Audio Problems; Dual Speaker; Microphone Problems - Sony Ericsson K500 Series Troubleshooting Manual

4 Audio Problems

•
Make a general visual inspection for misuse, corrosion or oxidation from liquid damage
according to point 1.2
4.1

Dual Speaker

•
Turn on the phone. Go to the service test menu; choose "Earphone" press any key to check
the speaker works properly.
•
Check if the speaker pads (Fig. 4.1) is dirty or oxidized. Clean them if necessary.
•
Check if the dual speaker (Fig. 4.2) is mechanical damaged, dirty or oxidized. Replace it if
necessary.
•
Check if the speaker grommet (Fig. 4.3) is mechanical damaged or if it fits correct.
Replace it if necessary.
If the fault still occurs, try to update the phone to the latest available software version. If this
doesn't solve the problem, handle the unit according to the local directives.
Fig. 4.1
4.2

Microphone problems

•
Turn on the phone. Go to the service test menu; choose "Microphone". Check if the
microphone works properly.
•
Check if the microphone pads (Fig. 4.4) are dirty or oxidized. Clean it if necessary.
•
Check if the microphone assy (Fig. 4.5) is mechanical damaged, dirty or oxidized. Replace
it if necessary.
If the fault still occurs, try to update the phone to the latest available software version. If this
doesn't solve the problem, handle the unit according to the local directives.
4/00021-1/FEA 209 544/86 D
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Company Internal Sony Ericsson Mobile Communications AB
Trouble Shooting Guide, SP/Mechanical
Fig. 4.2 Fig. 4.3
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