Owner's Manual
Page 157
... a tracking system if needed. 4. Deliver the unit to be serviced under warranty. 3. Please 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 ...an authorized service center, or 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 repair such defect without prior authorization. You may also have a defect in...
... a tracking system if needed. 4. Deliver the unit to be serviced under warranty. 3. Please 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 ...an authorized service center, or 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 repair such defect without prior authorization. You may also have a defect in...