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Trouble Shooting Guide, Mechanical
Trouble Shooting Guide, Mechanical
Applicable for K550i, K550c & K550im
Contents
1 General ................................................................................................................................. 3
2 Power Problems.................................................................................................................... 4
3 Network/Signal Problems...................................................................................................... 5
4 Audio Problems..................................................................................................................... 6
Microphone: ................................................................................................................... 6
Receiver:........................................................................................................................ 6
Rear Speaker:................................................................................................................ 8
5 Key Problems...................................................................................................................... 10
Keyboard: .................................................................................................................... 10
Navigation Key:............................................................................................................ 10
Numeric Keyboard: ...................................................................................................... 11
Volume key: ................................................................................................................. 11
Music Player Key: ........................................................................................................ 12
Power Key: .................................................................................................................. 13
Camera Key:................................................................................................................ 14
6 Display Problems ................................................................................................................ 15
7 Illumination Problems.......................................................................................................... 17
Keyboard Illumination: ................................................................................................. 17
Navigation Key Illumination: ........................................................................................ 17
Display Illumination:..................................................................................................... 17
8 Alert Problems..................................................................................................................... 18
Vibrator: ....................................................................................................................... 18
Rear speaker: .............................................................................................................. 19
9 Charging/Capacity Problems .............................................................................................. 21
10 Rear Camera Problems ...................................................................................................... 22
11 IR Problems ........................................................................................................................ 25
12 SIM Problems...................................................................................................................... 25
13 Data Transfer Problems using a Data Cable ...................................................................... 26
14 Bluetooth Problems............................................................................................................. 26
4/000 21-1/FEA 209 544/122 A
Company Internal