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So Sorry to hear about your m3 KLM2700 and the 12v issues. I can help you send me your email and contact number in Pm, perhaps when we talk i can provide you with accurate advice.

I took it to authorized korg repairer it cost me $70 to repair the power board , some modification was made to provide 5v. Please contact me for more help on this issue .

I repaired the PSU and its working well now. thank you for your feed back.

Initially I had to calibrtate evry time i power the keyboard, after some time it became worse, and i could not calibrate any more... Now its fixed, and i did not have to replace it :) :). My Touch panel still working for 3 weeks without replacing the touch panel. My steps to fix as follows: 1- I cut ...

You should contact Korg US or Canada, and talk to there IT support. also send them email.
There should be a way to boot as back door to the operating system in M3. If i find any thing related to your issue in the meantime, will let you know.

[quote="winged EEL"]My M3 73 Xpanded is frozen on start up, and says "updating left panel" then, "updating right panel" then it says "PSoC update error has occurred" ---------------------------------------------------- Try M3 Test mode How to enter the test mode -Tset mode to confirm that the keybed ...

My m3 Touch panel still working 100% for one week without having to replace the touch panel. To be honest, i could Not calibrate any more what ever i do for 3 week, but since i downloaded the update , i left on for 2 hours and Wow it worked as good as new. Please guys don't rush into going major ...

My m3 Touch panel still working 100% for one week without having to replace the touch panel. To be honest, i could Not calibrate any more what ever i do for 3 week, but since i downloaded the update , i left on for 2 hours and Wow it worked as good as new. Please guys don't rush into going major ...

It appears to be a software glitch from korg. I had same problem, I fixed it without changing the the touch panel. I downloaded the last system update for M3, follow instruction from PDF... Then it corrected the touch panel, and able to calibrate it. The update is "M3XP_V205_E1" from korg web site ...

Thanks Viop, it cost me $70 to repair the power board , some modification was made to provide 5v.
One more thing i installed the m3 update "M3XP_V205_E1" its a fix for the touch panel... and seems to fix issues with my touch panel.

Good news got the power board fixed today and all working again. so happy it was not major. thanks guys for you inputs to this issue.
The cause: was 5v output to function board was not present!!!

Voip, I wonder if you had this issue beforehand? I will take the m3 to service centre soon and try to repIr the power board output.

Hi,can you tell me how you got it fixed, and what parts did you have to change... I have same exact issues like yours.
regards

Thanks Bald, I did test the power board output 5 pin jack to function board its suppose to provide 3.3v and 5v, i found there is No 5v out supply at all, and only 3.3 is coming out. This means that 5v supply is missing ! Now Korg dealer don't the supply board KLM 2700-1 on its own! They sell it with ...

Thanks Mate for your reply, its very strange thing. Since all Items need some sort of power, like 5v to 3v, it could be the power board. Thats where my head is telling me, but not sure. When you turn the power on the m3 should the light on the pitch bend come on same time? or after loading the ...