RH-34
Troubleshooting - Baseband
CCS Technical Documentation
Page 2
©
2003
Nokia Corporation Confidential
Issue 1 11/2003
Contents
Page No
Power up with PWR key ........................................................................................... 8
Power up when charger is connected ........................................................................ 8
RTC alarm power up ................................................................................................. 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)................................................................................................. 14
Connections to Baseband ........................................................................................ 15
Baseband Power Up ................................................................................................ 15
Flash Programming Indication ................................................................................ 15
Flashing ................................................................................................................... 16
Battery ..................................................................................................................... 17
Charging circuitry ................................................................................................... 18
Audio .........................................................................................................................20
Display and Keyboard ...............................................................................................21
FM Radio ...................................................................................................................21
Charging .................................................................................................................. 26
Tomahawk headset detection .................................................................................. 27
FBus detection......................................................................................................... 28
Accessory detection though ACI............................................................................. 29
RUIM (SIM CAR) .....................................................................................................30
Test Points .................................................................................................................31
Top troubleshooting map ...........................................................................................34
Phone is totally dead ..................................................................................................36
Flash programming doesn’t work ..............................................................................37
Phone is jammed ........................................................................................................39
Power doesn’t stay on or the phone is jammed .........................................................40
Charger faults .............................................................................................................41
Audio faults ...............................................................................................................42
Earpiece ................................................................................................................... 42
Microphone ............................................................................................................. 43
Vibra........................................................................................................................ 44