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Crazydutch
Joined: 08 Aug 2012 Posts: 2
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Posted: Sat Aug 04, 2018 7:08 am Post subject: K2, from 2018. Sound stopped. |
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Hello all,
Yesterday, during practice, my Kronos went silent. Everything else seemed to work, but it refused to speak to me.
I had to reboot to get it to work again.
This never happened with my previous K1, from 2012.
Has anyone else seen this behaviour, and is Korg aware of and working on this problem?
Thanks _________________ Korg Kronos 2-61
Korg Nanopad 2
APC BackUPS ES 400VA |
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benny ray Platinum Member
Joined: 28 Nov 2014 Posts: 628
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Posted: Sat Aug 04, 2018 7:26 am Post subject: |
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Is the Kronos 2 working properly now? Do you have an UPS for power surges, etc. _________________ K2 Kronos 88, Mojo 61, Korg CX3, Roland FANTOM 7 |
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19naia Platinum Member
Joined: 29 Nov 2012 Posts: 1216
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Posted: Sat Aug 04, 2018 9:46 am Post subject: |
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Were there USB and/or midi devices plugged in? Only time i had such issues was with all those plugged in and crashing the system USB line events or signals. In some cases, all i did was unplug the USB line and plug it in again.
Not sure i know of a computer based sytem that does not ever crash. |
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GregC Platinum Member
Joined: 15 May 2002 Posts: 9451 Location: Discovery Bay (San Francisco Bay Area)
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Posted: Sat Aug 04, 2018 4:27 pm Post subject: Re: K2, from 2018. Sound stopped. |
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Crazydutch wrote: | Hello all,
Yesterday, during practice, my Kronos went silent. Everything else seemed to work, but it refused to speak to me.
I had to reboot to get it to work again.
This never happened with my previous K1, from 2012.
Has anyone else seen this behaviour, and is Korg aware of and working on this problem?
Thanks |
It is unnerving to experience that.
How old is your K2 ?
Can you recreate exactly what you were doing and duplicate the shut down ?
To better focus on your K2, more info would help. There are numerous variables. _________________ Kronos 88. MODX8
Achieve your musical dreams
https://soundcloud.com/user-898236994 |
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Xenophile Senior Member
Joined: 14 Nov 2017 Posts: 340
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Posted: Mon Aug 06, 2018 7:44 pm Post subject: |
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I had a similar issue with an open-box K2-61 that I bought in the fall of 2017. On the second show that I worked with it, all was well during sound check. I left it powered on for another hour or so before showtime. Showtime arrives, and I had no sound from the Kronos. Nothing from the L/R outputs or the headphone output. Display indicated no problems. I shut it off and rebooted it a couple times. Still no sound. I had to scramble to borrow another keyboard for the gig.
When I brought it home the next day and tried it, I still had no sound. So I took it to the nearby Korg authorized repair shop. Of course, when they powered it on it worked perfectly. I asked them to open it up and check for loose connections. They did that, and noted that several of the board-to-board connectors inside were not fully seated. They re-seated all the connections, closed it up and sent it home with me. I have not had a problem with it since then. Keeping my fingers crossed.
I have since found a schematic for an earlier version of Kronos. I'm not sure how much different it is from the current K2. But I noticed when looking at the audio output circuits, that there is a transistor circuit to mute all the outputs... apparently when some fault is detected at the output connectors. It might be that the loose connections on my unit caused that muting circuit to activate. |
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Tfortexas
Joined: 14 Nov 2017 Posts: 26
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Posted: Tue Aug 07, 2018 12:19 am Post subject: |
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Experienced a similar problem today believe it or not. I found that when I had loaded some preset files it actually would change my global settings every time and under the midi tab the local control would be switched to off. I turned the local control back on and replugged everything back on and it worked again. Hope you get it going again |
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