Onkyo TX-DS575 Receiver "laser dvd remote replacement" Questions

DVD player I programed it to. I have reset the reciever and the remote and changed batteries in the remote. It hasn't worked for some months then the other day it worked for a day then quit again. Any

...DVD or cable TV input. I don't play it at excessive volumes (no, really). I rarely play it above "-24" for what it's worth. The volume never seems to be a factor anyway. Nor does how long it's been ...