Table Of Contents - Nokia 6275 Baseband Description And Troubleshooting

6275/6275i (RM-154)
Baseband Description and Troubleshooting
Contents
Introduction ..................................................................................................................................................... 4
Baseband Components.................................................................................................................................. 5
Power-Up Sequence ................................................................................................................................... 7
FM Radio ........................................................................................................................................................... 9
FM Radio Test ............................................................................................................................................... 9
FM Radio Troubleshooting ........................................................................................................................ 9
FM Radio Control - Phoenix Interface ................................................................................................10
GPS................................................................................................................................................................... 12
GPS Troubleshooting ................................................................................................................................13
GPS Phoenix Interface ..............................................................................................................................14
Bluetooth ....................................................................................................................................................... 15
Bluetooth Troubleshooting .....................................................................................................................15
Bluetooth Phoenix .....................................................................................................................................16
SIM Card......................................................................................................................................................... 17
SIM Card Troubleshooting ......................................................................................................................17
SIM Card Phoenix Interface ....................................................................................................................19
Camera............................................................................................................................................................ 20
Camera Troubleshooting ..........................................................................................................................20
Camera Phoenix Interface .......................................................................................................................21
MicroSD.......................................................................................................................................................... 22
IR ...................................................................................................................................................................... 23
IR Troubleshooting ....................................................................................................................................23
IR Phoenix Interface .................................................................................................................................24
USB .................................................................................................................................................................. 25
USB Troubleshooting ................................................................................................................................25
USB Phoenix Interface .............................................................................................................................26
Display ............................................................................................................................................................ 27
Display Troubleshooting ..........................................................................................................................27
Display and Keypad Backlight Troubleshooting ................................................................................28
Display Phoenix Interface .......................................................................................................................29
Keypad Backlight Troubleshooting .......................................................................................................29
Audio ............................................................................................................................................................... 31
Audio Troubleshooting .............................................................................................................................31
Audio Phoenix Interface ..........................................................................................................................32
System Connector........................................................................................................................................ 33
Accessory Detection .................................................................................................................................34
Flash Programming ..................................................................................................................................... 35
Flashing Tool ...............................................................................................................................................35
Flashing Phoenix Interface........................................................................................................................ 35
Battery (Lynx) Interface Circuit ............................................................................................................... 37
Charging......................................................................................................................................................... 38
Alignment ...................................................................................................................................................... 39
AMS Baseband Calibration...................................................................................................................... 40
Final UI Check............................................................................................................................................... 41
Problems During Flash and Alignment .................................................................................................. 42
No Communication - Flash .....................................................................................................................42
No Communication - Alignment ...........................................................................................................42
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Issue 1 - September 2006