Question about Yamaha Full-Size Keyboard

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How do I take apart Yamaha PSR-280 keyboard to clean keys.

The keys are making a rubbing noise when I press them to play. The notes come out proper, but the noise is getting worse, and I think it needs to be taken apart for cleaning, maybe.

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  • omdragonfly
    omdragonfly Jan 27, 2009

    No, it's not a full size keyboard. It's got 61 keys, I think. I didn't put the full size label on there above my question. It's smaller, and portable. It sits on a foldable stand.

  • Anonymous Mar 13, 2014

    The C C# and D keys on my Keyboard either clack and play very loudly regardless of pressure, or won't play at all. Should I take the keyboard apart and examine the keys from the inside?

  • Anonymous Mar 23, 2014

    Some of the keys are no longer working. They go flat when pressed.

  • Anonymous Mar 23, 2014

    Keys stopped working. Go flat when pressed.

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There are 17 screws on the underside of the keyboard that need to be removed. The base cover can then be removed. This gives access to the keyframe assembly which can be removed.

Posted on Feb 08, 2009

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1 Answer

Key B2 playing to loud, not touch responsive


What is your piano brand and type?
Damage to the contact rubber can cause note plays loudly or,
note does not plays at all.
It is caused by:
1. Carbon rubber contacts dirty / dusty (yellow arrow). Clean with a pencil eraser (or cloth). Gently rub it.

key-b2-playing-loud-not-touch-wy0wtjmd43l3of51yru11dct-4-0.jpg

2.
Contact rubber is torn (your case). If this happen,it can not be repaired or glue. So, you have to replace one octave.
The yellow arrow indicates the side that is often torn.
key-b2-playing-loud-not-touch-wy0wtjmd43l3of51yru11dct-4-1.jpg

Rubber side that is torn, usually not seen, unless we move / pressing gently on top (In the rubber contact position is not installed on the board.)
Examples of this picture was yamaha psr.
key-b2-playing-loud-not-touch-wy0wtjmd43l3of51yru11dct-4-3.jpg
.

Oct 14, 2015 | Music

2 Answers

The third G key on my Yamaha YPT 300 does not cooperate with the touch response feature. Regardless of how hard I press it, it plays the note loudly. All of the other keys are fine.


Below the keyboard, there is a rubber contact (see figure 1).third-g-key-yamaha-ypt-300-not-cooperate-shyexoo0xcste5eq310zs3ot-4-0.jpg Damage to the contact rubber can cause:
- Note plays loudly or
- Note does not plays at all.

It is caused by:
1. Carbon rubber contacts dirty / dusty (yellow arrow). Clean with a pencil eraser (or cloth). Gently rub it.
third-g-key-yamaha-ypt-300-not-cooperate-shyexoo0xcste5eq310zs3ot-4-6.jpg

third-g-key-yamaha-ypt-300-not-cooperate-shyexoo0xcste5eq310zs3ot-4-10.jpg
2. Contact shredded rubber. If this happen,it can not be repaired or glue. So, you have to replace one octave as in Figure 1.
The yellow arrow indicates the side that is often torn.
third-g-key-yamaha-ypt-300-not-cooperate-shyexoo0xcste5eq310zs3ot-4-15.jpg

Sep 27, 2015 | Yamaha Music

1 Answer

Yamaha psr 9000 keyboard


Try dusting the keyboard with talcum powder. Shake the unit around a bit, so it gets under the keys. That will likely help "lubricate" the keys and quiet down the noise.

It works on my piano. Nwo all I hear are the sour notes I hit!

Jul 27, 2014 | Yamaha Music

1 Answer

What is causing noises in my Casio privia Digital piano?


Pivots worn out or need lubricant. Make a warranty claim first.Otherwise, If out of warranty I would try to lubricate the hammer pivots myself. You will need "grease suitable for plastics".

Jun 10, 2014 | Casio Privia PX-350 Digital Piano Black...

1 Answer

What is causing noise in the keys of privia px350?


Try using a can of pressurized air to clean around the keys that are noisy.

Jun 10, 2014 | Casio Privia PX-350 Digital Piano Black...

1 Answer

Disfunctioning f note. It plays extremely loudly.


If it is under warranty, may as well make use of it. In the long run it will be less headache for you.

It is something that should be repairable, although time consuming. as it is likely a stray bit of solder lodged where it should not be.

Feb 06, 2012 | Casio CS43 Stand for CDP 100

1 Answer

I have a RH50 T amplifier, it had a bit of a bumpy car ride to band practise the other day and now when i play through it, it will make a permanent buzzing noise on the clean channel that gets 70% worse on...


You may have damaged the variable resistors (the volume controls), you can purchase replacements from a local Electronics store (if UK based try Tandy). Otherwise have you checked the speaker itself for damage? You may have split the speaker which will need to be replaced.

May 04, 2011 | Randall RH50T Tube Series 50-Watt Guitar...

1 Answer

Roland Piano 600 HP 600, out of 76 keys, Keys# 4, 9, 10,11,12,13,14,15, 23, 38, 74 will not play( no sound). Any ideas? Everything else works. Have taken no actions to fix yet.


There is a rubber "bubble contact" strip under the keys, and pressing on a key pushes the bubble down, which makes contact with the circuit board underneath. Any foreign matter that gets in the way of this contact will render that note unplayable, and that is likely what has happened. You can remove the keybed, remove these strips, and clean the board with rubbing alcohol. Don't use alcohol on the bubble strips, as it is not good for the rubber.

Sometimes, you can simply tape a small piece of cardboard, like from a cereal box, onto the bottom of the key where it pushed on the bubble, and this can fix the problem.

The bottom line is that you will have to remove the keybed, and that may be a daunting procedure unless you're used to that kind of work. So you may want to just take it to a service center. You can get parts at www.syntaur.com. Good luck!

Feb 25, 2011 | Roland Ep760 76Key Digital Piano

1 Answer

The sound on my synths is not working. I just bought reason5, and all that makes noise is the kong drum machine. I am very new at this so it is probably a stupid problem, but whenever I pull up the...


okaye, i justt figured itt outt, hopefully you gett an email aboutt this postt...

so anywayz yo,

how many instruments you have hooked up to your mixer? thats the key, #1.

make sure you have atleast ATLEAST 2 mixers in your start up program, once you use the max output input for your original mixer, the next instrument patch you load will not be routed, (no more space), you'll have to route it manually (press Tab) *get familar with routing your own devices, for reverb/chorus and such,

this applies to everything about recieving sound from your project/keyboard. and just route your extra devices on the new mixer --they go up to 14 channels, i have like 22!
so thats my solution, hope itt applies.
Dre'
South Caro-line-em- up
~1~

Jan 16, 2011 | Propellerhead Reason 5

1 Answer

Hi there, I have a Nord Stage EX 76 and played a gig on friday night outdoors. I have set the keyboard up and now one or two of the notes occasionally sound much louder than they should. The problem...


What has happened is that one of the contacts on those notes is not working properly. Each key has two contacts. One makes before the other as the key is pressed. The processor MEASURES the time between those as you hit the key to read the VELOCITY you have hit the key with. This velocity is often used for loudness on many voices such as the piano. These contacts are USUALLY conductive rubber pills suspended in silicone rubber "domes". One can disassemble the key area and clean BOTH the black rubber pills and the circuit traces they are pressed against using Q Tips and ONLY 99% isoprophyl alcohol to restore proper operation
One needs to be very careful when disassembling unit as there are many tender ribbon cables and connectors. Best to have clear work area and two people to "control" the halves of the shell while opening..

Nov 07, 2010 | Clavia Nord Stage 88 - Digital Stage Piano...

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