[sdiy] Roland JX-3p vca - noise

[Doug Terrebonne]

Usually it's the L-M-H output level switch that introduces noise. Try moving it back and forth several times... 

Doug 
synthparts.com

--- On Tue, 2/26/13, Travis Thatcher <recompas at gmail.com> wrote:

> From: Travis Thatcher <recompas at gmail.com>
> Subject: [sdiy] Roland JX-3p vca - noise
> To: "Synth DIY" <synth-diy at dropmix.xs4all.nl>
> Date: Tuesday, February 26, 2013, 9:21 AM
> I have a kind of intermittent but
> often occurring issue with my jx3p
> and was wondering if anyone else had experienced this. At
> times I get
> a lot of distortion on the output of the jx - usually it
> goes away if
> I turn the volume knob, change the level on the pg200 or
> mess with the
> output jacks.  This isn't a typical dirty volume
> pot/jack sort of
> sound, but an crackling and actual distortion of the
> signal.  The
> right side of the output is very low in volume and doesn't
> quite work
> right. Was wondering if anyone had any pointers on where to
> begin
> trouble-shooting.  I've tested out the actual jacks
> themselves and
> they seem electrically okay.
> 
> -- 
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