Sony C6902, C6903, C6906, LT39h Troubleshooting Guide

1277-9814 Rev 2

Sony Mobile Communications AB – Company Internal

Troubleshooting Guide

- mechanical -

Xperia Z1

C6902, C6903, C6906, LT39h

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TM

Sony Ericsson Mobile Communications AB – Company Internal

2(63)

Troubleshooting Guide (mech)

CONTENTS

1 Problem Areas ................................................................................ 5

1.1 Power .................................................................................................... 5

1.1.1 Will not power on or will switch off randomly ........................................... 5

1.2 Keys ...................................................................................................... 7

1.2.1 Back, Menu, Home and Multitask Keys ..................................................... 7

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 Touch Screen malfunction ........................................................................ 12

1.4 Display ................................................................................................ 14

1.4.1 Graphics & Illumination ............................................................................ 14

1.5 LED/Illumination ................................................................................. 16

1.5.1 LED/Illumination ........................................................................................ 16

1.6 Speaker ............................................................................................... 17

1.6.1 Loudspeaker .............................................................................................. 17

1.7 Earphone ............................................................................................ 19

1.7.1 Ear Speaker ................................................................................................ 19

1.8 Microphone ......................................................................................... 20

1.8.1 Primary Microphone .................................................................................. 20

1.8.2 Secondary Microphone ............................................................................. 21

1.9 Vibrator ............................................................................................... 24

1.9.1 Vibrator not generating alerts .................................................................. 24

1.10 Camera ................................................................................................ 25

1.10.1 Main Camera .............................................................................................. 25

1.10.2 Video Call Camera defects ........................................................................ 26

1.11 Flash LED ........................................................................................... 27

1.11.1 Flash LED not flashing .............................................................................. 27

1.12 Bluetooth and WLAN ......................................................................... 28

1.12.1 Bluetooth or WLAN connection failure .................................................... 28

1.13 NFC ..................................................................................................... 30

1.13.1 NFC malfunctions ...................................................................................... 30

1.14 GPS ..................................................................................................... 31

1.14.1 GPS malfunctions ...................................................................................... 31

1.15 Compass ............................................................................................. 32

1.15.1 Compass fails ............................................................................................ 32

1.16 Accelerometer .................................................................................... 33

1.16.1 Accelerometer test fails ............................................................................ 33

1.17 Gyroscope .......................................................................................... 34

1.17.1 Gyroscope test fails .................................................................................. 34

1.18 Ambient Light Sensor ........................................................................ 35

1.18.1 Light Sensor malfunctions ....................................................................... 35

1277-9814 Rev 2

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