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Korg Ms20 mkII tracking problem, please help me!
Old 1 week ago
  #1
Gear Head
 
artichoke wave's Avatar
Korg Ms20 mkII tracking problem, please help me!

Hi everybody, I need some help for fix my Korg ms20 mkII, the vintage one. Picked up for cheap in bad aesthetic conditions and dirty but, as the seller said, working order...

There is a problem with the keyboard tracking, I've done a reflow and checked with multimeter in the keybed pcb, seems ok but the issue still there
If I made a scale is out of tune, if I press C#1 in 8' then C#2 in 16' is not the same note, is like C#1 in 8'= C2 in 16', not C#2, but isn't perfect... hope you understand


tested with the keystep by cv there are no problems, the tracking is perfect

What can I do?

Thank you all
Old 1 week ago
  #2
Gear Nut
 

in the service manual there is a calibration routine for the keyboard cv

last page:
http://www.synfo.nl/servicemanuals/K...ICE_MANUAL.pdf
Old 1 week ago
  #3
Gear Head
 
artichoke wave's Avatar
Quote:
Originally Posted by cs1729 View Post
in the service manual there is a calibration routine for the keyboard cv

last page:
http://www.synfo.nl/servicemanuals/K...ICE_MANUAL.pdf
Thank you! so isn't an hardware problem?

sorry but, how can i put the voltmeter in the KBD cv out?
Old 1 week ago
  #4
Gear Nut
 

use the kbd cv out from the patch bay. plug in a patch cable and use the ground (sleeve) and cv (tip) to measure. use alligator clips if you have them.

Quote:
Originally Posted by artichoke wave View Post
Thank you! so isn't an hardware problem?

sorry but, how can i put the voltmeter in the KBD cv out?
Old 1 week ago
  #5
Gear Head
 
artichoke wave's Avatar
Quote:
Originally Posted by cs1729 View Post
use the kbd cv out from the patch bay. plug in a patch cable and use the ground (sleeve) and cv (tip) to measure. use alligator clips if you have them.
No, I need to buy the alligator :(


Let's try, Thank you again!!
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