its easy to see and you dont have to remove any
keys to do it
remove the keybed and turn it upside down you can
see all the contact springs just check for dirt and fluff you can clean the
contacts with iso alcohol and a contont wool bud
just check every spring contact to make sure none
are bent if they are gently bend them back to there correct
position
----- Original Message -----From: jammieSent: Saturday, May 12, 2012 9:39 AMSubject: Re: [vintagesynthrepair] Korg X5 keys not working
they are yamaha keybedstheres a metal contact sping that when you press moves down onto a contactsome times they get a little bent and when pressed they dont make contacttheres also a big return spring that returns the key to its upright positionthese metal contact strips can also snap offif this is the case then you have to replace the contact boardthis means desoldering an octave of the contact boad unscrewingand removing then you have to solder in the new contact boardall parts are available from yamahaas korg will not support you device any longer and dont stock parts for keyboards after 6 yearshopefully its just the bent contact spring which needs adjusting back to it original positionyou can see this by looking at the other contact springs----- Original Message -----From: paxetySent: Saturday, May 12, 2012 1:33 AMSubject: [vintagesynthrepair] Korg X5 keys not workingI have a Korg X5 bought new in 1995 or 6 - after sitting in a closet for a few years, a few of the keys no longer play. I connected it to a computer, and all of the notes trigger through midi, so the problem is probably in the key contacts.
Does anyone know anything about what kind of contacts are in there? Know who made the keyboards? Are they maybe Fatar units with the common double bubble key contacts, or something else?
I can't seem to find a service manual and the owner's manual is no help.
Thanks,
John