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Trouble Shooting Guide, Electrical
4/00021-2/FEA 209 544/74 A
Sony Ericsson Mobile Communications AB
9(12)
7 Alert Problems
7.1 Buzzer
• Use the Service Test menu, choose Buzzer.
• Activate the buzzer using the keymat.
• If it sounds low or distorted open the phone and inspect the Buzzer (Fig. 7-1) and the
buzzer gasket in front cover.
• Check the Buzzer (Fig. 7-1) for faulty soldering joints.
• If necessary re-solder or change the Buzzer. If the problem is in the buzzer gasket,
replace the Front cover.
If the fault still remains, handle the unit according to local directives.
7.2 Vibrator
• Use the Service Test menu, choose Vibrator.
• Activate the Vibrator using the keymat.
• If it does not vibrate, open the phone and inspect the Vibrator (Fig. 7-2) and vibrator
contact springs. Check vibrator pads (Fig. 7-3) for damage and oxidation. Clean if
needed.
• If necessary, change the Vibrator.
If the fault still remains, handle the unit according to local directives.
Figure 7-1