Owner's Manual
Page 142
...and provide a tracking system if needed. 4. This warranty is not a service representative of a retail outlet authorized by Yamaha to provide proof purchase date (sales receipt, credit card copy, etc.) when requesting service and/or parts under warranty to: the retailer selling the product,... and/or workmanship for assistance. DO NOT MAIL! 142 DGX-530/YPG-535 Owner's Manual or in other country. Limited Warranty 90 DAYS LABOR 1 YEAR PARTS Yamaha Corporation of America, hereafter referred to as Yamaha, warrants to you. Therefore, these parts without prior authorization.
...and provide a tracking system if needed. 4. This warranty is not a service representative of a retail outlet authorized by Yamaha to provide proof purchase date (sales receipt, credit card copy, etc.) when requesting service and/or parts under warranty to: the retailer selling the product,... and/or workmanship for assistance. DO NOT MAIL! 142 DGX-530/YPG-535 Owner's Manual or in other country. Limited Warranty 90 DAYS LABOR 1 YEAR PARTS Yamaha Corporation of America, hereafter referred to as Yamaha, warrants to you. Therefore, these parts without prior authorization.