Definetely not, I've double checked it. Effects off, sawtooth wave. Same slow VCOs modulation (about 5 secs per cycle) independently of the speed of the three LFOs in the Polysix. If I replace the KLM-367A the modulation disappears.
--------------------------------------------
El lun, 10/8/15,
backshall1@bellsouth.net [PolySix] <
PolySix@yahoogroups.com> escribió:
Asunto: Re: [PolySix] VCOs slightly modulated due to battery board malfunction
Para:
PolySix@yahoogroups.com
Fecha: lunes, 10 de agosto, 2015 20:57
How about PWM Speed or Effects Speed? They also have
their own LFO signal
that could be bleeding in somewhere.
Don B.
From: mailto:
PolySix@yahoogroups.com
Sent: Monday, August 10, 2015 2:40 PM
To:
PolySix@yahoogroups.com
Subject: Re: [PolySix] VCOs slightly modulated
due to battery board
malfunction
No, it isn't related with the speed of the MG. Once I
repaired another
KLM-367A board which produced a high speed modulation in the
sound, I replaced
IC30 and the problem was solved. But this time I've
replaced IC30 and IC31 and
the slow modulation remains. All other functions are
ok.
--------------------------------------------
El lun, 10/8/15,
backshall1@bellsouth.net [PolySix]
<
PolySix@yahoogroups.com>
escribió:
Asunto: Re:
[PolySix] VCOs slightly modulated due to battery
board malfunction
Para:
PolySix@yahoogroups.com
Fecha: lunes, 10 de
agosto, 2015
20:32
Does
it change with the MG speed control or does it
seem unrelated to the
MG?
Don B.
From:
mailto:
PolySix@yahoogroups.com
Sent: Monday, August 10, 2015 2:15
PM
To:
PolySix@yahoogroups.com
Subject: [PolySix] VCOs
slightly
modulated due
to battery board
malfunction
Hi again. This time I have a
Polysix whose VCOs are
always modulated by a
very slow sine or triangle
wave. Of course all modulation
controls in
the panel
and mod wheel are at
zero value. If I change the battery
board
using a good one,
the
modulation disappears, so it is clearly a problem of the
KLM-367A. Do you
know what parts should I check?. Thank you
for your help.
Kind
regards
Manuel
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