Vintage Synth Repair

All the FETs are typical 2SK30(A) JFETs.  You can either order some 
2SK30As from a place like americanmicrosemi.com or just use a 
general-purpose modern part like a 2N3819.  Just make sure you observe the 
transistor lead order as they are different.

Crow
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On Fri, 25 Feb 2005, bitexion wrote:

> >   Educated guess as this has happened to Korg VCOs in other 
> > instruments: replace the FET F3.
> 
> Exactly the kind of thing I was hoping to see :-) 
> I'll check out the other links aswell.
> We're talking a MOS-FET transistor here? Standard electronics gear?
> Or is it Korg specific? Specifications?