Audio Problems - Sony Ericsson K770 Troubleshooting Manual, Mechanical

5 Audio Problems

Problem Area Items to Check
Microphone: Before proceeding !
Visually inspect the microphone's
external port
If the issue has not been resolved !
If the issue has not been resolved !
Receiver: Before proceeding !
No sound or poor
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 clogged - Clean or replace Front
cover.
•
If damaged – Send to an electrical
repair location.(Replace the
microphone)
•
Handle the unit according to local
directives.
•
Perform a flash upgrade and a setting
reset.
Reference Image
14(32)