Owner's Manual
Page 88
... to implied warranties and/or the exclusion of products: PSR SERIES OF PORTATONE ELECTRONIC KEYBOARDS If during the first 90 days that immediately follows the purchase date, Yamaha will be prepared 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, or any other rights which vary from Date Retailer) YAMAHA CORPORATION OF AMERICA ...
... to implied warranties and/or the exclusion of products: PSR SERIES OF PORTATONE ELECTRONIC KEYBOARDS If during the first 90 days that immediately follows the purchase date, Yamaha will be prepared 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, or any other rights which vary from Date Retailer) YAMAHA CORPORATION OF AMERICA ...