Troubleshooting Guide.PDF

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Troubleshooting Guide
- mechanical -
ELM
J10, J10i2
1235-7834
Rev 2
Sony Ericsson Mobile Communications AB – Company Internal
Trouble Shooting Guide Repair Instruction Mechanical/
CONTENTS
1
Problem Areas ................................................................................ 4
1.1 Power .................................................................................................... 4
1.1.1
1.2.1
1.3.1
1.3.2
1.4.1
1.4.2
1.4.3
1.5.1
1.6.1
1.6.2
1.7.1
1.8.1
1.9.1
1.9.2
Cannot power on or will switch off randomly ........................................... 4
Graphics & Illumination .............................................................................. 5
Keyboard keys ............................................................................................. 6
Side keys ...................................................................................................... 6
Microphone .................................................................................................. 7
Receiver........................................................................................................ 7
Loudspeaker ................................................................................................ 8
Vibrator not generating alerts .................................................................. 10
Camera 5MPixel defects............................................................................ 11
VGA Camera defects (J10 only) ............................................................... 11
Flash LED not flashing .............................................................................. 13
Accelerometer test fails ............................................................................ 14
Memory Card not detected ....................................................................... 15
Memory Card is stuck in the holder ......................................................... 15
1.2 Display .................................................................................................. 5
1.3 Keys ...................................................................................................... 6
1.4 Audio ..................................................................................................... 7
1.5 Vibrator ............................................................................................... 10
1.6 Camera ................................................................................................ 11
1.7 Flash LED ........................................................................................... 13
1.8 Accelerometer .................................................................................... 14
1.9 Memory Card ...................................................................................... 15
1.10 FM Radio ............................................................................................. 16
1.10.1 No/Poor FM Radio reception .................................................................... 16
1.11 Real Time Clock ................................................................................. 17
1.11.1 Real Time Clock test fails ......................................................................... 17
1.12 SIM ...................................................................................................... 18
1.12.1 SIM not detected ........................................................................................ 18
1.12.2 Incorrect SIM indicated ............................................................................. 18
1.13 Charging ............................................................................................. 19
1.13.1 Battery will not charge .............................................................................. 19
1.14 BT/W-LAN (J10i2 only) ....................................................................... 20
1.14.1 BT/W-LAN connection failure ................................................................... 20
1.15 GPS (J10i2 only) ................................................................................. 21
1.15.1 GPS malfunctions ...................................................................................... 21
1.16 Network & Signal ................................................................................ 22
1.16.1 No/Poor signal ........................................................................................... 22
1.17 HandsFree by Wire ............................................................................. 23
1.17.1 Connection to Portable HandsFree fails.................................................. 23
1.18 Data Communication ......................................................................... 24
1235-7834
Rev 2
Sony Ericsson Mobile Communications AB – Company Internal
2(25)
Trouble Shooting Guide Repair Instruction Mechanical/
1.18.1 Data transfer via System Connector fails ................................................ 24
2
Revision History ........................................................................... 25
1235-7834
Rev 2
Sony Ericsson Mobile Communications AB – Company Internal
3(25)
Trouble Shooting Guide Repair Instruction Mechanical/
1
1.1
Problem Areas
Power
1.1.1 Cannot power on or will switch
off randomly
Check:
Check whether the phone vibrates and the Navigation
Keypad illuminates after the power key is pressed
Action:
If activation of the Vibrator and Navigation Keypad
illumination is detected, refer to section 1.2 ‘Display’
Check:
Inspect the contact pads on the Battery
Action:
1. If dirty or oxidized – clean the pads
2. If damaged – replace the Battery
Check:
Inspect the Battery Connector
Action:
1. If dirty or oxidized – clean the connector
2. If adhesive is detected on the contact pins,
use an eraser to gently rub off the adhesive
3. If damaged – send to higher level of repair
Check:
Inspect the Keyboard (a) and the Keypad Dome Sheet (b)
Action:
1. If the Keyboard is damaged – replace it
2. If the Keypad Dome Sheet is damaged – replace it
3. Send to higher level of repair
1235-7834
Rev 2
Sony Ericsson Mobile Communications AB – Company Internal
4(25)
Trouble Shooting Guide Repair Instruction Mechanical/
Problem Areas
1.2
Display
1.2.1 Graphics & Illumination
Check:
Check whether the phone vibrates and the Navigation
Keypad illuminates after the power key has been pressed
Action:
If the activation described above is not detected, refer to
section 1.1 ‘Power’
Check:
Inspect the connector
Action:
1. If not properly connected – disconnect and reconnect it
2. If dirty or oxidized – clean the male and female sides of
the connector
Check:
Inspect the contact pin on the back of the Display 2.2 TFT
(a) and contact pad on the PBA (b)
Action:
1. If the contact pins are flattened – gently use the Flex Film
Assembly Tool to lift them up higher than the surface
2. If the contact pin / contact pad dirty or oxidized – clean
the contact pin / contact pad
3. If the Display 2.2 TFT is damaged – replace it
4. Send to higher level of repair
1235-7834
Rev 2
Sony Ericsson Mobile Communications AB – Company Internal
5(25)

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