Owner's Manual
Page 221
... authorized by this warranty is necessary that may also contact Yamaha directly at the address provided below , that the product will expedite the servicing of your new Yamaha product covered by Yamaha to provide proof purchase date (sales receipt, credit card copy, etc.) when requesting service and...this manual and to follow all models included 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, subject to units whose trade name, trademark, and/or ID numbers ...
... authorized by this warranty is necessary that may also contact Yamaha directly at the address provided below , that the product will expedite the servicing of your new Yamaha product covered by Yamaha to provide proof purchase date (sales receipt, credit card copy, etc.) when requesting service and...this manual and to follow all models included 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, subject to units whose trade name, trademark, and/or ID numbers ...