Trouble Shooting Guide, SP/Mechanical
4_00021-1/FEA 209 544/76 B
Sony Ericsson Mobile Communications AB
5(18)
3 Alert Problems
• Make a general visual inspection for corrosion or oxidation from liquid damage according
to point 1.2
3.1 Vibrator
• Turn on the phone. Go to the service test menu; choose “Vibrator”. Press any key to check
that the vibrator works properly.
• Check if the vibrator pads (Fig. 3.1) are dirty or oxidized. Clean them if necessary.
• Check if the vibrator (Fig. 3.2) is mechanically damaged, dirty or oxidized. Replace it if
necessary.
If the fault still occurs, handle the unit according to the local company or the GSP directives.
3.2 Polyphonic
• Turn on the phone. Go to the service test menu; choose “Polyphonic”. Press any key to
check if the polyphonic ring signal works properly.
• Check if the speaker (Fig. 3.3) is mechanically damaged, dirty or oxidized. Replace it if
necessary.
• Check if the speaker gasket (Fig. 3.4) is mechanically damaged or dirty. Replace it if
necessary.
• Check if the sound channel gasket (Fig. 3.5) is mechanical damaged or dirty. Replace it if
necessary.
If the failure still occurs, handle the unit according to the local company or the GSP directives.
Fig. 3.1 Fig. 3.2
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