System Manual
Page 158
... the warranty on the replacement product also expires. Except in the case of hardware or software provided by DIRECTV, adding drive capacity, installing software modifications "hacks" or utilizing service access or "back doors" will void this limited warranty. You must have proof of... you pay for the replacement of all labor charges. Chapter 9 Warranty and Specifications Limited One Year Warranty DIRECTV warrants your DIRECTV® HD DVR (Model Number: HR10-250) and any included accessories against defects in material or workmanship for the product or the current retail price ...
... the warranty on the replacement product also expires. Except in the case of hardware or software provided by DIRECTV, adding drive capacity, installing software modifications "hacks" or utilizing service access or "back doors" will void this limited warranty. You must have proof of... you pay for the replacement of all labor charges. Chapter 9 Warranty and Specifications Limited One Year Warranty DIRECTV warrants your DIRECTV® HD DVR (Model Number: HR10-250) and any included accessories against defects in material or workmanship for the product or the current retail price ...