Ok, I spoke too soon. It works, but not correctly now - something is
wrong with the VCA EG or something else, when I press a key I only
get a sound when I let go of the key, not when I press it down.

Turning the ADSR to 0 on the VCA EG then playing a key only gives a
sound when I let go of the key. When I turn the attack to 2 and press
a key, it still only plays when I let go but fades in and cuts out.
If I turn the sustain knob up, the note rings on endlessly, the
release knob doesn't appear to change anything.

Basically, I'm only getting sound when I let go of a key, what is
that a sign of Just when I thought I was in the clear!



--- In korg_mono-poly@yahoogroups.com , "hoggybogger"
<hoggybogger@...> wrote:

>
> It works now! Here's what happened tonight, I changed the volume

pot

> to a new one (I had ordered a replacement a few years ago, never

got

> around to installing it) and it didn't fix the problem.
>
> Then it occurred to me after messing with this for a bit, that it
> might be the MIDIJACK I installed on this last year - sure enough,
> one of the wires had come disconnected. Reconnecting it solved
> everything!
>
> So there was nothing wrong with my Mono/Poly, only the wiring for
> MIDIJACK kit I had put in. This whole ordeal at the very least got

me

> to change the potentiometer, and learn a bit of troubleshooting.
> Thanks for your help Florian, I appreciate it.
>
> I also decided to purchase the Korg Legacy 2007 collection, since I
> don't own any official emulation synths. It will be nice to have a
> backup if one of these go down again. It just kind of makes sense

to

> perform with a controller and laptop, this synth belongs in the
> studio, less gigging with it means less repairs. I just hope the
> software version sounds pretty good, I imagine it does!
>
> Working with the Mono/Poly and Polsix has been taxing because of
> frequent repairs (and I cannot afford to ship them out for
> professional work) but still very gratifying. The only thing that
> bothers me about the Polysix is the key contacts, I've tried

multiple

> repair techniques without a solid fix. I tried a few methods, one
> recently which worked great for a month or two, and now a number of
> the keys are back to not playing, or intermittent. I also used the

MG

> Electronics keypad repair kit, which worked great on my Mono/Poly,
> still working 10 years later with no key dropouts, but the Polysix
> for some reason has always had a problem.
>
> Anyways, I'm so glad it's working again. Back to normal.
>
> Rich
>
>
>
> --- In korg_mono-poly@yahoogroups.com , "hoggybogger"
> <hoggybogger@> wrote:
> >
> > Thanks for the reply Florian - I am wondering where to measure on
> the
> > low/mid/high switch, there are eight points - do I just choose

any

> > one of the four pairs and do them across
> >
> > I'm confused on how to measure the VCA out and VCF out

testpoints,

> > would I be looking for some kind of voltage reading, or is that

for

> > placing the output to an amp like an audio cable to test for

sound

> >
> > Thanks again for your help, I will have a chance to test some
> things
> > out when I get out of work in around five hours.
> >
> > Rich
> >
> > --- In korg_mono-poly@yahoogroups.com , Florian Anwander
> > <fanwander@> wrote:
> > >
> > > Hi
> > >
> > > hoggybogger schrieb:
> > > > The only sound I seem to be able to get out of this, with it
> > > > completely cranked up, is when the noise potentiometer is
> turned
> > up,
> > > > and the resonance and cutoff turned up. I can get a very

faint

> > hissy
> > > > noise when I'm playing, and if I turn the resonance and

cutoff

> > while
> > > > playing it changes the noise like you'd expect it to. Just
> almost
> > > > completely inaudible, this was all the way up and then fed

into

> a
> > > > mixer with the gain all the way up.
> > > This is good. It says the SSM2044 is not broken.
> > >
> > > > I took the knobs off and backed the nuts off the pots, and

took

> > the
> > > > CN16 connector off and measured pin 3, but I didn't seem to

be

> > > > getting anything. Should I be measuring it from the wire
> harness
> > that
> > > > goes into it That's where I measured it. I could be doing
> > something
> > > > wrong. I did not check the CN2 pin 3, I was having difficulty
> > finding
> > > > it and had to quickly come up with an alternate solution for
> > > > performing this wednesday night.
> > >
> > > Basically I still think it is something not very troublesome;
> maybe
> > the
> > > low/mid/high-Levelswitch or the volume potentiometer is dirty

or

> > (in
> > > worst case) broken. But both you could temporarily heal by
> bridging
> > them.
> > >
> > > You may try to measure (or listen with an cable) to the

following

> > > testpoints:
> > >
> >
>

http://fa.utfs.org/diy/korg_monopoly/mp_13_klm_353_layout_testpoints.j

> > pg
> > >
> >
>

http://fa.utfs.org/diy/korg_monopoly/mp_14_klm_355_layout_testpoints.j

> > pg
> > > These show the pcbs from the solderside, so you don't have to
> > remove the
> > > pcbs from the front. The testpoints are marked yellow.
> > >
> > >
> > > Florian
> > >
> >
>