Have you registered BSplayer?? If not you can't access to Pro version features (like the TVtuner function)!
On how to register (AND BEFORE POSTING) read this post:
URL: http://forum.bsplayer.org/viewtopic.php?t=6206
SECTION: "MISCELLANEOUS":
ITEM: (f)
If so, have you installed all the TVtuner drivers? Otherways BSplayer can't recognise your tuner...