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Can't push down key all the way

Need to remove and clean "key rack" but can't remove any wood around the keyboard.

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Cliff, On what instrument?

Posted on Jan 26, 2013

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2 Answers

How do I fix a stuck piano key on a upright home piano


You'll likely need to try removing the keys, so you can see if something is stuck underneath it. That would be my first move.
In order to do this, follow these steps:

The front panel and the keyboard fall are designed to be easily removed for tuning purposes anyway.

To check it out....The front panel likely has a little clip either side near the top on the inside. Just undo these clips and lift the panel out. The keyboard fall should then be easy to lift out too.

There may be a long wooden rail which you need to take out also. Once inside, the keys themselves can be carefully lifted off the central spikes on which they sit.

Remember how you did this so you can get them back in again.

Since your piano is so old and worn, Often times, the wooden rail in front of the keys (just above your knees when you are playing) bows inwards a little due to age and temperature/humidity fluctuations. This then causes the little white front bit of the keys to jam against the wood and you have to physically lift the keys back up to return them.
If this is the problem you will need to take out the keys and shave some wood off the inside of this rail to allow the keys to move up and down freely again.
Or sometimes you may find you have a small object caught under a key or two. Much simpler to remove and free up your keys, if this is your problem..
Hopefully, this is all you will find wrong with your piano.
If all else fails...
I wouldn't attempt to tune your piano by yourself. I would seek out an experienced piano tuner for that.
But it is worth attempting to repair it first before you go that far.
Good luck !!

Feb 26, 2015 | Music

1 Answer

How do I clean the keys that are a combination of dust & grease


Hi, I buy sell and repair electronic keyboards, unless the problem is really bad then try this:-
Remove as much dirt and dust as possible DRY. Use a vacuum cleaner and a clean paint brush with long soft bristles. Turning the keyboard upside down helps, work round each key, work from the back to the front of the key.
Assuming the keys are plastic.
You can use foam cleaner and sometimes isopropanol (a synthetic alcohol, used for cleaning in electronics) when needed, but Mr Muscle Kitchen is just as effective. There are other usable cleaners the important thing is they DO NOT contain lime scale remover OR bleach.
Spray the cleaner onto a "J" cloth and wipe the keys. Also upside down if possible. It is surprising how grubby the keys can get and some deposits can be removed with label remover. Use this on the cloth sparingly and rub gently.
Label remover is available from CPC, search CPC Farnell.

Feb 11, 2015 | Yamaha Music

2 Answers

How do i replace one key on Yamaha YDP161?


A YDP uses the same key type as a basic Yamaha Clavinova. As you have stripped the keyboard to reveal the keys take a look at the end where the key hinges. There will be an arrow pointing to one side. You will need to remove att the screws holding the key base (black plastic ) to the wooden base. Slide the whole keyboard back a couple of inches, push down where the arrow points between the keys, the offending key will pop up. Slide forward and jiggle out. Replace key. reassemble. If the tag on the back of the old key has snapped off remove the piece of debris that might be there before refitting.

dan@beckettsmusic.co.uk

replacement keys can be found online

http://www.beckettsmusic.co.uk/shop/scripts/prodView.asp?idproduct=17431

Jun 07, 2014 | Yamaha YDP-161 Arius Graded Hammer Piano...

2 Answers

Highest intensity in some keys even when I play it with slow push


DUST on sensors! If you have steady hand, you can remove the entire keyboard. Using a computer vacuum cleaner, clean the sensors on the instrument, then replace the keyboard carefully. Or, take it to a technician to have the keyboard sensors cleaned.

May 23, 2013 | Roland Music

2 Answers

1 key does not spring back when it is pressed and 1 key has a bit of resistance when pushed


The elektrotanya website link proposed in the other solution here did not work for me. So with a similar sticky keys problem on my YDP-113 yamaha digital piano, i just started taking it apart.

I found that the problem was that the sticking keys actually had small cracks at the hinge end. See attached photo for a picture of the hinge end of the key. The cracks are very small and hard to see, but if this is your problem, you will see it in a good light. Having the key apart will also allow you to clean the sides well in case there has been a bubble gum attack or similar problem.

After learning that replacement keys are extremely expensive (like $15 per key...) I decided to move the bad keys to the highest and lowest notes on the keyboard (88 key keyboard so there is some seldom used territory). The center several octaves are now free of sticky keys and this is good enough for now.

The procedure on my YDP-113 was:
1. Remove black screws from back panel of unit to allow top to slide forward and then lift off. Set aside.
2. Roll the roll top all the way closed and then simply lift up to remove. Set aside.
3. Remove the six screws which attach the roll top gear rail (3 screws on each side panel). Set aside the gear rails.
4. Remove 2 screws in the key top bracket, and 1 screw from each end of the key top. "Key top" is my name for the small strip which lies along the top of the keys. If you have an official or better name, please share.
5. Remove the 10 or so large screws and two small screws which hold the keyboard panel down in the unit.The keyboard should now be able to slide a few millimeters toward the back of the unit.
6. Remove 1 screw to take out the power switch panel. The front of it hooks in with a tab, so slide it back and then it will lift out.
7. Careful now. I felt this was the one operation where I had an opportunity to ruin the unit if I would have fumbled: Lift the keyboard up slightly and rest its front 'legs' on the front edge of the case. Careful of small wires to not rip them. Careful of the circuit boards that are underneath the keyboard frame. jeff20112011.jpgThe objective here is to allow the keys to come out toward you so that they can be removed and replaced or swapped. You can kind of see in the cracked key end photo, how the keyboard is up and partially out of the unit.
8. You now can do the actual swapping. To remove a key, pry up very gently in back of the key with a small screwdriver. jeff20112011_0.jpgIt will pop up. Then gently work the key around to free it from the return spring without bending that spring. Replace with a new key or swap will a good working key in a little used position. Note that B and E are interchangeable, also C and F. Some other keys also look like they could interchange though I didn't personally try it.
9. Reassemble in reverse order of disassembly.

Apr 06, 2011 | Yamaha YDP223 Digital Piano

1 Answer

I need a diagram to show how to take the keys out.


Here is EVERYTHING you need about servicing the keyboard... 11.7 Mb PDF.

http://elektrotanya.com/yamaha_psr-s500.pdf/download.html

The key removal is around page 15 of the file.

Jan 10, 2011 | Yamaha PSR-S500 Digital Keyboard

1 Answer

I have a CDP-100 and need disassembly instructions for access to internal keyboard assembly. Unit was dropped while unloading from car. Now some keys are akimbo and won't play as though they are off their...


I just fixed my CDP 100 which had a similar problem - dropped and two keys not working up one end.
1. Lay keyboard upside down on soft surface. Under keyboard is plastic cover held on by 17 screws. Remove all these and lift cover away. The metal key ends are all revealed.
2. Locate the disloged keys. Carefully press them back into position - they will "click" into place. Make sure the corresponding key on the keyboard isn't stuck in an "up" position - you may have to remove the metal key part and replace it again while making sure the key is correctly seated.
3. Replace cover and screws.

Feb 22, 2010 | Casio Music

1 Answer

A broken key on my keyboard Korg Trinity


I just fixed this exact problem today. It took me a while to figure out how to get to the key bed, but it's not impossible. I'll try to retrace my steps and describe them as well as I can:

- Turn the keyboard upside down on a table with the joystick hanging off the table. To make my directions easier to follow, the joystick should be on your left. When I say "front", I mean towards the keys, "back" towards the knobs.
- Have 3 cups for the different types of screws you'll find. A magnet-tipped screwdriver is *essential*, as some of the screws are hard to get to, and you don't want to lose them in there.
- Start by removing the bottom plate.
- Remove the right side panel -- there should be three bigger screws towards the front, and two smaller ones way down towards the back.
- Here's the tricky part... unplug all connectors from the center board. You might want to take some detailed pictures before you do that because there are some empty sockets on the board. It's actually easy to figure out what goes where because most connectors are of different sizes.
- Unplug the two red connectors that go to the left side of the key bed, and the one that goes to the small board on the key bed, but NOT the small white one. That's the aftertouch cable and it doesn't need to be disconnected.
- Unscrew the center board from the horizontal rail in the middle of the case. There should be 4 screws and a cable tie is connected to each one. There are 3 black screws in the back around the digital output slots (there wasn't a digital card on the Trinity I worked on.) -- unscrew those and remove the board VERY carefully not to pull any wires along the way.
- There are two silver plastic grounding slips -- one on the far left, one on the far right. I know you have to remove the left one, I'm not sure about the right one, but remove it just in case.
- Unscrew the long aluminum piece at the very front, the one that is under the keys when the keyboard is right side up.
- Unplug the small connector off the floppy drive. You can leave the ribbon cable connected. The are 4 screws (I think) that hold the floppy drive in place. Unscrew those and remove the drive.
- There should be 1 more screw holding the key bed in place, and it's right by one of the floppy drive screws. Get that one out and pull the key bed upward using the metal piece in the middle -- it may be stuck to the horizontal rail, even though it's unscrewed. Pry it up gently with a screwdriver if you have to. The key bed should come out. If it doesn't, check what might be keeping it in place. Don't ever force anything out of a keyboard.

OK, that's part one. Part two is fairly easy...

- Set the key bed on a table. Remove the long plastic strip at the top.
- To remove a black key, first you have to remove the two surrounding white keys. Grab the bottom part of the key (where you play it) and push towards the top (where there's a square hole). Pay very close attention to how the key is removed, because reinstalling it is the same way, just reversed (obviously). There's a flat spring underneath the key, don't worry if it pops out. It's pretty self-explanatory how to put it back.
- Remove the black key in the same manner. Most likely, the little tab that hooks the key onto the key bed is chipped or broken. In any case, you will need a new key -- unless, of course, it was just the spring that popped out.

Follow the instructions in reverse order to put it all back together. I typed this by memory, so I may have skipped a step or two. Taking this keyboard apart wasn't as easy as I expected, but not as hard as it looked. It just takes patience and being careful.

I hope this helps!

Apr 06, 2009 | Music

6 Answers

How doI open a Yamaha P120 to fix sticky keys?


I've had the very same problem twice so far. The only solution I figured is to simpy purchase an equivalent key (contact Yamaha service in your country for this) and to replace the broken one. The reason why the key doesn't work smoothly as the other one is not dirt therefore any cleaning won't help. The key is cracked deep in the place where it's attached to its 'axis'. So you'll need to remove all the screws and unmount the cover (it needs a sideshift to open once the screws are removed), be careful with the speaker wires. However you'll need firm moves anyway. Opening is tricky and gets me surprised anytime I do it so you'll need some courage :). Replacing the key is even more tricky. You'll have to remove the broken one by pulling it horizontaly (use some force, it's broken anyway). Placing a new key you'll need to uplift the 'hammer' and then slide a new one. I'm sure you'll figure it out once you see it with your own eyes (it's really hard to decribe but not so hard to do it). Hope you'll do fine. I haven't tried glueing the crack for I doubt it would work for long. Good luck!

Jan 28, 2009 | Yamaha Full-Size Keyboard

1 Answer

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


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.

Jan 27, 2009 | Yamaha Full-Size Keyboard

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