User Guide

RM-11
Troubleshooting - Baseband CC Technical Documentation
Page 2 ©2004 Nokia Corporation Confidential Issue 1 02/2004
Contents Page
Troubleshooting Overview ............................................................................................ 4
Power Up and Reset .....................................................................................................6
Power Up - Power Key.............................................................................................. 8
Power Up - Charger................................................................................................... 8
Power Up - RTC Alarm ............................................................................................ 9
Power Off .....................................................................................................................9
Power Consumption and Operation Modes .................................................................9
Power .........................................................................................................................10
Clock Distribution .....................................................................................................11
RFClk (19.2 MHz Analog)...................................................................................... 11
RFConvClk (19.2 MHz Digital).............................................................................. 12
CBUSClk Interface ................................................................................................. 13
DBUS Clk Interface ................................................................................................ 13
SleepCLK (Digital) ................................................................................................. 14
SleepCLK (Analog)................................................................................................. 15
Flash Programming ....................................................................................................15
Connections to Baseband ........................................................................................ 15
Baseband Power Up ................................................................................................ 15
Flash Programming Indication................................................................................ 15
Flashing................................................................................................................... 16
Flash Programming Error Codes............................................................................. 18
Charging Operation ...................................................................................................19
Battery..................................................................................................................... 19
Charging Circuitry................................................................................................... 20
Charger Detection ......................................................................................................21
Charge Control........................................................................................................ 22
Audio .........................................................................................................................22
Display and Keyboard ...............................................................................................23
Flashlight................................................................................................................. 23
Camera .......................................................................................................................24
DC Measurements................................................................................................... 25
AC Measurements................................................................................................... 26
Timing Measurements............................................................................................. 26
Power-up Timing..................................................................................................... 27
UIF Interface Timing Measurements ...................................................................... 28
FM Radio ...................................................................................................................30
FM Radio Test......................................................................................................... 31
Accessories ................................................................................................................33
Charging.................................................................................................................. 33
Tomahawk Headset Detection ................................................................................ 34
FBus Detection........................................................................................................ 35
Accessory Detection Though ACI .......................................................................... 36
RUIM (SIM CAR) .....................................................................................................37
Test Points .................................................................................................................39
Camera Test Points.................................................................................................. 41
Top Troubleshooting Map .........................................................................................42
Phone is Totally Dead ................................................................................................44