Funny you mention this. The inlaws had a similar vintage organ.
They are known for developing oxidation on the contacts apparently.
Yes, the store's "repairman" advocated WD40 on the contacts as the long
term fix?  :o


On 6 April 2017 at 07:24, James Cameron <quozl@laptop.org> wrote:

> I'm looking at a Yamaha Electone FS-20 organ from 1983.
>
> ....snip
>
> What excitement can this type of oil do to 1983 vintage electronics?
>
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> James Cameron
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