All about the Roland Jupiter-series

-----Original Message-----
From: Christian Hofmann [mailto:chris@...] 
Sent: Thursday, February 17, 2000 1:47 PM
To: analogue@...
Subject: Re: [AH] Need some Jupiter 8 Advice/Help


On Wed, 16 Feb 2000 22:09:49 +0000
"Ernie Deakyne" <ernie@...> wrote:

>     OK, here's the situation, I've found a rustic old JP-8 here in
Portugal.
> The seller wants $1000, which is fair, but it has some problems.  I'd like
> to know if, with the problems, that's still a fair price... Regarding the
> problems, I'd like to know if anyone has ever experienced them before and
> might know how difficult/possible it is to fix them. (Especially #8)
> 
> [...]
> 7. HIGH Frequency ringing from all outputs even when the volume is all the
> way down. Might be a grounding issue/power supply problem??

I have this too with my JP. I appears to come from the LED digit
display. It varies with the number of segments lit, and almost
dissapears when switching to manual, i.e. the digits showing "--". Might
be a shielding problem.

Christian


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