do i post my iPod for repair?

Yes if you request one. Are you following the instrcitons here:

http://support.apple.com/kb/index?page=servicefaq&geo=United_States&product=ipod

. If you have reviewed those articles and still need service for your iPod, you can contact Apple. You can also take your iPod to your local Apple Authorized Service Provider. Note: There may be a fee for diagnostic service.

That is part of the process. Just start and fill in. It comes later.