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Korg Forums A forum for Korg product users and musicians around the world. Moderated Independently. Owned by Irish Acts Recording Studio & hosted by KORG USA
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NavidSyed Full Member
Joined: 25 Jan 2002 Posts: 207 Location: Orlando, FL.
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Posted: Mon Jul 02, 2018 7:36 pm Post subject: Korg M3 wont power up |
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so it was working fine, turned off o/n next morning completely dead, no power at all, no power surges and it was connected through Furman power conditioner so I opened it up and took the K300 power adapter to local electronic store the power brick (adapter) is working fine, what else can go bad? the power board consist of resistance/ capacitors I have no way of testing them, throw me your thoughts, called the local Korg service center they told me they do not repair Korg M3 anymore as they are not able to orders parts for it.. |
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SoundWerx
Joined: 10 Oct 2011 Posts: 28
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Posted: Mon Jul 02, 2018 9:48 pm Post subject: |
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Hello. The power board is KLM-2700. Have you conducted a visual inspection of this board? I'm not sure it's of use to you as you've already had your power supply bench tested but you could take a look at this thread:
https://www.karma-lab.com/forum/showthread.php?t=19621
Check that glass fuse!! I would be looking at that guy first. The service manual describes it as:
500464071003 FUSE FUSE 125V 4A 0233004.MXP 1
Available at tons of places including:
https://www.mouser.com/ProductDetail/Littelfuse/0233004MXP?qs=WtG364jHAdwH8EdkOD5HrQ==
If that's blown then that's an easy fix. However if you replace it AND it continues to blow then you have a more serious problem. |
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NavidSyed Full Member
Joined: 25 Jan 2002 Posts: 207 Location: Orlando, FL.
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Posted: Mon Jul 02, 2018 11:20 pm Post subject: |
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thank you for the suggestions and links I will update you how it goes, thanks again |
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NavidSyed Full Member
Joined: 25 Jan 2002 Posts: 207 Location: Orlando, FL.
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Posted: Sat Aug 04, 2018 7:37 pm Post subject: |
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so just to update, the power board (part KLM-2700) was bad I replaced it actually had to buy the the whole power unit from eBay which included a new power adapter and assembly, but so far all is working well. fingers crossed |
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