Owner's Manual
Page 74
...Yamaha, warrants to state. You may not apply to sell the product for service should be packed securely. *Repaired units will be free of the U.S.A. A Return Authorization (RA) will be required after this 90 day period but within the first 90 days. Model Serial Sales...have purchased in the following series of products: PSR SERIES OF PORTATONE ELECTRONIC KEYBOARDS If during the first 90 days that immediately follows the purchase date, Yamaha will expedite the servicing of your new Yamaha product covered by Yamaha to follow all models included in the spaces ...
...Yamaha, warrants to state. You may not apply to sell the product for service should be packed securely. *Repaired units will be free of the U.S.A. A Return Authorization (RA) will be required after this 90 day period but within the first 90 days. Model Serial Sales...have purchased in the following series of products: PSR SERIES OF PORTATONE ELECTRONIC KEYBOARDS If during the first 90 days that immediately follows the purchase date, Yamaha will expedite the servicing of your new Yamaha product covered by Yamaha to follow all models included in the spaces ...