Table Of Contents - Nokia 1265 Description And Troubleshooting

1265 (RH-103)
Baseband Description and Troubleshooting
Contents
Introduction............................................................................................................... 3
Baseband and Power Management Architecture .................................................... 4
Power Up and Reset ................................................................................................ 5
Power Up .......................................................................................................6
Power Off.......................................................................................................7
Power Consumption and Operation Modes ...................................................7
Power Distribution .................................................................................................... 8
Clock Distribution...................................................................................................... 9
System Clocks .............................................................................................10
TCXO........................................................................................................... 11
SLEEP Crystal Circuit for 32.768 kHz..........................................................12
SBI CLK Interface ........................................................................................14
Flash Programming Error Description.................................................................... 14
Charging Operation ................................................................................................ 15
Battery .........................................................................................................15
Charging Circuitry ........................................................................................15
Charger Detection........................................................................................16
Charge Control ............................................................................................17
Audio ...................................................................................................................... 17
Display and Keyboard ............................................................................................ 18
Accessories ............................................................................................................ 18
Charging ......................................................................................................19
Headset Detection .......................................................................................19
RUIM CARD ........................................................................................................... 19
Test Points - Top ................................................................................................... 21
Test Points - Bottom .............................................................................................. 24
Troubleshooting...................................................................................................... 26
Mobile Terminal is Dead...............................................................................27
Flash Faults .................................................................................................28
Power Does Not Stay ON or the Mobile Terminal is Jammed ......................29
Charger Faults .............................................................................................30
Audio Faults.................................................................................................31
Display Faults ..............................................................................................35
Keypad Faults ..............................................................................................36
Keypad Faults ..............................................................................................37
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Issue 1 04/2007