power supply/transformer making constant buzzing noise

joenemeth1 · Post by **joenemeth1** » Sun Jun 27, 2010 2:29 am

I bought an emx, and a couple days after i got it the power supply started buzzing. anything to worry about?

xmlguy · Post by **xmlguy** » Sun Jun 27, 2010 7:12 am

You bought it new or used? New, return it. Used, you got scammed - the seller knew it did that. Something magnetic/ferrous in the transformer is chipped, cracked, or loose, causing it to vibrate at 60Hz with the EMF field. It's probably harmless, if the aggravation of hearing buzzing forever could be considered harmless. Someone who knows electronics could probably open it up to see what actually causing the buzzing, then secure or remove it. It's not something I'd recommend doing on your own if you don't know what you're doing, since it may need to be powered up and require a lot of precaution from the shock hazard to identify the problem while the circuit is exposed.

joenemeth1 · Post by **joenemeth1** » Fri Jul 02, 2010 4:42 am

Yeah i got it brand new. yeah i think i'll have a friend of mine take a look at it. otherwise how fast is korg with warranty stuff? such as repairing or replacing the power supply?

thanks

xmlguy · Post by **xmlguy** » Fri Jul 02, 2010 6:04 am

If your friend opens it up, it will void the warrantee. If you got it from a store, return it back to the store to exchange it for a working one, if you are still in the return period. Otherwise you'll have to send it to Korg. I don't know how long it will take. If you're out of the store return period you don't have much choice for a free repair. You might need to buy a spare if you can't be without one while waiting for the replacement.