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Opening up Clavinova #1650171
03/29/11 10:55 AM
03/29/11 10:55 AM
Joined: Apr 2007
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doremi Offline OP
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I am 'doremi' because I play scales smile
Had I progressed to playing chords,
I would be 'domisol' shocked
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Re: Opening up Clavinova [Re: doremi] #1650386
03/29/11 04:34 PM
03/29/11 04:34 PM
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Gyro Offline
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Unbolt the keyboard assembly from the stand--the keyboard can be heavy on some models, 75 lbs. or more. The screws to disassemble the keyboard assembly will typically be on the bottom, or possibly on the back, that is, out of immediate sight, for appearance purposes. You simply remove all visible screws, and then the keyboard assembly will come apart so that you can see the innards: keyboard, electrical circuits, etc. The screws will typically be the phillips type. If you don't know what that means, this is going to be dicey.

Last edited by Gyro; 03/29/11 04:34 PM.
Re: Opening up Clavinova [Re: doremi] #1650413
03/29/11 05:07 PM
03/29/11 05:07 PM
Joined: Dec 2008
Posts: 3,842
Redondo Beach, California
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ChrisA Offline
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Redondo Beach, California
Originally Posted by doremi
I have an ancient Clavinova CVP-55 that I bought new in the early 1990's, for $4K shocked I would like to open it up and look at the action (long story).

Anyone knows how to open up a console type of Clavinova?


If it is like the new ones. First remove the stand (four machine screws) Then notice that the entire units is built on a thick wood (actually engineered chipboard) "foundation" There are threaded inserts pressed into the wood and then various parts are attached with machine screws.

I would keep the unit right side up maybe on an x-stand or saw horses and first remove the screws that hold the cover in place. Put an old bed sheet under the work area to catch tiny parts or screws you might drop. (finding a #4 spit ring lock washer in carpet is just not going to happen.)

Re: Opening up Clavinova [Re: doremi] #1650496
03/29/11 07:17 PM
03/29/11 07:17 PM
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doremi Offline OP
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I am 'doremi' because I play scales smile
Had I progressed to playing chords,
I would be 'domisol' shocked
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Re: Opening up Clavinova [Re: doremi] #1651047
03/30/11 01:46 PM
03/30/11 01:46 PM
Joined: Jan 2008
Posts: 483
Tweedpipe Offline
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Originally Posted by doremi
I have an ancient Clavinova CVP-55 that I bought new in the early 1990's, for $4K shocked I would like to open it up and look at the action (long story).

Anyone knows how to open up a console type of Clavinova?


Firstly, I feel that Gyro has never seen a Clavinova of this vintage from his comments, so DO NOT start by unbolting the keyboard assembly from the stand!
If it's anything like the Clavinova CVP-87A I once owned which was mid 90's vintage, I believe you should proceed as follows:-

Start from underneath the keyboard and locate two screws, one each on l/h and r/h sides. From memory these are probably of the Phillips type. Remove both. (Do not confuse these with 2 similar ones either side/more rearward which attach the keyboard to the stand).
With the screws removed this should then allow you to lift open the top board (directly rear of the keys) which hinges up and rearwards away from the keys. On the CVP-87A with this top board opened up, there was a metal prop stay which when inserted into a hole in the top board allowed it to stay open.
You should now have access to the guts of the machine allowing for removal of floppy disc drive, circuit boards etc.
Removal of the action requires a little more dismantling.
I hope this may be of some help. Please let us know.

Last edited by Tweedpipe; 03/30/11 03:56 PM.

Currently working on:-
C Major scale (r/h only - starting with the pinkie finger)......

Dear Noah,
We could have sworn you said the ark wasn't leaving till 5.
Yours sincerely,
The Unicorns



------------------------------

Re: Opening up Clavinova [Re: doremi] #1651556
03/31/11 10:01 AM
03/31/11 10:01 AM
Joined: Apr 2007
Posts: 1,834
doremi Offline OP
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doremi  Offline OP
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I am 'doremi' because I play scales smile
Had I progressed to playing chords,
I would be 'domisol' shocked
Re: Opening up Clavinova [Re: doremi] #1651808
03/31/11 03:19 PM
03/31/11 03:19 PM
Joined: Apr 2005
Posts: 4,534
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Gyro Offline
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Tweedpipe, your English is pretty good, certainly better than any American could handle German. But your screen name, Tweedpipe, makes no sense at all in any context in any dialect of English. You apparently like the idea of smoking a pipe in tweed; nevertheless, you cannot simply join these two words like this in English. Another example would be "corncobsportcoat"; these two words cannot be compounded like this in English. If you wanted to get across the idea that you like smoking a pipe in tweed, then you'd need to say something like "Tweed'npipe."

Re: Opening up Clavinova [Re: doremi] #1651829
03/31/11 03:46 PM
03/31/11 03:46 PM
Joined: Sep 2007
Posts: 14,836
Hamamatsu, Japan
Kawai James Online content
Yikes! 10000 Post Club Member
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Hamamatsu, Japan
Excellent advice.


Employed by Kawai Japan, however the opinions I express are my own.
Nord Electro 3 & occasional rare groove player.

"I agree that the User Manual is very good." - arc7urus, March 2019
Re: Opening up Clavinova [Re: doremi] #1651843
03/31/11 04:03 PM
03/31/11 04:03 PM
Joined: Dec 2009
Posts: 3,714
Suffolk, United Kingdom
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EssBrace Offline
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That's a first...the words "excellent advice" immediately follow one of Gyro's posts. The day had to come I suppose.


Roland RD-1000 | Yamaha CLP 645 | Broadwood Barless 7' 6"
Re: Opening up Clavinova [Re: doremi] #1651903
03/31/11 05:21 PM
03/31/11 05:21 PM
Joined: Sep 2007
Posts: 14,836
Hamamatsu, Japan
Kawai James Online content
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Now that I've had a little time to consider the importance of grammatical accuracy when penning online forum names, I'm wondering why it's not possible for a piece of tweed fabric to be rolled into a tube?

Cheers,
James
x


Employed by Kawai Japan, however the opinions I express are my own.
Nord Electro 3 & occasional rare groove player.

"I agree that the User Manual is very good." - arc7urus, March 2019
Re: Opening up Clavinova [Re: doremi] #1651914
03/31/11 05:38 PM
03/31/11 05:38 PM
Joined: Dec 2009
Posts: 3,714
Suffolk, United Kingdom
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EssBrace Offline
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It is possible. And what's more the concept is so appealing that if the name were not already taken, I'd adopt it. I'm currently toying with Tartantube or Plaidfunnel as alternatives.


Roland RD-1000 | Yamaha CLP 645 | Broadwood Barless 7' 6"
Re: Opening up Clavinova [Re: doremi] #1653137
04/02/11 01:41 PM
04/02/11 01:41 PM
Joined: Jul 2010
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mkhor Offline
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Doremi asked : Any ideas how I might unlock the front of the top cover?
Tweedpipe has suggested : Start from underneath the keyboard and locate two screws, one each on l/h and r/h sides.

Based on the more recent CVPs I have seen, there are "hidden" diagonally positioned screws just under the top cover at both end corners. Use a flashlight to shine into the corner gaps between the top cover and the body. You should be able to see one blackened screw in each corner. Simple, easy and smart way to secure the top cover.


Last edited by mkhor; 04/02/11 01:43 PM.
Re: Opening up Clavinova [Re: doremi] #1653192
04/02/11 03:13 PM
04/02/11 03:13 PM
Joined: Apr 2007
Posts: 1,834
doremi Offline OP
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doremi  Offline OP
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Joined: Apr 2007
Posts: 1,834
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I am 'doremi' because I play scales smile
Had I progressed to playing chords,
I would be 'domisol' shocked
Re: Opening up Clavinova [Re: doremi] #1653197
04/02/11 03:28 PM
04/02/11 03:28 PM
Joined: Jul 2010
Posts: 7
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mkhor Offline
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Great to know old CVPs started this simple "hidden" way of securing the top cover. CVPs are digital and has no mechanical regulations of any kind. Search YouTube for Yamaha keyboard repair, etc to see it is safe and easy to disassemble the keyboard.

Re: Opening up Clavinova [Re: doremi] #1653272
04/02/11 06:26 PM
04/02/11 06:26 PM
Joined: Apr 2007
Posts: 1,834
doremi Offline OP
1000 Post Club Member
doremi  Offline OP
1000 Post Club Member

Joined: Apr 2007
Posts: 1,834
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I am 'doremi' because I play scales smile
Had I progressed to playing chords,
I would be 'domisol' shocked
Re: Opening up Clavinova [Re: doremi] #1653810
04/03/11 03:18 PM
04/03/11 03:18 PM
Joined: Jan 2008
Posts: 483
Tweedpipe Offline
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Doremi,
So if I understand correctly, the location of the 'diagonal screws' to open the top board was in fact below the keyboard as I suggested. Is this correct? I would expect this to be the case as both the CVP-55 and CVP-85A (which I had worked on) were early 1990 keyboards.
For removal of the keyboard assembly you should proceed as follows, again assuming close commonality between the two models.

These are notes I made at the time of disassembly:-

- Open top board - (which you have now done).

- Remove FDD from within. 2 screws retain the FDD & it's holder.

- Remove Control Panel Assy. 2 screws (at extremity of left & right hand sides, then 3 screws equally aligned toward the rear edge of control panel.

- Remove the left end block retained with 1 screw. Similarly remove the right hand end block. Note: These are located just forward of the l&r screws that retain the Control Panel Assy.

- Remove 5 keyboard screws. These are accessed from below under the keyboard and positioned towards the front.

- Remove further 8 keyboard retaining screws, of two different sizes and located in pairs.

- You should now be be able to lift out the keyboard after disconnecting the electrical connector.

I trust this provides a little help, however you may encounter slight differences on your CVP-55.
Good luck.





Currently working on:-
C Major scale (r/h only - starting with the pinkie finger)......

Dear Noah,
We could have sworn you said the ark wasn't leaving till 5.
Yours sincerely,
The Unicorns



------------------------------

Re: Opening up Clavinova [Re: doremi] #1653831
04/03/11 04:10 PM
04/03/11 04:10 PM
Joined: Apr 2007
Posts: 1,834
doremi Offline OP
1000 Post Club Member
doremi  Offline OP
1000 Post Club Member

Joined: Apr 2007
Posts: 1,834
.


I am 'doremi' because I play scales smile
Had I progressed to playing chords,
I would be 'domisol' shocked
Re: Opening up Clavinova [Re: doremi] #1653852
04/03/11 05:05 PM
04/03/11 05:05 PM
Joined: Jan 2008
Posts: 483
Tweedpipe Offline
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Tweedpipe  Offline
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Posts: 483
Doremi
I'm sorry, but I have no experience regarding the change of the keyboard rubber strip you described.
It would seem to make sense to get a direct replacement from Yamaha (if still available), or sourcing something similar from a hobby shop, car accessory shop or similar.

I've performed a detailed search and can find nobody who has reported a similar problem.
However for future technical help, you may find the following link useful, although not exactly specific to your model 55.
CVP Forum
Please advise us how your repair is eventually resolved. Good luck.

Last edited by Tweedpipe; 04/03/11 05:33 PM.

Currently working on:-
C Major scale (r/h only - starting with the pinkie finger)......

Dear Noah,
We could have sworn you said the ark wasn't leaving till 5.
Yours sincerely,
The Unicorns



------------------------------

Re: Opening up Clavinova [Re: doremi] #1654003
04/03/11 10:46 PM
04/03/11 10:46 PM
Joined: Apr 2007
Posts: 1,834
doremi Offline OP
1000 Post Club Member
doremi  Offline OP
1000 Post Club Member

Joined: Apr 2007
Posts: 1,834
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I am 'doremi' because I play scales smile
Had I progressed to playing chords,
I would be 'domisol' shocked
Re: Opening up Clavinova [Re: doremi] #1654378
04/04/11 03:06 PM
04/04/11 03:06 PM
Joined: Apr 2005
Posts: 4,534
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Gyro Offline
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Tweed, where did you get that "Dogs leave..." thing from? Is that a translation out of German? If so, the translation isn't appropriate. Dogs commonly leave their footprints in something, but it's not your heart.

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