
RM-11
Troubleshooting - Baseband CC Technical Documentation
Page 2 ©2005 Nokia Corporation Confidential Issue 2 09/2005
Contents Page
Introduction ..................................................................................................................................................... 3
Power Up and Reset....................................................................................................................................... 6
Power Key ......................................................................................................................................................8
Charger is Connected .................................................................................................................................8
RTC Alarm ......................................................................................................................................................9
Power Off ....................................................................................................................................................... 10
Power Consumption and Operation Modes .......................................................................................10
Power ............................................................................................................................................................11
Clock Distribution........................................................................................................................................ 13
RFClk (19.2 MHz Analog) ........................................................................................................................13
RFConvClk (19.2 MHz digital) ................................................................................................................14
CBUSClk Interface .....................................................................................................................................15
DBUS Clk Interface ....................................................................................................................................16
SleepCLK (Digital) ......................................................................................................................................17
SleepCLK (Analog) .....................................................................................................................................18
Flash Programming Error Codes .............................................................................................................. 19
Charging Operation..................................................................................................................................... 21
Battery ..........................................................................................................................................................21
Charging Circuitry .....................................................................................................................................21
Charger Detection .....................................................................................................................................22
Charge Control ...........................................................................................................................................23
Audio .............................................................................................................................................................23
Display and Keyboard ...............................................................................................................................24
FM Radio ........................................................................................................................................................ 25
FM Radio Test .............................................................................................................................................26
Input Signals to FM Radio................................................................................................................... 26
FM Radio Testing with Pop-portTM Headset .......................................................................................27
FM Radio Testing with UHJ Headset ....................................................................................................27
Accessories .................................................................................................................................................... 29
Charging .......................................................................................................................................................30
Pop-portTM Headset Detection ................................................................................................................31
FBus Detection ...........................................................................................................................................31
Accessory Detection Though ACI ..........................................................................................................32
RUIM (SIM CAR)........................................................................................................................................... 34
Test Points...................................................................................................................................................... 35
Troubleshooting............................................................................................................................................ 37
Mobile Terminal is Dead ..........................................................................................................................38
Flash Programming Does Not Work .....................................................................................................39
Power Does Not Stay on or the Mobile Terminal is Jammed ........................................................41
Charger Faults ............................................................................................................................................43
Audio Faults ................................................................................................................................................44
Earpiece .................................................................................................................................................... 44
Microphone ............................................................................................................................................. 45
Vibra .......................................................................................................................................................... 46
Display Faults ..............................................................................................................................................47
Keypad Faults .............................................................................................................................................49
Power Key ................................................................................................................................................ 49