Denon RCD-M39 Owner's Manual page 53

The Denon Extended Protection Plan
Today's highly technical products are mechanically and electronically
complex, and even the best equipment may need periodic attention that
can result in costly repair bills. With the Denon Extended Protection Plan,
there are no deductibles or hidden charges. Best of all, if your Denon
product is unrepairable, we will replace it, absolutely free with a unit that
has similar features and functionality.
Don't delay! You must extend your coverage before your factory
warranty expires. To extend your warranty, simply log on to our website:
http:/ /servicecontracts.denon.com, or call us toll-free at (855) 720-0823.
(US Residents Only)