Main Mic does not work

[Leo1]

Hi, i have a z1 compact and the main mic makes a loud noise like a radio frequence and does not record anything, i would like to know if that can be repaired or if i have to remplace it, in that case i would like to know the part number or a picture or something to identify it before buying it. Thank you. its the mic from the bottom the one thats next to the bottom speaker 

[Uliwooly]

You could repair the phone with PCC and check again 

PC Companion (PCC)

Bridge (for Mac)

Alternatives on How to backup Xperias

http://talk.sonymobile.com/thread/36355

[Uliwooly]

If that doesn't work, contact your local Xperia Care

http://support.sonymobile.com/global-en/contactUs/

[Leo1]

Thanks, but already tried the pc companion and dit not work, and tried to contact the xperia care but they " can not provide me with that information"

[Uliwooly]

You have to send it in

[Uliwooly]

This might help you 

http://www.xperiablog.net/2013/09/15/xperia-z1-disassembly-guide/