Since you want us to guess the model numbers of the TV and BD player I will guess that if the TV remote isn't a universal type that already has the codes for the BD player in it you won't be able to use it with the LG player.
Since you want us to guess the model numbers of the TV and BD player I will guess that if the TV remote isn't a universal type that already has the codes for the BD player in it you won't be able to use it with the LG player.