User Guide

Table of Contents
Baseband main troubleshooting..........................................................................................................................3–5
General power checking ........................................................................................................................................3–6
Backup battery troubleshooting...........................................................................................................................3–7
Dead or jammed device troubleshooting............................................................................................................3–9
Keyboard troubleshooting ................................................................................................................................. 3–10
Hall sensor troubleshooting............................................................................................................................... 3–12
General power checking troubleshooting ........................................................................................................ 3–13
USB troubleshooting ........................................................................................................................................... 3–14
SIM card troubleshooting ................................................................................................................................... 3–15
MicroSD card troubleshooting............................................................................................................................ 3–16
Combo memory troubleshooting ...................................................................................................................... 3–18
Flash programming troubleshooting................................................................................................................ 3–19
USB charging troubleshooting........................................................................................................................... 3–22
Clocking troubleshooting ................................................................................................................................... 3–23
Power key troubleshooting................................................................................................................................ 3–24
Accelerometer troubleshooting......................................................................................................................... 3–25
Magnetometer troubleshooting ........................................................................................................................ 3–26
Charging troubleshooting .................................................................................................................................. 3–27
User interface troubleshooting.......................................................................................................................... 3–28
Display Troubleshooting..................................................................................................................................... 3–29
Display Troubleshooting................................................................................................................................ 3–29
Illumination troubleshooting ....................................................................................................................... 3–30
LED driver troubleshooting ........................................................................................................................... 3–33
Audio Troubleshooting....................................................................................................................................... 3–35
Audio troubleshooting test instructions...................................................................................................... 3–35
External earpiece troubleshooting............................................................................................................... 3–38
External microphone troubleshooting ........................................................................................................ 3–39
Internal earpiece troubleshooting .............................................................................................................. 3–40
Internal handsfree speaker troubleshooting ............................................................................................. 3–41
Internal microphone troubleshooting ........................................................................................................ 3–42
Vibra troubleshooting.................................................................................................................................... 3–43
ALS Technical Description and Troubleshooting.............................................................................................. 3–44
Ambient Light Sensor..................................................................................................................................... 3–44
ALS troubleshooting....................................................................................................................................... 3–44
Re-tuning ALS.................................................................................................................................................. 3–45
Bluetooth and FM Radio Troubleshooting........................................................................................................ 3–47
Introduction to Bluetooth/FM radio troubleshooting................................................................................ 3–47
Bluetooth BER test.......................................................................................................................................... 3–49
Bluetooth and FM radio self tests in Phoenix.............................................................................................. 3–51
FM radio testing.............................................................................................................................................. 3–51
GPS Troubleshooting........................................................................................................................................... 3–52
GPS components............................................................................................................................................. 3–52
GPS Settings for Phoenix ............................................................................................................................... 3–52
GPS control................................................................................................................................................. 3–52
Testing GPS ................................................................................................................................................ 3–53
WLAN Troubleshooting....................................................................................................................................... 3–54
WLAN functional description......................................................................................................................... 3–54
WLAN settings for Phoenix............................................................................................................................ 3–55
WLAN functional tests.................................................................................................................................... 3–57
WLAN auto tuning.......................................................................................................................................... 3–59
RM-465
BB Troubleshooting
Issue 1 COMPANY CONFIDENTIAL Page 3 –3
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