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Troubleshooting Guide
- mechanical -
Satio
U1i,U1a,U_1
1230-3682 Rev 1
©
Sony Ericsson Mobile Communications AB – Company Internal
Troubleshooting Guide (mech)
CONTENTS
1
Problem Areas ................................................................................ 4
1.1
Power...................................................................................................... 4
1.1.1
Will not power on or will switch off randomly ........................................... 4
1.2
Display.................................................................................................... 6
1.2.1
Graphic & Illumination ................................................................................ 6
1.3
Touch Panel ........................................................................................... 7
1.3.1
Touch Panel no response ........................................................................... 7
1.4
Illumination ............................................................................................ 8
1.4.1
Camera Key.................................................................................................. 8
1.4.2
End, Send & Center Key.............................................................................. 8
1.4.3
Flash LEDs ................................................................................................... 8
1.4.4
Switch-On LED............................................................................................. 9
1.5
Keys ...................................................................................................... 10
1.5.1
Camera Key................................................................................................ 10
1.5.2
On/Off Key.................................................................................................. 10
1.5.3
Side Keys ................................................................................................... 10
1.5.4
Send, End & Center Key............................................................................ 11
1.6
Audio .................................................................................................... 12
1.6.1
Microphone ................................................................................................ 12
1.6.2
Receiver...................................................................................................... 12
1.6.3
Loudspeaker .............................................................................................. 13
1.7
Vibrator................................................................................................. 14
1.7.1
Vibrator not generating alerts .................................................................. 14
1.8
Camera ................................................................................................. 15
1.8.1
Rear camera defects.................................................................................. 15
1.8.2
Front camera defects ................................................................................ 15
1.8.3
Camera Cover Sensor performance......................................................... 16
1.9
Accelerometer ..................................................................................... 17
1.9.1
Accelerometer test fails ............................................................................ 17
1.10
Memory Card ....................................................................................... 18
1.10.1
Memory Card not detected ....................................................................... 18
1.11
FM Radio .............................................................................................. 19
1.11.1
No/Poor FM Radio reception .................................................................... 19
1.12
Real Time Clock................................................................................... 20
1.12.1
Real Time Clock test fails ......................................................................... 20
1.13
SIM ........................................................................................................ 21
1.13.1
SIM not detected ........................................................................................ 21
1.13.2
Incorrect SIM indicated ............................................................................. 21
1.14
Charging............................................................................................... 22
1.14.1
Battery will not charge .............................................................................. 22
1.15
Bluetooth, GPS & W-LAN ................................................................... 23
1.15.1
Bluetooth,GPS & W-LAN malfunctions.................................................... 23
1230-3682 Rev 1
©
Sony Ericsson Mobile Communications AB – Company Internal
2(27)
Troubleshooting Guide (mech)
1.16
Network & Signal................................................................................. 24
1.16.1
No/Poor signal ........................................................................................... 24
1.17
HandsFree by Wire.............................................................................. 25
1.17.1
Connection to Portable HandsFree fails.................................................. 25
1.18
Data Communication .......................................................................... 26
1.18.1
Data transfer via System Connector fails................................................ 26
2
History ........................................................................................... 27
1230-3682 Rev 1
©
Sony Ericsson Mobile Communications AB – Company Internal
3(27)
Troubleshooting Guide (mech)
1 Problem Areas
1.1 Power
1.1.1 Will not power on or will switch
off randomly
Check:
Check whether the phone vibrates and the switch-on
indicator (b) illuminates after the power key (a) is depressed.
Action:
If activation of the vibrator and the switch-on indicator
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. Send to higher level of repair.
Check:
Inspect the FPC Receiver connector.
Action:
1. If not properly connected to the PCB – disconnect and
reconnect it.
2. If dirty or oxidized – clean the male and female sides of
the BtB connectors.
3. If damaged – replace it.
4. Send to higher level of repair.
1230-3682 Rev 1
©
Sony Ericsson Mobile Communications AB – Company Internal
4(27)
Troubleshooting Guide (mech)
Problem Areas: Power
Check:
Inspect the On/Off Key (a) and key dome (b) on the FPC
Receiver.
Action:
1. If dirty or oxidized – clean it.
2. If damaged – replace the On/Off Key or the FPC
Receiver.
3. Send to higher level of repair.
1230-3682 Rev 1
©
Sony Ericsson Mobile Communications AB – Company Internal
5(27)
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