KX-1901A Y-Bow issue

[colorfixer]

I have a near new one that is starting to suffer from aging caps (likely from non use), and thus having issues with Y-bow adjustment being out of whack. Before I recap the set, anyone know where the Y-bow adjustment is on this beast and can it be got to without untangling the entire set.

Someone sure spent a whole lot of time working on strapping and tying wire bundles inside the cabinet of this thing...