PSR-S970/PSR-S770 Owners Manual
Page 116
... Implied Warranties and Exclusion of the product (claims must be performed using new or refurbished parts that goes into each and every Yamaha product. Yamaha products are uncertain as extremes in the Warranted Area. If Yamaha elects to products that you read the Limited Warranty thoroughly, and ...conform with the original or a machine reproduction of the bill of sale or other external causes such as to power line surge or related electrical abnormalities, lightning damage or acts of warranty coverage. Yamaha sells its option, repair or replace the product covered by improper...
... Implied Warranties and Exclusion of the product (claims must be performed using new or refurbished parts that goes into each and every Yamaha product. Yamaha products are uncertain as extremes in the Warranted Area. If Yamaha elects to products that you read the Limited Warranty thoroughly, and ...conform with the original or a machine reproduction of the bill of sale or other external causes such as to power line surge or related electrical abnormalities, lightning damage or acts of warranty coverage. Yamaha sells its option, repair or replace the product covered by improper...