
Troubleshooting Guide (mech)
1273-7035 Rev 3
© Sony Mobile Communications AB – Company Internal
CONTENTS
1Problem 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 Camera Key.................................................................................................. 5
1.2.2 Volume Key .................................................................................................. 6
1.2.3 On/Off Key.................................................................................................... 7
1.2.4 Back, Home, Menu and Multitask Keys ..................................................... 8
1.3 Touch Screen ....................................................................................... 9
1.3.1 Touch Screen malfunction.......................................................................... 9
1.4 Display ................................................................................................ 10
1.4.1 Graphics & Illumination ............................................................................ 10
1.5 LED/Illumination................................................................................. 11
1.5.1 Illumination ................................................................................................ 11
1.6 Speaker ............................................................................................... 13
1.6.1 Loudspeaker .............................................................................................. 13
1.7 Earphone ............................................................................................ 15
1.7.1 Earphone .................................................................................................... 15
1.8 Microphone......................................................................................... 16
1.8.1 Primary Microphone .................................................................................. 16
1.8.2 Secondary Microphone ............................................................................. 18
1.9 Vibrator ............................................................................................... 19
1.9.1 Vibrator not generating alerts .................................................................. 19
1.10 Camera................................................................................................ 20
1.10.1 Camera defects.......................................................................................... 20
1.10.2 Secondary Camera .................................................................................... 21
1.11 Flash LED ........................................................................................... 22
1.11.1 Flash LED not flashing.............................................................................. 22
1.12 Bluetooth, WLAN or GPS................................................................... 23
1.12.1 Bluetooth, WLAN or GPS connection failure .......................................... 23
1.13 NFC ..................................................................................................... 24
1.13.1 NFC connection failure ............................................................................. 24
1.14 Compass............................................................................................. 25
1.14.1 Compass fails ............................................................................................ 25
1.15 Accelerometer .................................................................................... 25
1.15.1 Accelerometer test fails ............................................................................ 25
1.16 Gyroscope .......................................................................................... 25
1.16.1 Gyroscope test fails .................................................................................. 25
1.17 Ambient Light Sensor ........................................................................ 26
1.17.1 Light Sensor malfunctions ....................................................................... 26
1.18 Proximity switch................................................................................. 27
1.18.1 Proximity switch malfunctions................................................................. 27