Alert Problems - Sony Ericsson K770 Troubleshooting Manual, Mechanical

9 Alert Problems

Problem Area Items to Check
Vibrator: Before proceeding !
Visually inspect the vibrator
Speaker: Before proceeding !
No sound or poor
quality sound
Visually inspect speaker's external port
4/000 21-1/FEA 209 544/142 A
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Company Internal Sony Ericsson Mobile Communications AB
Trouble Shooting Guide, Mechanical
Repair Action
•
Perform a flash upgrade and a setting
reset.
•
If dirty or oxidized – Send to an
electrical repair location.
•
•
Perform a flash upgrade and a setting
reset.
•
If clogged – Clean it.
Reference Image
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