Jonathan Cain

Neal Schon claimed his Journey bandmate, Jonathan Cain, was cutting him off from funds available to the band -- but Jon's calling BS ... saying the dude's just fiscally irresponsible. Cain just filed legal docs, obtained by TMZ, responding to Schon's lawsuit from October ... in which NS alleged…

Journey fans can relax, keyboardist Jonathan Cain insists the band isn't calling it quits over their White House visit without founding member Neal Schon -- although Neal doesn't seem nearly as sure. We got Cain and his wife, Paula, at LAX Tuesday and asked about Neal going off on Twitter about…