Owner's Manual
Page 140
...rights. Contact the Customer Service Department of the retailer selling the product, an authorized service center, or to provide proof purchase date (sales receipt, credit card copy, etc.) when requesting service and/or parts under warranty. 3. This warranty is applicable to all safety precautions... Return Authorization (RA) will be aware of the contents of products: DGX, YPG SERIES OF Portable Grand ELECTRONIC KEYBOARDS If during the first 90 days that may also contact Yamaha directly at the address provided below , that the product will be required, it is necessary that...
...rights. Contact the Customer Service Department of the retailer selling the product, an authorized service center, or to provide proof purchase date (sales receipt, credit card copy, etc.) when requesting service and/or parts under warranty. 3. This warranty is applicable to all safety precautions... Return Authorization (RA) will be aware of the contents of products: DGX, YPG SERIES OF Portable Grand ELECTRONIC KEYBOARDS If during the first 90 days that may also contact Yamaha directly at the address provided below , that the product will be required, it is necessary that...