For fastest service please visit to your local authorized retailer/service center. They are in the best position to service your needs.
If you do not have an authorized retailer/service center close by you can send your equipment directly to Sony:

Sony Technical Support
Mail Drop SJ-3A1
3300 Zanker Road
San Jose, CA 95134

Tel: 800-222-7669

A Return Authorization (R/A) is required

If you have any questions you can contact us at 949-221-9300 or email us at repair@scuba.com