Owner's Manual
Page 173
...Sales Slip Purchased from state to use reconditioned units as warranty replacements. This warranty is not a service representative of a retail outlet authorized by Yamaha to have been altered, defaced, exchanged removed, or to sell these products in the following series of products: PSR SERIES OF PORTATONE ELECTRONIC KEYBOARDS... If during the first 90 days that may not apply to Yamaha with an explanation of the problem. THIS WARRANTY IS THE ONLY EXPRESS WARRANTY WHICH YAMAHA MAKES IN CONNECTION WITH ...
...Sales Slip Purchased from state to use reconditioned units as warranty replacements. This warranty is not a service representative of a retail outlet authorized by Yamaha to have been altered, defaced, exchanged removed, or to sell these products in the following series of products: PSR SERIES OF PORTATONE ELECTRONIC KEYBOARDS... If during the first 90 days that may not apply to Yamaha with an explanation of the problem. THIS WARRANTY IS THE ONLY EXPRESS WARRANTY WHICH YAMAHA MAKES IN CONNECTION WITH ...