CONTENTS
1
Problem Areas ................................................................................ 5
1.1 Power .................................................................................................... 5
1.1.1
1.2 Keys ...................................................................................................... 7
1.2.1
1.2.2
Volume Key .................................................................................................. 7
1.2.3
On/Off Key.................................................................................................... 8
1.2.4
Camera Key................................................................................................ 10
1.3 Touch Screen ..................................................................................... 12
1.3.1
1.4 Display ................................................................................................ 13
1.4.1
1.5 LED/Illumination................................................................................. 14
1.5.1
LED/Illumination ........................................................................................ 14
1.6 Speaker ............................................................................................... 15
1.6.1
Loudspeaker .............................................................................................. 15
1.7 Ear speaker......................................................................................... 17
1.7.1
Ear Speaker................................................................................................ 17
1.8 Microphone......................................................................................... 18
1.8.1
Primary Microphone .................................................................................. 18
1.8.2
Secondary Microphone ............................................................................. 19
1.9 Vibrator ............................................................................................... 20
1.9.1
1.10 Camera................................................................................................ 21
1.10.1 Main Camera .............................................................................................. 21
1.11 Flash LED ........................................................................................... 24
1.13 NFC ..................................................................................................... 26
1.14 GPS ..................................................................................................... 27
1.15 Compass............................................................................................. 28
1.15.1 Compass fails ............................................................................................ 28
1.16 Accelerometer .................................................................................... 29
1.17 Gyroscope .......................................................................................... 30
1291-4299 Rev 1
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Sony Mobile Communications AB - Company Internal
Troubleshooting Guide (mech)
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