Owner's Manual
Page 117
...damages. IMPORTANT: Do NOT ship anything to extremes in materials and/or workmanship for service should 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 .... You may also have a defect in the following series of products: PSR SERIES OF PORTATONE ELECTRONIC KEYBOARDS If during the first 90 days that immediately follows the purchase date, your new Yamaha product covered by this warranty is applicable only to units sold by retailers authorized by...
...damages. IMPORTANT: Do NOT ship anything to extremes in materials and/or workmanship for service should 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 .... You may also have a defect in the following series of products: PSR SERIES OF PORTATONE ELECTRONIC KEYBOARDS If during the first 90 days that immediately follows the purchase date, your new Yamaha product covered by this warranty is applicable only to units sold by retailers authorized by...