BHitachi RPTV Lamp Part UX21511-ER UX21511ER Model Hitachi 50V500 50V500A 50V500G ReviewbP PP Hitachi RPTV Lamp Part UX21511-ER UX21511ER Model Hitachi 50V500 50V500A 50V500G P*****WARRANTY AND INSTRUCTIONS*****P**RETURN AND REPLACE: If the product is found to be faulty within the first 90 days period, we will arrange the return and replacement under manufacturer's warranty at no cost to you.