Owner's Manual
Page 169
...that has a tracking number assigned that will expedite the servicing of the problem. Model Serial Sales Slip Purchased from state to state. Please be prepared to provide proof purchase date (sales receipt, credit card copy, etc.) when requesting service and/or parts under warranty to: ...supply these products and/or to use reconditioned units as Yamaha, warrants to the original consumer of a product included in the categories listed below, that the product will be free of products: PSR SERIES OF PORTATONE ELECTRONIC KEYBOARDS If during the first 90 days that immediately...
...that has a tracking number assigned that will expedite the servicing of the problem. Model Serial Sales Slip Purchased from state to state. Please be prepared to provide proof purchase date (sales receipt, credit card copy, etc.) when requesting service and/or parts under warranty to: ...supply these products and/or to use reconditioned units as Yamaha, warrants to the original consumer of a product included in the categories listed below, that the product will be free of products: PSR SERIES OF PORTATONE ELECTRONIC KEYBOARDS If during the first 90 days that immediately...