Sony Ericsson K770 Troubleshooting Manual, Mechanical page 17

Problem Area Items to Check
Visually inspect the pads
Visually inspect the Speaker pins
If the issue has not been resolved !
If the issue has not been resolved !
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
•
If dirty or oxidized – Clean pads.
•
If dirty or oxidized – Clean or replace
Speaker & Antenna box.
•
Replace loudspeaker. (Speaker &
Antenna box)
•
Handle the unit according to local
directives.
Reference Image
17(32)