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#1719560 - 07/23/11 08:49 PM "Clicky" Korg Keys
Bob M Offline
Full Member

Registered: 01/02/09
Posts: 208
Loc: North Carolina
So many comments about this (just read the thread on the SV-1) I thought I would relate my experience, for what little it may be worth.

Just a few months after my SP-170 came, I started to notice an annoying clicking on the release of about 7 keys around middle C. There was also a rattle when using it with the internal speakers that I had noticed, not a problem unless I carried the 170 out, because I use a 2.1 sound system at home.

So this incorrigible DIYer turned the thing over, removed about 36 screws, put it right side up again, and lifted off the cover/top, not knowing what I might find as to the noisy keys. But with the cover off, the clicking was gone!

Because of the rattle, I added some 1/8" thick foam weather striping on top of the little bit that was already there around the speaker "enclosure", and then put it back together. The keybed has been quiet ever since (about 10 hrs/week use for 6 months), and the speaker rattle is no more. My thought is that because of the added foam striping, there is more clearance between the edge of the top and the key tops. The keybed feels sooo much more expensive without the clicking.

I know the keybed is different on the SP-170, but perhaps a top/cover fitting problem is common to some of the other models. So if it's out of warranty..... PM me if you want more info.
Bob M

Charles Walter Model 1520
Yamaha NP 30, NP 11, PSR E333


Click Here

#1719861 - 07/24/11 09:37 AM Re: "Clicky" Korg Keys [Re: Bob M]
tinknocker Offline
Full Member

Registered: 12/31/09
Posts: 70
Loc: Key Largo, FL
I had a similar experience with the clicking keys on the SP-170. When I took it apart and manipulated the the key mechanism by hand, I could find nothing wrong, and the noise was mysteriously gone when I re-assembled it. The problem came back about a week or so later. I re-greased the mechanism with white lithium grease, and that seemed to cure the problem. It was never serious, but was annoying.

Another note on the SP-170: I reported a problem with the SP-170 only sending midi velocity data from 0-80, while others did not have this problem. I am using a Cakewalk UM-1G midi to USB converter which has an "advanced driver" setting for use with a custom driver for Windows. I don't need this since I am using Linux. Apparently the button got set by accident to the "advanced" driver which caused the problem.

#1719908 - 07/24/11 11:12 AM Re: "Clicky" Korg Keys [Re: Bob M]
Recaredo Offline
1000 Post Club Member

Registered: 05/04/11
Posts: 1094
Loc: Southeast of Spain
I’m another owner of Korg SP-170, but my problem with the keyboard is other one. Some keys have got unstuck from their mechanisms which make the hammer effect. When I press these keys, they make a strange and unpleasant noise and feel. I am really pressing the key and one little instant after, the key moves the hammer mechanisms under its surface, by clashing.

I found a similar noise on this video (minutes: 0:24, 0:33, 0:55, 1:04, 1:08...):

I can still send the piano under warranty, but I’d have to wait at least one month for the piano was repaired. I have thought of fixing it myself.

Do you have photos about the inside of this keyboard?. They would be very helpful.


My website

#1720120 - 07/24/11 06:09 PM Re: "Clicky" Korg Keys [Re: tinknocker]
vegasE Offline
Full Member

Registered: 06/21/11
Posts: 226
Loc: Sydney, AU
Good Information there.
Would love to see some pics of the inside. Not game enough to open my sp250.

Lots of talk about the clicky Korg keybeds.....some only a few months old. Mine was a floor model I got a great deal on....so I figured it's been sitting there for at least a few months and no clicks. Plus it came with a 5 year warranty. Would be interesting to see how noisy keys are dealt with under warranty. Touch wood I dont have to find out.

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#1720413 - 07/25/11 03:47 AM Re: "Clicky" Korg Keys [Re: Bob M]
Bogs Offline
Full Member

Registered: 04/17/10
Posts: 135
I have a SP250 and certain keys do make the "clicky" sound heard in the video. It is still under the 3-year warranty from Thomann, but since I don't live in Germany, it's not enough to send the keyboard in. As soon as I got the piano I noticed there was a key making a rather different noise than the rest, but I thought maybe it's just my imagination or it's a keyboard thing. Now there are at least 2 more keys that make the "clicking" sound. If played with headphones though, it cannot be heard. I'd be interested to see some photos with the repair too.

P.S: Because SP250 and SP170 have different actions (RM3 vs NH), I was apprehensive about posting...maybe it's not the same problem? But still, I recognize the clicking sounds in the video! Different actions, same problem? Can anyone with SP250 confirm this?
old Gaveau upright & Kawai CA63; previously Korg SP250

#1720432 - 07/25/11 05:27 AM Re: "Clicky" Korg Keys [Re: Bob M]
Pianero Offline
Junior Member

Registered: 07/15/11
Posts: 19
it's really a pity that such nice dp have all this problems, actually it seems like his price and all this experiences are telling that it's poorly made, here i found other video with keys making another annoying noise:

youtube users says that can be fixed, but really, why the people who buy a stuff have to fix the thing personally, knowing that are paying for something that is supposed to work fine and be good?

Edited by Pianero (07/25/11 05:28 AM)

#1720439 - 07/25/11 06:30 AM Re: "Clicky" Korg Keys [Re: Bob M]
Recaredo Offline
1000 Post Club Member

Registered: 05/04/11
Posts: 1094
Loc: Southeast of Spain
My current piano is not my first SP-170. When the first one arrived I had to return it, because of the keyboard made a noticeable “clank” noise. The second piano worked fine the first weeks. But since four months ago, more or less, the piano has got that problem.

I don’t know what to think about, whether I’m unlucky with Korg or the control quality by Korg is not very good.

My website

#1720455 - 07/25/11 08:12 AM Re: "Clicky" Korg Keys [Re: Bob M]
Bogs Offline
Full Member

Registered: 04/17/10
Posts: 135
Woo, my SP 250 definitely doesn't make the "clack" sounds from the second video! Are those the same as in the 1st video? I can't tell...then maybe I was wrong in the first place! I'll try to upload a video with what *I* think the problem is with my SP250. Sorry for maybe spreading misleading information frown
old Gaveau upright & Kawai CA63; previously Korg SP250

#1785760 - 11/09/11 09:07 AM Re: "Clicky" Korg Keys [Re: Bob M]
aviendha Offline
Junior Member

Registered: 09/19/11
Posts: 7
Loc: South Africa
Also experiencing a bit of a rattle on some of the keys. When keyboard is played at loud levels and only from speakers, not heard through earphones.

Have not yet returned to dealer - such a mission. Might do so soon though.
Always game for a DIY fix though smile

#1786139 - 11/09/11 10:50 PM Re: "Clicky" Korg Keys [Re: Pianero]
galaxy4t Offline
500 Post Club Member

Registered: 08/28/08
Posts: 866
Loc: Lakewood, CA
The sound in the video sounds like the hammer is hitting the case internally. This usually would happen because part of the felt damper has ripped, become compressed, or might have become unglued and hanging.


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