Sony Xperia Z3 User manual

1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
Troubleshooting Guide
- mechanical -
Xperia Z3TM
D6603,D6616,D6643,D6653

Troubleshooting Guide (mech)
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
2(59)
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..................................................................................15
1.5.1LED/Illumination ........................................................................................15
1.6Speaker ................................................................................................16
1.6.1Loudspeaker ..............................................................................................16
1.7Earphone..............................................................................................18
1.7.1Ear Speaker................................................................................................18
1.8Microphone.......................................................................................... 19
1.8.1Primary Microphone..................................................................................19
1.8.1Secondary Microphone.............................................................................21
1.9Vibrator.................................................................................................22
1.9.1Vibrator not generating alerts ..................................................................22
1.10Camera.................................................................................................23
1.10.1Main Camera ..............................................................................................23
1.10.2Video Call Camera defects........................................................................24
1.11Flash LED.............................................................................................25
1.11.1Flash LED not flashing..............................................................................25
1.12Bluetooth and WLAN ..........................................................................26
1.12.1Bluetooth or WLAN connection failure....................................................26
1.13NFC.......................................................................................................27
1.13.1NFC malfunctions......................................................................................27
1.14GPS....................................................................................................... 28
1.14.1GPS malfunctions......................................................................................28
1.15Compass..............................................................................................29
1.15.1Compass fails ............................................................................................29
1.16Accelerometer .....................................................................................30
1.16.1Accelerometer test fails............................................................................30
1.17Gyroscope............................................................................................31
1.17.1Gyroscope test fails ..................................................................................31
1.18Ambient Light Sensor.........................................................................32
1.18.1Light Sensor malfunctions .......................................................................32

Troubleshooting Guide (mech)
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
3(59)
1.19Proximity Switch ................................................................................. 33
1.19.1Proximity switch malfunctions.................................................................33
1.20Pressure Sensor..................................................................................34
1.20.1Pressure Sensor test fails.........................................................................34
1.21Water Resistance ................................................................................35
1.21.1Water Resistance fails...............................................................................35
1.22Real Time Clock...................................................................................41
1.22.1Real time clock test fails...........................................................................41
1.23Total call time ......................................................................................42
1.23.1Total call time fails.....................................................................................42
1.24External Memory .................................................................................43
1.24.1Memory Card not detected .......................................................................43
1.25Security................................................................................................44
1.25.1Security fails..............................................................................................44
1.26FM Radio.............................................................................................. 45
1.26.1No/Poor FM Radio reception ....................................................................45
1.27Battery Health test...............................................................................46
1.27.1Battery Health test fails.............................................................................46
1.28Flip Slider Counter .............................................................................. 47
1.28.1Flip Slider Counter fails ............................................................................47
1.29Verify Certificates................................................................................48
1.29.1Verify Certificates fails..............................................................................48
1.30IrDA Test ..............................................................................................49
1.30.1IrDA test fails .............................................................................................49
1.31TV-Out Test.......................................................................................... 50
1.31.1TV-Out test fails.........................................................................................50
1.32Network & Signal.................................................................................51
1.32.1No/Poor signal ...........................................................................................51
1.33SIM........................................................................................................54
1.33.1SIM not detected........................................................................................54
1.33.2Incorrect UIM or SIM indicated.................................................................54
1.34Charging............................................................................................... 55
1.34.1Battery will not charge by USB connector..............................................55
1.34.2Battery will not charge by charge pad.....................................................55
replace the Magnetic connector............................................................................56
1.35Audio Jack test....................................................................................57
1.35.1Connection to headset fails......................................................................57
1.36Data Communication ..........................................................................58
1.36.1Data transfer via System Connector fails................................................58
2Revision History...........................................................................59

Troubleshooting Guide (mech)
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
4(59)
Always firstly disconnect the Embedded Battery BtB connector to cut off power supply when the
Rear Panel is disassembled.
Always finally connect the Embedded Battery BtB connector before the Rear Panel is
reassembled.

Troubleshooting Guide (mech)
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
5(59)
1 Problem Areas
1.1 Power
1.1.1 Will not power on or will switch
off randomly
Check:
Check whether the phone vibrates by pressing the on/off
key.
Action:
1. If activation of the vibrator is detected, refer to section 1.4
‘Display’.
2. If NO activation of the Vibrator is detected, check that the
battery is charging when connected to a charger.
Follow Test Instruction - mechanical chapter 2.3.4
(Charging via USB and Easy Charger), Diagnostic
Battery / Charging status.
Check:
Inspect the on/off key.
Action:
Refer to section 1.2.3 ‘On/Off Key’.
Check:
Inspect the BtB connector of the Embedded Battery to Main
PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean the both sides of the BtB
connector.

Troubleshooting Guide (mech)
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
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Problem Areas: Power
3. If the BtB connector, the FPC or the Embedded Battery is
damaged – replace the Embedded Battery.
4. Replace Main PBA.

Troubleshooting Guide (mech)
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
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Problem Areas
1.2 Keys
1.2.1 Back, Menu, Home and
Multitask Keys
Action:
1. Refer to section 1.3 ‘Touch Screen’.
2. Replace Main PBA.
1.2.2 Volume Key
Check:
Inspect the external area of the Key Volume.
Action:
If dirty – clean it.
Check:
Inspect the BtB connector of Relay FPC to Main PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the Relay FPC is damaged – replace it.
4. Replace Main PBA.

Troubleshooting Guide (mech)
1288-9441 Rev 2
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Problem Areas: Keys
Check:
Inspect the rubber of the Volume Key (a) and Volume Key
switch (b).
Action:
1. If dirty – clean them.
2. If the rubber of the Volume Key is damaged – replace the
Front Assy.
3. If the volume key switch is damaged – replace the Relay
FPC.
1.2.3 On/Off Key
Check:
Inspect the external area of the On/Off Key.
Action:
If dirty – clean it.

Troubleshooting Guide (mech)
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
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Problem Areas: Keys
Check:
Inspect the BtB connector of Relay FPC to Main PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the Relay FPC is damaged – replace it.
4. Replace Main PBA.
Check:
Inspect the rubber of the On/Off Key (a) and On/Off Key
switch (b).
Action:
1. If dirty – clean them.
2. If the rubber of the On/Off Key is damaged – replace the
Front Assy.

Troubleshooting Guide (mech)
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
10(59)
Problem Areas: Keys
3. If the On/Off key switch is damaged – replace the Relay
FPC.
1.2.4 Camera Key
Check:
Inspect the external area of the Camera Key.
Action:
If dirty – clean it.
Check:
Inspect the BtB connector of Relay FPC to Main PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the Relay FPC is damaged – replace it.
4. Replace Main PBA.

Troubleshooting Guide (mech)
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
11(59)
Problem Areas: Keys
Check:
Inspect the rubber of the Camera Key (a) and Camera Key
switch (b).
Action:
1. If dirty – clean them.
2. If the rubber of the Camera Key is damaged – replace the
Front Assy.
3. If the On/Off key switch is damaged – replace the Relay
FPC.

Troubleshooting Guide (mech)
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
12(59)
Problem Areas
1.3 Touch Screen
1.3.1 Touch Screen malfunction
Check:
Inspect the touch screen of the Front Assy.
Action:
1. If dirty – clean it.
2. If scratched or damaged – replace the Front Assy.
Check:
Inspect the BtB connector of Relay FPC to Main PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the Relay FPC is damaged – replace it.

Troubleshooting Guide (mech)
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
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Problem Areas
Check:
Inspect the BtB connector of Relay FPC to Front Assy.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the Relay FPC is damaged – replace it.
Check:
Inspect the BtB connector of FPC on Front Assy.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the FPC is damaged – replace Front Assy.
4. Replace Main PBA.

Troubleshooting Guide (mech)
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
14(59)
Problem Areas
1.4 Display
1.4.1 Graphics & Illumination
Check:
Check whether the phone vibrates after the on/off key has
been pressed.
Action:
If the activation described above is not detected, refer to
section 1.1 ‘Power’.
2. If scratched or damaged – replace the Front Assy.
Check:
Inspect the BtB connector of Relay FPC to Main PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the Relay FPC is damaged – replace it.

Troubleshooting Guide (mech)
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
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Problem Areas
1.5 LED/Illumination
1.5.1 LED/Illumination
Check:
Inspect external port of LED on the Front Assy.
Action:
1. If dirty – clean it.
Check:
Inspect the Lightguide 3 LED.
Action:
1. If not properly assembled – reassemble it.
2. If dirty – clean it.
3. If damaged – replace it.
Check:
Inspect the LED on Main PBA.
Action:
1. If dirty or oxidized – clean it.
2. Replace Main PBA

Troubleshooting Guide (mech)
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
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Problem Areas
1.6 Speaker
1.6.1 Loudspeaker
Check:
Inspect the Loudspeaker external port on the Front Assy.
Action:
1. If clogged – clean it.
2. If damaged – replace the Front Assy.
Check:
Inspect the contact pads on the Relay FPC and the contact
pins on the Loudspeaker B. 
Action:
1. If dirty – clean them.
2. If the contact pins of the Loudspeaker B or the
Loudspeaker B are damaged – replace it.

Troubleshooting Guide (mech)
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
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Problem Areas: Speaker
3. If the contact pads on the Relay FPC are damaged -
replace the Relay FPC.
Check:
Inspect the BtB connector of Relay FPC to Main PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the Relay FPC is damaged – replace it.
4. Replace Main PBA.

Troubleshooting Guide (mech)
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
18(59)
Problem Areas
1.7 Earphone
1.7.1 Ear Speaker
Check:
Inspect the external port of Ear Speaker on the Front Assy.
Action:
1. If clogged – clean it.
Check:
Inspect the contact pads on the Main PBA and the contact
pins on the Loudspeaker. 
Action:
1. If dirty – clean them.
2. If the contact pins of the Loudspeaker or the Loudspeaker
are damaged – replace it.
3. Replace Main PBA.

Troubleshooting Guide (mech)
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
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Problem Areas
1.8 Microphone
1.8.1 Primary Microphone
Check:
Inspect the Primary Microphone’s external port on the Front
Assy.
Action:
1. If clogged – clean it.
Check:
Inspect the Holder Mic sub assembly on the Relay FPC.
Action:
1. If clogged – clean it.
3. If the Holder Mic sub assembly is damaged – replace it.

Troubleshooting Guide (mech)
1288-9441 Rev 2
Sony Mobile Communications AB – Company Internal
20(59)
Problem Areas: Microphone
Check:
Inspect the BtB connector of Relay FPC to Front Assy.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the Relay FPC is damaged – replace it.
Check:
Inspect the BtB connector of Relay FPC to Main PBA.
Action:
1. If not properly connected – disconnect and reconnect it.
2. If dirty or oxidized – clean it.
3. If the Relay FPC is damaged – replace it.
4. Replace Main PBA.