Sony Xperia Z C6602 User manual

1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
Troubleshooting Guide
- mechanical -
C6602, C6603, L36h
XperiaTMZ

Trouble Shooting Guide (mech)
1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
2(44)
CONTENTS
1Problem Areas ................................................................................ 4
1.1 Power .................................................................................................... 4
1.1.1 Will not power on or will switch off randomly........................................... 4
1.2 Keys ...................................................................................................... 6
1.2.1 Back, Home, Menu and Multitask Keys ..................................................... 6
1.2.2 Volume Key .................................................................................................. 6
1.3 Touch Screen ....................................................................................... 8
1.3.1 Touch Screen malfunction.......................................................................... 8
1.4 Display .................................................................................................. 9
1.4.1 Graphics & Illumination .............................................................................. 9
1.5 LED/Illumination................................................................................. 11
1.5.1 LED ............................................................................................................. 11
1.5.2 Illumination ................................................................................................ 11
1.6 Speaker ............................................................................................... 12
1.6.1 Loudspeaker .............................................................................................. 12
1.7 Earphone ............................................................................................ 14
1.7.1 Earspeaker ................................................................................................. 14
1.8 Microphone......................................................................................... 15
1.8.1 Microphone ................................................................................................ 15
1.8.2 Secondary Microphone ............................................................................. 16
1.9 Vibrator ............................................................................................... 17
1.10 Camera................................................................................................ 18
1.10.1 Camera defects.......................................................................................... 18
1.10.2 Secondary Camera .................................................................................... 19
1.11 Flash LED ........................................................................................... 20
1.11.1 Flash LED not flashing.............................................................................. 20
1.12 Bluetooth. ........................................................................................... 21
1.12.1 Bluetooth connection failure .................................................................... 21
1.13 WLAN .................................................................................................. 22
1.13.1 WLAN connection failure .......................................................................... 22
1.14 NFC ..................................................................................................... 23
1.14.1 NFC malfunctions...................................................................................... 23
1.15 GPS ..................................................................................................... 24
1.15.1 GPS malfunctions...................................................................................... 24
1.16 Compass............................................................................................. 25
1.16.1 Compass fails ............................................................................................ 25
1.17 Accelerometer .................................................................................... 25
1.17.1 Accelerometer test fails ............................................................................ 25
1.18 Gyroscope .......................................................................................... 25
1.18.1 Gyroscope test fails .................................................................................. 25
1.19 Ambient Light Sensor ........................................................................ 26
1.19.1 Light Sensor malfunctions ....................................................................... 26

Trouble Shooting Guide (mech)
1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
3(44)
1.20 Proximity Switch ................................................................................ 27
1.20.1 Proximity switch malfunctions................................................................. 27
1.21 Water Resistance ............................................................................... 28
1.21.1 Water Resistancce fails............................................................................. 28
1.22 Real Time Clock ................................................................................. 32
1.22.1 Real Time Clock test fails ......................................................................... 32
1.23 Total call time ..................................................................................... 32
1.23.1 Total call time fails .................................................................................... 32
1.24 Storage................................................................................................ 33
1.24.1 Storage not detected................................................................................. 33
1.25 Security............................................................................................... 34
1.25.1 Security fails .............................................................................................. 34
1.26 FM Radio............................................................................................. 35
1.26.1 No/Poor FM Radio reception .................................................................... 35
1.27 TV-Out Test......................................................................................... 36
1.27.1 TV-Out test fails ......................................................................................... 36
1.28 Audio Jack.......................................................................................... 37
1.28.1 Sound or microphone problem with accessory connected to Audio
Jack............................................................................................................. 37
1.29 SIM ...................................................................................................... 38
1.29.1 SIM not detected........................................................................................ 38
1.29.2 Incorrect SIM indicated ............................................................................. 38
1.30 Charging (USB and Easy charger) .................................................... 39
1.30.1 Battery will not charge .............................................................................. 39
1.31 Data Communication ......................................................................... 40
1.31.1 Data transfer via System Connector fails................................................ 40
1.32 Network & Signal................................................................................ 41
1.32.1 No/Poor signal ........................................................................................... 41
2Revision History ........................................................................... 44
•You shall always after verifying the problem, start
the trouble shooting with the Emma Service
“Refurbish”.
•Software release information about improvements
are found: www.sonymobile.com/Update

Trouble Shooting Guide (mech)
1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
4(44)
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 Power
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 1269-3536 Test Instruction - mechanical chapter
2.3.2 (Charging via USB and Easy Charger), Diagnostic
Battery / Charging status.
Check:
Inspect the power key
Action:
1. If dirty – clean it.
2. If the Power key is damaged – replace the Front
Assembly.
Check:
Inspect the BtB connector and key switch on the FPC
Assembly Relay FPC, the BtB connector on the Battery
2330.0 mAh and the two BtB connectors on the Main PBA.
Action:
1. Remove and reconnect Battery 2330.0 mAh BtB
connector, test charging and then test powering on the unit.
2. If not properly connected – disconnect and reconnect
connectors.
3. If dirty or oxidized – clean connectors.

Trouble Shooting Guide (mech)
1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
5(44)
Problem Areas: Power
4. If the key switch, BtB connector or the FPC Assembly
Relay FPC is damaged – replace FPC Assembly Relay
FPC.
5. If Battery 2330.0 mAh or its BtB contact is damaged –
replace Battery 2330.0 mAh.
5. Replace Main PBA.

Trouble Shooting Guide (mech)
1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
6(44)
Problem Areas: Keys
1.2 Keys
1.2.1 Back, Home, Menu and
Multitask Keys
Action:
1. Refer to the section 1.3 ‘Touch Screen’.
1.2.2 Volume Key
Check:
Inspect the external area of the Keys.
Action:
If dirty – clean it.
Check:
Inspect the volume keys on Front Assembly.
Action:
1. If dirty – clean them.
2. If the keys are damaged – Front Assembly.
Check:
Inspect the BtB connector and key switches on the FPC
Assembly Relay FPC and the BtB connector on the Main
PBA.
Action:
1. If not properly connected – disconnect and reconnect
connector.
2. If dirty or oxidized – clean it.

Trouble Shooting Guide (mech)
1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
7(44)
Problem Areas: Keys
3. If the key switches, the BtB connector or the FPC
Assembly Relay FPC is damaged – replace the FPC
Assembly Relay FPC.
4. Replace Main PBA.

Trouble Shooting Guide (mech)
1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
8(44)
Problem Areas
1.3 Touch Screen
1.3.1 Touch Screen malfunction
Check:
Inspect the touch screen.
Action:
If dirty – clean it.
Check:
Inspect the BtB connector on the Front Assembly and the
BtB connector on the Main PBA.
Action:
1. If not properly connected – disconnect and reconnect
connector.
2. If dirty or oxidized – clean it.
3. If BtB connector on Front Assembly is damaged – replace
the Front Assembly.
4. Replace Main PBA.

Trouble Shooting Guide (mech)
1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
9(44)
Problem Areas
1.4 Display
1.4.1 Graphics & Illumination
Check:
Check whether the phone vibrates after the Power key has
been pressed.
Action:
1. If the phone does not vibrate, refer to section 1.1 ‘Power’.
2. If the phone vibrates, perform force shut down (Press
Power key + Volume Up for 10sec) and try start the phone
again with Power key.
3. Do a “Refurbish” in Emma (Secure that the battery is
charged!, see 1269-3536 Test Instruction - mechanical
chapter 2.3.2 (Charging via USB and Easy Charger).
Check:
Inspect the BtB connector on the Front Assembly and the
BtB connector on the Main PBA.
Action:
1. Remove and reconnect Front Assembly connector, test
charging and then test powering on the unit.
2. If not properly connected – disconnect and reconnect
connector.
3. If dirty or oxidized – clean connector.
3. If BtB connector on Front Assembly is damaged –
replace the Front Assembly

Trouble Shooting Guide (mech)
1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
10(44)
Problem Areas: Display
4. Replace Main PBA.

Trouble Shooting Guide (mech)
1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
11(44)
Problem Areas:
1.5 LED/Illumination
1.5.1 LED
Check:
Inspect the external window area of the Notification LED
(RGB) on the Front Assembly.
Action:
1. If dirty – clean it.
2. If the external window area is damaged – replace the
Front Assembly.
Check:
Inspect the connector and Notification LED on the FPC
Assembly Top RoW.
Action:
1. If not properly connected- disconnect and reconnect
connector.
2. If FPC Assembly Top RoW dirty or clogged – clean it.
3. If FPC Assembly Top RoW is damaged – replace it
4. Replace Main PBA.
1.5.2 Illumination
Check:
Inspect the BtB connector on the Front Assembly and the
BtB connector on the Main PBA.
Action:
1. If not properly connected – disconnect and reconnect
connector.
2. If dirty or oxidized – clean connector.
3. If FPC Assembly Relay FPC is damaged – replace it.
4. Replace Main PBA

Trouble Shooting Guide (mech)
1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
12(44)
Problem Areas
1.6 Speaker
1.6.1 Loudspeaker
Check:
Inspect the loudspeaker’s external port on the right panel.
Action:
1. If the loudspeaker’s external port is clogged – clean it.
2. If the loudspeaker’s external port is damaged – replace
right panel.
Check:
Inspect the contact pads and BtB connector on the FPC
Assembly Relay FPC and the BtB connector on the Main
PBA.
Action:
1. If dirty or oxidized – clean them.
2. If not properly connected- disconnect and reconnect
connector.
Check:
Inspect the loudspeaker’s sealings on the Ant Main Flex
RoW.
Action:
1. If dirty – clean them.
2. If the the Ant Main Flex RoW is damaged – replace the
Ant Main Flex RoW.
Check:
Inspect the contacts on the Loudspeaker 15.0 Rectangular.
Action:
1. If dirty or oxidized – clean them.
2. If contacts are damaged – replace the Loudspeaker 15.0
Rectangular.

Trouble Shooting Guide (mech)
1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
13(44)
Problem Areas: Speaker
Check:
Inspect the contact pads and BtB connector on the FPC
Assembly Relay FPC.
Action:
1. If dirty – clean them.
2. If the FPC Assembly Relay FPC is damaged – replace it.
4. Replace Main PBA.

Trouble Shooting Guide (mech)
1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
14(44)
Problem Areas
1.7 Earphone
1.7.1 Earspeaker
Check:
Inspect the Earspeaker’s external port on the Front
assembly and if there is no sound at all the Audio Jack.
Action:
1. If clogged – clean it.
2. If the port is damaged – replace the Front Assembly
3. If not prompted to insert headphones when you start FM
radio without headphones - clean Audio Jack or replace
FPC Assembly Top RoW.
Check:
Inspect the pins of Ear Speaker 12.0 Rectangular_WR
Action:
1. If dirty – clean them.
2. If the pins are damaged – replace the Ear Speaker 12.0
Rectangular_WR.
Check:
Inspect the Earspeaker’s connector pads on the Main PBA.
Action:
1. If the pads are dirty/oxidized – clean them.
2. Inspect
3. Replace Main PBA.

Trouble Shooting Guide (mech)
1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
15(44)
Problem Areas
1.8 Microphone
1.8.1 Microphone
Check:
Inspect the Microphone’s external port on the Front
Assembly.
Action:
1. If clogged – clean the port.
2. If the port is damaged – replace the Front Assembly.
Check:
Inspect the contact pads and BtB connector on the FPC
Assembly Relay FPC and the BtB connector on the Main
PBA.
Action:
1. If dirty or oxidized – clean them.
2. If not properly connected- disconnect and reconnect
connector.
Check:
Inspect the Microphone and BtB connector on the FPC
Assembly Relay FPC.
Action:
1. If dirty – clean them.
2. If Microphone or BtB connector is damaged – replace the
FPC Assembly Relay FPC.
3. Replace the Main PBA.

Trouble Shooting Guide (mech)
1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
16(44)
Problem Areas:
1.8.2 Secondary Microphone
Check:
Inspect the secondary microphone’s external port on the
Back Panel Assy.
Action:
1. If clogged – clean the port.
2. If the port is damaged – replace the Back Panel Assy.
Check:
Inspect the secondary microphone on the Main PBA.
Action:
1. If dirty – clean it.
2. Replace Main PBA.

Trouble Shooting Guide (mech)
1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
17(44)
Problem Areas
1.9 Vibrator
Check:
Inspect the BtB connector on the Front Assembly and the
BtB connector on the Main PBA.
Action:
1. If not properly connected – disconnect and reconnect
connector.
2. If dirty or oxidized – clean connector.
Check:
Inspect the connectors of the vibrator.
Action:
1. If not properly connected – disconnect and reconnect
connector.
2. If connector on Front Assembly flex is damaged – replace
the Front Assembly.
3. If Vibrator connector are damaged – replace the Vibrator

Trouble Shooting Guide (mech)
1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
18(44)
Problem Areas
1.10 Camera
1.10.1 Camera defects
Check:
Inspect the external area of camera window.
Action:
1. If dirty – clean it.
2. If the window is damaged – replace the Back Panel Assy
Check:
Inspect the BtB connector of Camera 13 MPixel CMOS and
the BtB connector on the Main PBA.
Action:
1. If not properly connected – disconnect and reconnect.
2. If dirty or oxidized – clean both of the BtB connectors.
3. If the BtB connector damaged or camera window
scratched or damaged – replace the Camera 13 MPixel
CMOS.
4. Replace Main PBA.

Trouble Shooting Guide (mech)
1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
19(44)
Problem Areas
1.10.2 Secondary Camera
Check:
Inspect the external area of the Secondary camera window.
Action:
1. If dirty – clean it.
2. If scratched or damaged – replace the Front Assembly
Check:
Inspect the BtB connector of Camera 2.2 MPixel CMOS and
the BtB connector on the Main PBA.
Action:
1. If not properly connected – disconnect and reconnect.
2. If dirty or oxidized – clean both of the BtB connectors.
3. If the BtB connector damaged or camera window
scratched or damaged – replace the Camera 2.2 MPixel
CMOS.
4. Replace Main PBA.

Trouble Shooting Guide (mech)
1273-1793 Rev 3

Sony Mobile Communications AB – Company Internal
20(44)
Problem Areas
1.11 Flash LED
1.11.1 Flash LED not flashing
Check:
Inspect the external area of the flash LED window.
Action:
1. If the flash LED window is dirty – clean it.
2. If the flash LED window scratched or damaged – replace
the Back Panel Assy.
Check:
Inspect the flash LED on the Main PBA.
Action:
1. If dirty – clean it.
2. Replace Main PBA.