
Troubleshooting Guide (mech)
1279-7185 Rev 1
Sony Mobile Communications AB – Company Internal
20(68)
Problem Areas: Microphone
Check:
Inspect the Sheet WP 2nd Mic on the Window Back Sub
Assy.
Action:
1. If dirty – clean them.
2. If the Sheet WP 2nd Mic is damaged – replace the
Window Back Sub Assy.
Check:
Inspect the Holder FPC Assy Audio Jack.
Action:
1. If the Holder FPC Assy Audio Jack is damaged – replace
it.
Check:
Inspect the Gasket 2nd MIC on the main PBA.
Action:
1. If the Gasket 2nd MIC is damaged – replace it.