Sony Ericsson Z320 Troubleshooting Manual page 14

Problem Area Items to Check
Perform a test with a new Flex Assy for
verification
If this issue has not been resolved
Microphone Before proceeding
Visually inspect the microphone's
external port
4/000 21-1/FEA 209 544/121 A
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Company Internal Sony Ericsson Mobile Communications AB
Trouble Shooting Guide, Mechanical
Repair Action
•
If 'old' Flex Assy is not working –
Replace the FPC
•
Send to an electrical repair location.
•
Perform a flash upgrade and a setting
reset
•
If clogged
– Clean or replace Lower Inner Cover.
Reference Image
14(32)