53
Switch imaging key lighting ON using Phoenix.......................................................................................... 3–54
Switching imaging key lighting OFF using Phoenix ................................................................................... 3–54
Switching shutter key lighting ON using Phoenix ...................................................................................... 3–55
RM-313
BB Troubleshooting and Tuning Guide
Issue 1 COMPANY CONFIDENTIAL Page 3 –3
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