Table of Contents
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CONTENTS
1
Problem Areas ................................................................................ 4
1.1 Power .................................................................................................... 4
1.1.1
Will not power on or will switch off randomly ........................................... 4
1.2 Keys ...................................................................................................... 5
1.2.1
Back/Home/Menu Keys ............................................................................... 5
1.2.2
Volume Key .................................................................................................. 5
1.2.3
On/Off Key .................................................................................................... 6
1.2.4
Camera Key .................................................................................................. 8
1.3 Touch Screen ..................................................................................... 10
1.3.1
Touch Screen malfunction ........................................................................ 10
1.4 Display ................................................................................................ 11
1.4.1
Graphics & Illumination ............................................................................ 11
1.5 LED/Illumination ................................................................................. 12
1.5.1
LED/Illumination ........................................................................................ 12
1.6 Speaker ............................................................................................... 14
1.6.1
Speaker ....................................................................................................... 14
1.7 Earphone ............................................................................................ 17
1.7.1
Earphone .................................................................................................... 17
1.8 Microphone ......................................................................................... 18
1.8.1
Main Microphone ....................................................................................... 18
1.8.2
Secondary Microphone ............................................................................. 20
1.9 Vibrator ............................................................................................... 21
1.9.1
Vibrator not generating alerts .................................................................. 21
1.10 Camera ................................................................................................ 22
1.10.1 Camera defects .......................................................................................... 22
1.10.2 Secondary Camera .................................................................................... 23
1.11 Flash LED ........................................................................................... 24
1.11.1 Flash LED not flashing .............................................................................. 24
1.12 Bluetooth and WLAN ......................................................................... 25
1.12.1 Bluetooth or WLAN connection failure .................................................... 25
1.13 GPS ..................................................................................................... 26
1.13.1 GPS malfunctions ...................................................................................... 26
1.14 Compass ............................................................................................. 27
1.14.1 Compass fails ............................................................................................ 27
1.15 Accelerometer .................................................................................... 28
1.15.1 Accelerometer test fails ............................................................................ 28
1.16 Ambient Light Sensor ........................................................................ 29
1.16.1 Ambient Light Sensor ............................................................................... 29
1.17 Proximity Switch ................................................................................ 30
1.17.1 Proximity Switch ........................................................................................ 30
1.18 Real Time Clock ................................................................................. 31
1.18.1 Real Time Clock test fails ......................................................................... 31
1273-2281 Rev2
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Sony Mobile Communications AB - Company Internal
Troubleshooting Guide (mech)
2(48)
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