Audio Problem; Receiver; Microphone - Sony Ericsson S700i Troubleshooting Manual, Mechanical

4 Audio Problem

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

Receiver

•
Turn on the phone. Go to the service test menu; choose "Earphone" press any key to check
the speaker works properly.
•
Check if the receiver pads (Fig. 4.1) is dirty or oxidized. Clean or replace the FPC hinge if
necessary.
•
Check if the receiver (Fig. 4.2) 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.
4.2

Microphone

•
Turn on the phone. Go to the service test menu; choose "Microphone". Check if the
microphone works properly.
•
Check if the microphone pads (Fig. 4.3) are dirty or oxidized. Clean or replace the FPC
hinge if necessary.
•
Check if the microphone (Fig. 4.4) 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 209 544/89 A
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Company Internal Sony Ericsson Mobile Communications AB
Fig. 4.1
Trouble Shooting Guide, Mechanical
Fig. 4.2
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