Sony Ericsson K770 Troubleshooting Manual, Mechanical page 25

Problem Area
Items to Check
Visually inspect the speaker's dust
cloth
Visually inspect the pads
Visually inspect the Speaker pins
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 damaged – Clean or replace
Speaker gasket.
•
If dirty or oxidized – Clean pads.
•
If dirty or oxidized – Clean or replace
Speaker & Antenna box.
•
Replace loudspeaker. (Speaker &
Antenna box).
Reference Image
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