The saga continues....One of my keys (D4) seems to produce much more silent sound on some presets like Electric Piano or Guitar. When I cycle it some voices are even almost completely mute and overall this key produces much more silent sound than the rest. I don't think it's sound card related as on any other key they act just fine. And that same key works normally on other presets like Strings or Brass. Could be velocity related problem -no clue. I have changed already all the IC's on TSB and TKC boards ( but did not recap TSB's).
Could a bad capacitor on one of the TSB's be a cause of tis or it's something else?