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4
Audio problems
•
Make a general visual inspection for oxidation or corrosion from liquid damage
according to point 1.2.
4.1 Loudspeaker Assy (Polyphonic)
•
Turn on the phone. Go to service test menu; choose "5.Earphone" press any key to check
that the Earphone Assy is working properly.
•
Check that the Earphone Assy pads (Fig 4.1) are not dirty or oxidized. Clean them if
needed.
•
Check that the Earphone Assy (Fig.4.2) is not mechanical damaged, dirty or oxidized.
Replace it if necessary.
4.2 Microphone Assy
•
Turn on the phone. Go to service test menu; choose "6.Microphone" (an audio loop is
activated) check that the Microphone Assy is working properly.
•
Check that the Microphone Connector (Fig.4.3) is not oxidized. Replace it if necessary.
•
Check that the Microphone Assy (Fig.4.4) is not mechanical damaged, dirty or oxidized.
Replace it if necessary.
If the failure still occurs, handle the unit according to the local company or the GSP
directives.
4/00021-1/FEA 209 544/81 A
Sony Ericsson Mobile Communications AB
Fig.4.1
Fig.4.3
Trouble shooting Guide, SP/Mechanical
Fig.4.2
Fig.4.4
7(17)
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