Sony Xpreia acro S Working Instructions page 114

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 ...................................................................................................... 7
1.2.1 Menu, Home and Back Keys ....................................................................... 7
1.2.2 Camera Key .................................................................................................. 7
1.2.3 Volume Key .................................................................................................. 9
1.2.4 On/Off Key .................................................................................................. 11
1.3 Touch Screen ..................................................................................... 14
1.3.1 Touch Screen malfunction ........................................................................ 14
1.4 Display ................................................................................................ 15
1.4.1 Graphics & Illumination ............................................................................ 15
1.5 LED/Illumination ................................................................................. 16
1.5.1 LED/Illumination ........................................................................................ 16
1.5.2 Menu, Home and Back keys Illumination ................................................ 17
1.6 Speaker ............................................................................................... 19
1.6.1 Loudspeaker .............................................................................................. 19
1.7 Earphone ............................................................................................ 21
1.7.1 Earphone .................................................................................................... 21
1.8 Microphone ......................................................................................... 23
1.8.1 Microphone ................................................................................................ 23
1.8.2 Secondary Microphone ............................................................................. 24
1.9 Vibrator ............................................................................................... 26
1.9.1 Vibrator not generating alerts .................................................................. 26
1.10 Camera ................................................................................................ 27
1.10.1 Camera defects .......................................................................................... 27
1.10.2 Video Call Camera defects ........................................................................ 28
1.11 Flash LED ........................................................................................... 29
1.11.1 Flash LED not flashing .............................................................................. 29
1.12 Bluetooth and WLAN ......................................................................... 30
1.12.1 Bluetooth or WLAN connection failure .................................................... 30
1.13 NFC ..................................................................................................... 31
1.13.1 NFC malfunctions ...................................................................................... 31
1.14 GPS ..................................................................................................... 32
1.14.1 GPS malfunctions ...................................................................................... 32
1.15 Compass ............................................................................................. 33
1.15.1 Compass fails ............................................................................................ 33
1.16 Accelerometer .................................................................................... 34
1.16.1 Accelerometer test fails ............................................................................ 34
1.17 Gyroscope .......................................................................................... 35
1.17.1 Gyroscope test fails .................................................................................. 35
1.18 Ambient Light Sensor ........................................................................ 36
1267-1086 Rev 2

Sony Mobile Communications AB - Company Internal
Troubleshooting Guide (mech)
2(72)