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M50 freeze while playing (note on forever, no button works)
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tek



Joined: 25 Mar 2010
Posts: 23

PostPosted: Wed May 26, 2010 2:49 am    Post subject: Reply with quote

kimu i have the same problems from time to time ..its not the power supply its just something that has not yet been fixed by korg
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John Hendry
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Joined: 23 Jul 2007
Posts: 423
Location: America

PostPosted: Thu May 27, 2010 7:52 am    Post subject: Reply with quote

M50 serr# 006032

No problems.....one time freez but voltage was low and pluged into 120 db max level filter

Put it in 75db and never happened again on that wall plug.

John^^
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Alp
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Joined: 09 Jan 2010
Posts: 137

PostPosted: Sat May 29, 2010 7:15 am    Post subject: Reply with quote

My M50 serial number 00006414. Purchased fall 2009.

Started acting funny about a month or two after I bought it (freezing up, nothing would work).
Took it in for repair under warranty. Seems ok now.
I posted this original problem under another thread.

Alp
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kimu
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Joined: 29 Aug 2007
Posts: 1133
Location: Italy,Milan

PostPosted: Sun Jun 20, 2010 7:13 pm    Post subject: Reply with quote

hi everybody, just to write the end of the story...

I have sent my m50 to Korg Italy tech assistance, they kept it for about 4 weeks and finally get the right capacitors from Korg to be placed in m50 in substitution of original ones.

now my m50 works (finally) again as before.

very strange to heard, tech assistance reports they weren't able to replicate the freezing of the board... quite strange since it happens to as soon as i turn on m50 both at home and at rehearsal
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outsider9
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Joined: 29 Aug 2009
Posts: 110
Location: Uruguay

PostPosted: Thu Jul 01, 2010 8:10 pm    Post subject: Reply with quote

My S/N is 010146. 61 keys. No issues.
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Rishat
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Joined: 31 Jan 2010
Posts: 107
Location: Bangladesh

PostPosted: Wed Jul 28, 2010 7:34 am    Post subject: Reply with quote

The serial of my M50-61 is 015208 AM I SAFE?? Shocked
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DoctorMo



Joined: 10 May 2010
Posts: 41

PostPosted: Sun Oct 24, 2010 1:56 pm    Post subject: Reply with quote

Rishat wrote:
The serial of my M50-61 is 015208 AM I SAFE?? Shocked


My wife's SN is 14673. Recently, her M50-61 has been freezing more frequently.

It froze several times at a gig, last night. This morning, I plugged it in, at home, to see if the problem was related to the venue's dirty power. At the very first power-up, this morning, the M50 froze and had to be restarted.

It's getting worse and worse, so I'm sure the caps need to be replaced, as well.

This is very disappointing.
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akmon
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Joined: 15 Jan 2009
Posts: 219
Location: Spain

PostPosted: Sun Oct 24, 2010 8:21 pm    Post subject: Reply with quote

Very bad news, because your SN is very high, so it also happens to more recently units. Evil or Very Mad
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haleyeahproject



Joined: 22 Oct 2010
Posts: 5
Location: Oregon

PostPosted: Tue Oct 26, 2010 3:52 am    Post subject: getting the update?? Reply with quote

How exactly do you install the update for these problems. I have just about had it with this keyboard!!! I do lots of shows using live loops with kaoss Pads and i love love love korg but this is turning me to the darkside of the company. So if there is any remedy to this solution, please please please give me a laymen's point of view. My serial # is 003707.. Thank you!!
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kimu
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Joined: 29 Aug 2007
Posts: 1133
Location: Italy,Milan

PostPosted: Tue Oct 26, 2010 7:12 am    Post subject: Reply with quote

you have to bring back m50 to local korg tech assistance and they will replace some bad capacitors with new ones.

unfortunately, so far neither korg nor any assistance center had explained exactly which capacitor are to be changed, so a Do-It-Yourself repairing seems to be not possible...
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mtps
Junior Member


Joined: 17 Mar 2004
Posts: 51
Location: Greece

PostPosted: Sat Oct 30, 2010 12:42 pm    Post subject: Reply with quote

My M50-61 has SN: 10164 and working perfect. Very Happy
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Alp
Full Member


Joined: 09 Jan 2010
Posts: 137

PostPosted: Tue Jan 25, 2011 5:54 am    Post subject: Reply with quote

Wow, SN 14673 showing the problem!
That's high.

My brother wants to get one like mine (M50). How is he supposed to know if he is getting a good one?
How do we know that the problem has been solved?
I think Korg should replace the Caps REGARDLESS of when the problem pops up, or have a service bulletin out so people can take their units to the nearest service center to get it fixed as a recall.

Alp
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manjeroque
Junior Member


Joined: 13 Oct 2010
Posts: 76

PostPosted: Tue Jan 25, 2011 12:46 pm    Post subject: Reply with quote

my M50-73 serial number is #003555 and never had a problem Laughing
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rbrucemtl



Joined: 04 Oct 2008
Posts: 16

PostPosted: Sun Jan 30, 2011 2:28 pm    Post subject: Ideas... Reply with quote

My M50 is SN 5580....

I have had freezes but it was always related to other MIDI equipment connected and sending the M50 some bad signals make sure all your devices are setup properly... do all of you have these freezes while your M50 is working alone or connected to a MIDI network?

My M50 works perfect while used properly... Just a thought.
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mrteclas
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Joined: 20 Nov 2010
Posts: 103

PostPosted: Sun Jan 30, 2011 5:30 pm    Post subject: Reply with quote

My M50 is #017807. It freezes every time I unplug it to move it somewhere else. If I turn it on and off step by step, it works fine, if not, it freezes, and needs to be shut down and powered again.

I'm taking it to tech service in a week or two (they are on vacation)
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