Nokia 6255 Description And Troubleshooting page 3

Nokia Customer Care
Secondary Display Test Points.................................................................................................................. 45
GPS Module .................................................................................................................................................48
Troubleshooting............................................................................................................................................ 49
Mobile Terminal is Totally Dead ............................................................................................................50
Flash Programming Does Not Work .....................................................................................................51
Power Does Not Stay on or the Mobile Terminal is Jammed ........................................................53
Charger Faults ............................................................................................................................................55
Audio Faults ................................................................................................................................................56
Earpiece .................................................................................................................................................... 56
Microphone ............................................................................................................................................. 57
IHF.............................................................................................................................................................. 58
Vibra .......................................................................................................................................................... 59
Display Faults ..............................................................................................................................................60
Main Display............................................................................................................................................ 60
Secondary Display.................................................................................................................................. 62
Keypad Faults .............................................................................................................................................63
Power Key ................................................................................................................................................ 63
UI Modules............................................................................................................................................... 64
EL Panel and Driver ............................................................................................................................... 65
USB ................................................................................................................................................................66
MMC ..............................................................................................................................................................70
FM Radio ......................................................................................................................................................71
Camera .........................................................................................................................................................73
Bluetooth .....................................................................................................................................................73
SIM ................................................................................................................................................................73
GPS ................................................................................................................................................................75
Issue 2 05/2005
©2005 Nokia Corporation
6255/6255i6256/6256i (RM-19)
Baseband Description and Troubleshooting
Company Confidential Page 3