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#1956170 - 09/08/12 11:30 PM Technics Key Replacement
Bizologist Offline
Junior Member

Registered: 04/05/12
Posts: 3
I have a Technics Digital SX-PR903C that needs some key tops replaced. Does someone have key tops for sale? I also need instruction and advice on how to replace them?

The keys needed are 2-F, 2-G, 2-A, B, 2-C, D, E.

Thank you
Harold Hoffmann

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#1956317 - 09/09/12 10:18 AM Re: Technics Key Replacement [Re: Bizologist]
dmd Offline
2000 Post Club Member

Registered: 04/15/09
Posts: 2690
Loc: Pennsylvania
Well, I can help with the ADVICE part.

Take it to your local piano dealer and let them do it.

Current: ES8, Focusrite Scarlett 2i4 audio device, SennHeiser HD598 Phones, Focal CMS 40 Powered Monitors, JBL LSR305 Powered Monitors, Pianoteq 5,TruePiano,Ravenscroft275,TrueKeys American,Galaxy Vintage D,Ivory II,Alicia's Keys,CFX Concert Grand, The Grandeur

#1956349 - 09/09/12 11:02 AM Re: Technics Key Replacement [Re: Bizologist]
rnaple Offline

Silver Supporter until April 24 2014

Registered: 12/23/10
Posts: 2199
Loc: Rocky Mountains
As I understand. Korg is using the Technics keybed. Same one on the SP250. You might talk to Korg service?
Your brain is a sponge. Keep it wet. Mary Gae George
The focus of your personal practice is discipline. Not numbers. Scott Sonnon

#1956396 - 09/09/12 01:05 PM Re: Technics Key Replacement [Re: rnaple]
ando Online   content
4000 Post Club Member

Registered: 11/23/10
Posts: 4816
Loc: Melbourne, Australia
Originally Posted By: rnaple
As I understand. Korg is using the Technics keybed. Same one on the SP250. You might talk to Korg service?

Are you sure about that? I really doubt it. The Technics is a much older generation of instrument, made by a totally different manufacturer. Korg SP250 uses the RH3 action which appeared a long time after Technics disappeared as a company. In fact, I can't see how there could be any connection between these two models.


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#1969640 - 10/07/12 12:25 AM Re: Technics Key Replacement [Re: Bizologist]
Bizologist Offline
Junior Member

Registered: 04/05/12
Posts: 3
I found the link to place order for parts:

I also replaced the 3.5 floppy drive with a GoTek USB floppy emulator. It works very well but the floppy controller in the piano is slow. I use a 4G memory stick and the GoTek sees it as 100 floppy disks which are addressable. Cost 27.95 on eBay.

Repairing the keys I am using several approaches. I have first used an acrylic plastic polish. This has smoothed much of the damage and now playing the piano the damage is hardly noticeable.

Next I plan to use an acrylic repair kit. This is clear material that can fill pits and cracks etc.

Lastly then move some keys and also order replacements for a few of the severe keys. I did find a service manual for 5.00 on the Internet and it explains in detail how to replace keys.

So far I am pleased at the capability of this DP even tho it is 10 years old. It has features that many of the newer ones still don't have.


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