Discussion about the Korg PolySix synthesizer

--- In PolySix@yahoogroups.com, "Mike" <mborish_2000@...> wrote:
>
> Q5 is where I got the transistor from. I'm pretty sure that it's a 2sc2785.  If I remember correctly from studying power supplies, it is a current overload protection transistor;  when the current on R2 gets high enough to create a 0.7 v drop across the BE junction of Q5, Q5 turns on and shuts down Q2.  
> 
> I'm going to give Q2 the good old diode test now that I think about it because it might also be faulty.  Its been about six or seven months since I've been in this synth and I don't remember exactly what I did to it.
> 
> On another note, I've also got a KLM-367 clone that I never got working.  Obviously, I've got to get the 5 volt rail up first before I can find the problem in the KLM-367.
> 
> Thanks,
> Mike
> 

http://www.bdent.com/SearchResults.asp?Search=+2sc2785&Search.x=0&Search.y=0            ( for a 2sc2785)