Working on a Juno 60 that survived a minor flood. The only remaining problem is the chorus lfo circuit. It only produces the chorus I&II shallow fast wave. I think the root of the problem is that TR3 conducts when either the chorus I or II button is pressed. I’m not usually one to shotgun parts, but I got desperate in this case and have replaced IC3 and pretty much all of the transistors one by one. I have also checked continuity and resistor values and reflowed some of the solder joints. I have a logic probe and oscilloscope. Any suggestions would be appreciated.