MaxiKORG DV800 CV/Gate mod ?

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Rqckmounted
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Post by Rqckmounted » Sun Jul 01, 2012 7:21 pm

OK Thanks

I think I have figure it out.

Now I have just realize that I forgot to order 2x 47 ohm resistors.

47 OHM 1/4W 5% Carbon Film Resistor

just to add on the list for other users.

Rqckmounted
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maxikorg CV/Gate modification need to hold a note work??

Post by Rqckmounted » Sat Aug 04, 2012 12:33 pm

Hi Everyone

The upper section w the nonlinearcircuits mod ( CV & Gate ) is done, it is working only if I press a key.

any clue if it is possible to make it work without pressing a key ?

Please note that I have only connect/solder the CV 1, Gate in 1 & EG ( 2nd pin on the pcb )

Have a hot & nice day

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andrewF
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Post by andrewF » Sat Aug 04, 2012 8:01 pm

good to hear the project is making progress :party:

It should be wired up so the keyboard is switched out of the circuit when using the external inputs and would have no effect at all.
Which is "Gate in 1"? Do you mean the S&H Gate or the Repeat gate?

I guess try wiring in all 3 gate connections.

Rqckmounted
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Post by Rqckmounted » Sat Aug 04, 2012 8:08 pm

aahhh ok

now it is working

I have realize that the SH is need to be solder to make the full gate usable.

now I wonder if I need to solder the 2 rpt ( one for each cv ) together on the same RPT Mod wiring .??!

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andrewF
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Post by andrewF » Sat Aug 04, 2012 8:28 pm

Rqckmounted wrote:aahhh ok

now it is working

I have realize that the SH is need to be solder to make the full gate usable.

now I wonder if I need to solder the 2 rpt ( one for each cv ) together on the same RPT Mod wiring .??!
good to hear (read)
I suggest using a toggle switch to select which gate will control RPT.
Check pg1 of the build doc, there is a pic showing how to do it
You do not have the required permissions to view the files attached to this post.

Rqckmounted
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Post by Rqckmounted » Sat Aug 04, 2012 8:49 pm

ohh ok right

I guess I have learn the hard way ( didnt know there was a manual )

What could happen if I connect the 2 RPT on the same distination.,, could it overload the voltage.?

The problem is that my Maxikorg repeat function doesnt work on the upper section , only the lower and only 1 mode is working..

I'm wonder if it is really worth to make it work since I will control it with external Control voltage.and gate

thanks

Rqckmounted
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Post by Rqckmounted » Tue Aug 07, 2012 2:53 pm

Image
Image
Image


VOILA

now I only need to figure out how and where can I place the pcb inside this monster beast,..

As you can see I have cut off the keyboard off by hand with a metal saw (made alot of muscles !!:))

If you look the 3rd picture you can see that there is some traveller control input so I guess I could control them via cv if I change the connectors..

Now I need to finish the body & paint the woodside panel and then I am very happy

I am able to control cv with my Doepfer MCV 24 but the tracking is not scaled correctly, I have tried to get some info but it seems that the MCV 24 is not able to make the proper convertion in Hrtz...


Stay tuned..
[/url]

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andrewF
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Post by andrewF » Tue Aug 07, 2012 8:03 pm

good to see

:tu:

Duchemole
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Post by Duchemole » Mon Sep 10, 2012 6:28 am

Hi,
Do you have at least 1 left, please (ok, 2 would be even better)
Thanks

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andrewF
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Post by andrewF » Mon Sep 10, 2012 6:45 am

Hi
yes, a few left
You only need one PCB per 800DV

will send you a message

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Reese P. Dubin
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Post by Reese P. Dubin » Mon Sep 10, 2012 12:06 pm

Makes me sad seeing one of my favorites all hacked up :confused:

redragebrian
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Post by redragebrian » Thu Sep 13, 2012 4:51 pm

Hi, I'd like to buy one of these boards from you. Do you have any left?

Regards

Brian

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andrewF
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Post by andrewF » Thu Sep 13, 2012 5:49 pm

yes 2 left...........1 left - sent you a pm

edit - sold out
I will get ten more in about 2 months

Rqckmounted
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Maxikorg 800 dv mod

Post by Rqckmounted » Tue Nov 06, 2012 11:33 am

Hi andrewF


Still have a Maxikorg mod pcb left ? or does your new batch is ready ?


Regards

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andrewF
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Post by andrewF » Wed Jan 02, 2013 11:42 pm

boards are back in stock

Spacetrader
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Korg boards

Post by Spacetrader » Tue Jan 08, 2013 7:17 am

Can I order 2 ?
( I have several maxis)
Greg

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andrewF
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Post by andrewF » Tue Jan 08, 2013 8:55 am

sure can
pm sent

Welcome to Muffs btw :champagne:

Sir Ruff
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Post by Sir Ruff » Tue Jan 08, 2013 1:29 pm

Someone sell me their maxikorg so I can add cv/gate to it! 8_)

Spacetrader
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Post by Spacetrader » Tue Jan 08, 2013 5:44 pm


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Yip2
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Post by Yip2 » Tue Jan 08, 2013 5:53 pm

Switched-On just put one up for sale on their site:
http://switchedonaustin.com/products/ko ... x-korg-800

Sir Ruff
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Post by Sir Ruff » Tue Jan 08, 2013 6:39 pm

Yip2 wrote:Switched-On just put one up for sale on their site:
http://switchedonaustin.com/products/ko ... x-korg-800
Thanks! But pricewise, ouch! Never seen one go for that much.

conno
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Post by conno » Mon May 13, 2013 11:07 pm

andrewF
HI there AndrewF,
I'm new to muffwiggler. Been a vintage synth tech since '79, mostly in Los Angeles. I was wondering if you still have info on modding the Maxi Korg to have a decent version of a cv & gate retrofit ?
Thanks
Tim

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andrewF
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Post by andrewF » Tue May 14, 2013 3:00 am

Hi conno
welcome to muffs

All the info is in a zip from HERE zip 1.9Mb (or see the post halfway down page 1 of this thread)

Also Cykong's page contains the same info and other mods, HERE

Pretty sure I still have some PCBs left, if you need some, send a pm and I will have a look in the shed. Build notes for the PCBs are HERE

conno
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Post by conno » Tue May 14, 2013 7:54 pm

Hey again AndrewF
thanks. I'd like to take advantage of this already being made up, so yes, I'm interested. What kind of $ do you need for it? Can you accept a Paypal ?
Thanks again
Tim

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mmp
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DV800 Board

Post by mmp » Thu May 23, 2013 5:02 am

Whoops... meant to send PM..

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