[sdiy] MS-20 psu conversion from 100V to 240V

Oscar Salas osalas at electronic-sea.net
Thu May 17 22:45:11 CEST 2012

Yes , a 36VCT transformer should do the work.I would replace the
capacitors for other ones with at least voltage rating 35V.

> I want to buy an MS-20 rev2, but the only ones I can find all have
> Japanese 100V power supplies. I have a friends 240V MS20 rev2 here and
> there is a transformer and fuse mounted on the chassie and then a
> tripple core wire from the transformer that is soldered directly onto
> the main PCB. Does anyone know if it is simply a matter of changing
> that transformer?
> I'm assuming that the rev2 has the same power supply as the rev1:
> http://www.korganalogue.net/korgms/images/service/ms20/circ1.gif
> Cheers,
> Andy
> --
> cytomic - sound music software
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