Schengen visa from turkey?

i wanna get schengen visa from czech consulate Istanbul. but they wanna my bank acount and in 70 new turkish lira for each day i will be abroad..for 6 month schenge it mean almost 13000 ytl..im student.its funny.i will go consulate without bank acount doents and i will just try...i had long time czech visa this year.and usa visa from last year and schengen visa from poland consulate in czech rep..it mean i have record their database.it will help me?