OK, now I think this is overscanning.
The text [x/y] is rendered by the AIOS (same goes for the selected movie name at the bottom).
The issue is described in details here: viewtopic.php?f=6&t=434&start=210#p9990
(and go down), its a little involved, but if you follow the thread from that point you will see a step by step about which files to edits, how to edit them and where to place the edit files.
Have you checked the zooming options on your TV ? what model/make is it ?