I have an ibanez 450dx with low-trs II trem and the G string keeps going out of tune. I don't use the tremolo, I have it blocked, and anytime I do a string bend the string goes immediately flat. Anybody have an idea why this is happening? Could there be a problem with the saddle? This same problem occurred when I used to actually use the floyd as well, and I lubricated the saddle where the string sits. I'm thinking it's either the tuner or the saddle that's the problem. Is there any way to tell? thanks.