W880 Trouble Shooting Guide, Mechanical v2.130.pdf

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Trouble Shooting Guide, Mechanical
Trouble Shooting Guide, Mechanical
Applicable for W880i
Contents
1
General ................................................................................................................................. 2
Service functions in the software ................................................................................... 3
Misuse and other no warranty issues ............................................................................ 4
2
Power Problems.................................................................................................................... 6
3
Network/Signal Problems...................................................................................................... 7
4
Audio Problems..................................................................................................................... 8
Receiver:........................................................................................................................ 8
Rear Speaker:.............................................................................................................. 10
Microphone: ................................................................................................................. 12
5
Key Problems...................................................................................................................... 13
Keypad:........................................................................................................................ 13
Volume key: ................................................................................................................. 14
Camera key ................................................................................................................. 15
Music Key .................................................................................................................... 15
6
Display Problems ................................................................................................................ 17
7
Illumination Problems.......................................................................................................... 18
Keypad Illumination: The entire keypad will not illuminate ......................................... 18
Keypad Illumination: A portion of the keypad does not illuminate ............................. 18
Display Illumination:..................................................................................................... 19
8
Alert Problems..................................................................................................................... 20
Vibrator: ....................................................................................................................... 20
Rear speaker: .............................................................................................................. 20
9
Charging/Capacity Problems .............................................................................................. 22
10
SIM Problems...................................................................................................................... 23
11
Data Transfer Problems using a Data Cable ...................................................................... 24
12
Hands-Free Problems ......................................................................................................... 24
13
Rear Camera Problems ...................................................................................................... 25
14
Video Call Camera Problems (W880 Only)......................................................................... 27
15
Bluetooth Problems............................................................................................................. 29
16
Revision History .................................................................................................................. 30
4/000 21-1/FEA 209 544/123 A
Company Internal
©
Sony Ericsson Mobile Communications AB
Trouble Shooting Guide, Mechanical
1 General
This document outlines the mechanical repairs that should be made in an attempt to fix the common failures that are seen in the
field. To gain a complete understanding of how to test and repair a unit, this document should be used in conjunction with the Test
Instructions, Mechanical and the Working Instructions, Mechanical.
NOTE!
A unit should always be inspected for liquid damage and flashed with latest software before using the
Mechanical Trouble Shooting Guide. Refer to the Mechanical Test Instructions for details regarding upgrading
software.
If all of the repair actions listed in this document for addressing a problem have been performed and a unit still
is not working, handle the unit according to your local Sony Ericsson Representative
NOTE!
4/000 21-1/FEA 209 544/123 A
Company Internal
©
Sony Ericsson Mobile Communications AB
2(30)
Trouble Shooting Guide, Mechanical
Service functions in the software
The service menu will be accessed with the following key combination. Use the joystick.
⇒*⇐⇐*⇐*
The service menu options are:
Service info
Service tests
Text labels
Under the “Service
tests”
option, the phone’s software has a built in service functionality that allows you to test some of
the phones functions. It looks like this:
Main display
LED/illumination
Keyboard
Speaker
Earphone
Microphone
Vibrator
Camera
Video Call Camera
Memory Stick
Real time clock
Total call time
Security
NOTE: Different names may occur depending on language setting and customization.
4/000 21-1/FEA 209 544/123 A
Company Internal
©
Sony Ericsson Mobile Communications AB
3(30)
Trouble Shooting Guide, Mechanical
Misuse and other no warranty issues
A phone that is damaged due to misuse is not covered by warranty. This section shows many of the signs of misuse that
are seen in the field. Please refer to local directives on how a phone that appears to be damaged due to misuse should
be handled.
Below are some
examples
of damage due to misuse that are not covered by warranty.
Front window broken due to
misuse.
LCD cracked due to drop.
Clear scratches
Mark after drop
Corrosion components on the PCB.
Corrosion components on the PCB.
Components damaged by liquid
System connector damaged by liquid
4/000 21-1/FEA 209 544/123 A
Company Internal
©
Sony Ericsson Mobile Communications AB
4(30)
Trouble Shooting Guide, Mechanical
1.1.1
Liquid Damage Inspection
Before any tests are performed, an inspection of the liquid intrusion indicator should be made. If the liquid intrusion
indicator is red this is an indication of possible liquid exposure. If the liquid intrusion indicator suggests liquid exposure
please consult your local SEMC representative for handling instructions.
Location of the liquid intrusion indicator
The following pictures show the different between an indicator that has been in contact with liquid and one that has not.
Not Exposed to Liquid
Exposed to Liquid
4/000 21-1/FEA 209 544/123 A
Company Internal
©
Sony Ericsson Mobile Communications AB
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