SamyGO

did you take note of all settings in the service menu before you changed anything, i have the same tv and took photos of all the service menu data before changing anything, i will try and find them when i get home to post for you to see what you have changed

the remote for the c530 will work for playing and searching through a video on the d503 ( just tried it as i have the d503 and the c530).
the remote model number is bn59-01014a