jquery ajax error 한글깨짐 euc-kr처리

$.ajax({
	type: "POST",
	url: "user url",
	data: { user data },
	dataType: "json",
	contentType: 'application/x-www-form-urlencoded;charset=euc-kr',
	beforeSend: function(jqXHR) {
	  jqXHR.overrideMimeType('application/x-www-form-urlencoded;charset=euc-kr');
	},
	success: function(jdata) {
		//success..
	},
	error:function(xhr, textStatus) {
		//chrome error view..
		console.log(xhr.responseText);
	}
});