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Subject: Re: [Roland_Jupiters] VCO2 Offset issue on a JP 6

From: Nick Zampiello <newallianceeast@...>
Date: 2013-12-05

does it change once the synth warms up?  i find that it takes a half hour or so for my JP6 to get stable.

or maybe its one of the modulation sources on the left still detuning the VCO2 even though it's center point is accurate?


otherwise have you tried turning the VCO 2 and main pitch control fully clockwise and counter clockwise a few times?  then put them back to center and hit tune.

z
 
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On Thursday, December 5, 2013 10:47 AM, "bob@..." <bob@...> wrote:
 
Hi

Just wondering if anyone else has had this issue, and if so, if they have any insight into how to cure it.

With the Tune knob set in its' mid position I have quite a detune on all voices. If I move the knob into a 2 o'clock position I'm roughly in unison.

I've calibrated the synth but the issue persists.
If I measure the voltage on the pot it's as it should be ie. 2.5V at 12 o'clock,
Looking at the output of the multiplexer I can see that the level is consistent with the other controls.

Any constructive input most appreciated.


Bob