Making a Yamaha PSR-19 into something

[Paul Perry]

At 01:56 AM 28/04/98 -0700, Adam M Bowen  wrote:
>yeah, cheap yamaha synths don't seem to be good for nuthin.
>
>i have a psr-6 which is probably an even bigger piece of crap than
>yours. i'm planning on converting it into a cv device to control an
>external modular synth. it seems like kind of a laborious and boring
>project -just replacing diodes with resistors and chaining them
>together, but i'm poor and have no decent keyboard to call my own.

well if you keep it as it is, you can just run the audio out into a 
freq to v convertor, then to an exponential current convertor, and you 
are away.
Dont know if this particular psr has velocity, but if so, add an envelope 
follower..

happy hacking from paul perry melb australia
(who has just listened to a compilation cassette consisting
entirely of casio VLtone... heavily processed in some cases,
but still nothing but vltone..

BTW, 80% of the world would consider themselves RICH if they had a PSR-6.