We'll i think at some stage i have plugged the wrong AC adapter into it and when i did the audio In lights (both one and two) light up green (very slowly) and then die down and the microkorg doesnt turn on. can someone tell me what this is and how i can repair it?
I can tell you what it is from first-hand experience. The audio in LED's coming on and going out means that a power supply putting out more than 9 volts DC was used...or the wrong polarity. Korg sells a repair manual for about $12 but they ultimately need a whole new circuit board. If the wrong polarity supply was used, then maybe only a diode was damaged. This would be a cheap fix. But more than likely it knocked out one of the large surface mount IC's that us techs don't even dare to replace. Korg charges around $280 for a new circuit board. A used working microKorg sells for this much.
Honestly, I would stay away from Korg products and many others. Many companies are now using surface mount components which are cheaper and harder to fix. Moog synths are expensive but they are completely fixable(and are built to last). If Korg would install a $0.25 voltage regulator on the input of the DC jacks, the unit would be saved. I think this pretty much sums up the build quality. This is probably not what you wanted to hear but is how it is unfortunately.
Im having this same problem but my microkorg still works as a midi controller i just cant get any sounds when i plug it into an amp any help?
Im having the same problem with my MS2000R (which is pretty much the exact same) and finally, I think i may have found the solution.
It sounds like your power chip is blown (DSP56362 chip) They are inexpensive ($7.50) but I havent yet looked into replacing it. The company that sells them is called Freescale.
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