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Re: EDP footpedal strangeness and a request for public testing

my finger and feet hurt but I could'nt get your exclusive bug :=)

is the bug happening with a cool machine too


ps:ober plex ~ year 98 

Andre LaFosse wrote:
> Hello list,
> I'm still experiencing a very strange and intermittent problem with my
> EDP footpedal:
> When hitting Insert very quickly and repeatedly, it will occasionally
> trigger Multiply, and less occasionally Overdub.
> Here's what I've done to my footpedal over the last few days:
> -- Replaced every single switch with a brand new switch
> -- Replaced every resistor with a brand new resistor
> -- Put in a new jack
> -- Put in new wiring
> -- Re-soldered every connection, which in any event was newly soldered
> to begin with, since the various component parts being soldered together
> are all new
> In short, the only part of the old pedal I still have is the actual
> metal chassis.  Everything else has been replaced, and I'm still getting
> the same basic problem.  It's less pronounced that it was, but still
> very much present.
> The obvious answer would be that it's a problem with the EDP itself.
> Except...
> I've used a friend's footpedal with my EDP, and gotten this problem
> EXTREMELY rarely -- so infrequently that it hardly EVER happens.
> I also plugged my own problematic footpedal into his EDP, AFTER all of
> the modifications, and it behaves the same way in his unit as it does in 
> My pedal (and EDP) is an older Oberheim model, and his are Gibson
> models.  But I've never noticed this particular problem prior to the
> beginning of this year.
> The only difference between the two footpedals is that my friend's newer
> model has insulation on the input jack, to keep it from connecting to
> the metal housing of the chassis itself.  Even after modifying my unit
> with insulation, the problem persists.  And I never noticed this for the
> previous six years that I've been using the pedal without insulation.
> Furthermore, Matthias tells me that, since the front panel buttons and
> the footpedal buttons are wired parallel, that any problem with the
> footpedal should be duplicated with the front buttons, and vica versa.
> When I do this test on the front panel buttons, it NEVER EVER happens at
> all.  Not even ONCE.
> It's not a beta test issue, because I put Loop3 in and noticed the same
> thing (as well as my friend's unit, which is also on Loop3).
> So, I have two questions for the list:
> 1) Does anyone have any ideas as to what I should try now?
> 2) Can anyone with an EDP and a spare minute please perform the
> following test for me:
> -- Turn quantize off.  Then press the Insert button on the footpedal as
> fast as you can, repeatedly (for 30 seconds at least).  Watch the front
> panel display, and see if it goes into Multiply or Overdub at any point
> during this.
> I will assume that I now possess the EFC-7 equivalent of a Ouija board
> until such time as my pedal starts operating normally again...
> Big thanks for any ideas, and to everyone who already wrote in with 
> --Andre "Crowley" LaFosse
> http://www.EFC-7-busters.com