Hi,

I assume your MIDI-Extension is a MIDI to CV/Gate Interface.
What voltage does a voltmeter read at the gate-output of this interface
If this voltage behaves also inverted, then it is perhaps an failure or
misconfiguration of this interface.

Florian

hoggybogger schrieb:

> Yes, there was only one wire that was suspect, and I just double
> checked the wiring via the midijack installation page.
>
> The only other things I had done, were reseat the connectors on the
> board with the VCA and VCF on it, and the connectors on the board
> with the volume pot. I just checked them again, everything is seated
> fine.
>
> It is only making sound on the release of the key, not the initial
> press. And the VCA controls seem wrong, they're working but in a
> strange way it seems. I'm very confused by this.
>
>
> --- In korg_mono-poly@yahoogroups.com , Alan Dicker <alanmdicker@...>
> wrote:
>> Did you re-wire the midi jack correctly  have you the original
>> installation instructions to hand
>>
>> --- On Wed, 11/2/09, hoggybogger <hoggybogger@...> wrote:
>>
>> From: hoggybogger <hoggybogger@...>
>> Subject: [korg_mono-poly] Re: No sound output from main out or from
> headphone out! FIXED!
>> To: korg_mono-poly@yahoogroups.com
>> Date: Wednesday, 11 February, 2009, 4:23 AM
>>
>>
>>
>>
>>
>>
>> It's from the internal keyboard, nothing external plugged in. So
>> frustrating.
>>
>> --- In korg_mono-poly@ yahoogroups. com, Chase Smith <plus_321@ .>
>> wrote:
>>> From the internal keyboard or an external keyboard (CV/MIDI).
>>>
>>> If it is from an external keyboard, then check the s-trig switch
> to
>> make sure it is set on v-trig. It sounds like it is getting a
>> constant gate so it has something to do with the s-trig/v-trig
>> conversion.
>>> Chase
>>>
>>> --- On Tue, 2/10/09, hoggybogger <hoggybogger@ ...> wrote:
>>> From: hoggybogger <hoggybogger@ ...>
>>> Subject: [korg_mono-poly] Re: No sound output from main out or
> from
>> headphone out! FIXED!
>>> To: korg_mono-poly@ yahoogroups. com
>>> Date: Tuesday, February 10, 2009, 9:20 PM
>>>
>>> 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
>>>>>>
>>>
>>>
>>>
>>> ------------ --------- --------- ------
>>>
>>> Yahoo! Groups Links
>>>
>
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