User Guide

Table of Contents
Baseband troubleshooting....................................................................................................................................6–5
Dead or jammed device troubleshooting............................................................................................................6–8
General power checking troubleshooting - CMT .................................................................................................6–9
General power checking troubleshooting - application processor................................................................ 6–11
CMT clocking troubleshooting............................................................................................................................ 6–13
Application processor troubleshooting ............................................................................................................ 6–14
Charging troubleshooting .................................................................................................................................. 6–15
Battery current measuring fault troubleshooting ........................................................................................... 6–16
Flash programming fault troubleshooting....................................................................................................... 6–17
CMT SDRAM memory troubleshooting............................................................................................................... 6–19
CMT NOR flash fault troubleshooting................................................................................................................. 6–20
Application processor memory troubleshooting............................................................................................. 6–21
Power key troubleshooting................................................................................................................................ 6–22
USB interface troubleshooting........................................................................................................................... 6–23
SIM card troubleshooting ................................................................................................................................... 6–25
SD card troubleshooting..................................................................................................................................... 6–27
IrDA troubleshooting .......................................................................................................................................... 6–29
Display controller troubleshooting.................................................................................................................... 6–31
WLAN interface troubleshooting ....................................................................................................................... 6–32
Keyboard troubleshooting ................................................................................................................................. 6–33
FM radio troubleshooting................................................................................................................................... 6–35
Certificate restoring for BB5 products............................................................................................................... 6–36
Display module troubleshooting ....................................................................................................................... 6–41
General instructions for display troubleshooting....................................................................................... 6–41
Main display and graphics accelerator troubleshooting............................................................................ 6–42
Sub display troubleshooting......................................................................................................................... 6–43
Keyboard backlight troubleshooting ........................................................................................................... 6–44
Main display LED driver troubleshooting..................................................................................................... 6–46
Sub display LED driver troubleshooting....................................................................................................... 6–49
Hinge sensor troubleshooting ...................................................................................................................... 6–50
Bluetooth troubleshooting................................................................................................................................. 6–51
Introduction to Bluetooth troubleshooting ................................................................................................ 6–51
Bluetooth settings for Phoenix..................................................................................................................... 6–51
Bluetooth self tests in Phoenix..................................................................................................................... 6–52
Bluetooth troubleshooting ........................................................................................................................... 6–54
Audio troubleshooting........................................................................................................................................ 6–55
Audio troubleshooting test instructions...................................................................................................... 6–55
Internal earpiece troubleshooting ............................................................................................................... 6–59
Internal microphone troubleshooting......................................................................................................... 6–60
IHF troubleshooting....................................................................................................................................... 6–61
External microphone troubleshooting......................................................................................................... 6–62
External earpiece troubleshooting............................................................................................................... 6–63
Accessory detection troubleshooting................................................................................................................ 6–64
Baseband manual tuning guide......................................................................................................................... 6–65
Energy management calibration.................................................................................................................. 6–65
List of Tables
Table 10 Display module troubleshooting cases ............................................................................................. 6–41
Table 11 Pixel defects ......................................................................................................................................... 6–41
RM-100
BB Troubleshooting and Manual Tuning Guide Nokia Customer Care
Issue 2 COMPANY CONFIDENTIAL Page 6 –3
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