[sdiy] Hacking the expression pedal input on a JD-800

[J. Larry Hendry]

I agree the EV-5 is a terrible feeling pedal and has a short throw.  For
expression, the Yamaha FC-7 is more to my liking.

The FC-7 is 50 K.  The EV-5 checks in at about 10K.  The one I had in my
hand actually checked about 8500 ohms.

Also, Yamaha and Roland reverse the Tip and ring connection in terms of
which is the wiper.

Larry H

----- Original Message -----
From: <WeAreAs1 at aol.com>
The Roland EV-5 pedal is simply a pot that's wired directly to the three
terminals of the 1/4" TRS plug (there's second pot that's also in there to
set the "minimum value", but it can be eliminated for your purpose).  I
don't have the schematic handy, but a 50K pot value seems to come to mind.

(the EV-5 still has a terrible feel, though).