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Yamaha Digital Piano YPG-625 Keys 'clang' (knocking noise)

Hi... Larry here. My gut tells me that it is felt bushings under the keys AND the front rail felt strip... any ideas???

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Posted on Jan 02, 2017

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SOURCE: What needs to be removed from my Yamaha YPG-625 to

DO NOT open the case unless you are aware of and comfortable with the fact that you could _destroy_ your piano. Easily.

Observe appropriate anti-static precautions. It should go without saying that this is an electronic repair, and dangerous voltages may exist inside the case.

1. Remove the stand if you have one
2. Lay the keyboard upside down (bottom up) on workbench
3. Remove all 90+ screws from the bottom of the chassis, including the 14 inside the speaker compartments
4. Carefully lift up on the bottom case part, taking not to damage the speaker lines
5. Unplug speaker connector and set lower case aside
6. LCD is mounted beneath main logic board
9in the center), my problem lies elsewhere, but competent and cautious service technique should lead you where you need. I would strongly recommend replacing the LCD assembly module, unless you are experienced in LCD repair.

Posted on Nov 08, 2009

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SOURCE: Yamaha CLP-860 Digital Piano Keys Making Noises

The part numbers are only available through the Yamaha Corporation. The Service manual, which is available for purchse (note that this is NOT the owner's manual) will have them.

I repaired mine on my own. I used a sticky foam tape of the correct width (approxiately 3/8 wide) and overlaid one layer directly over the original felt pad. I used a white foam tape like is used for carpet or other indoor needs. If I were doing it again I would probably use something just a little thicker and softer than what I used (appx. 1/16 thick).

Disassembling the Clavinova and removing the entire GH88 keyboard for this work is not hard if you are even moderately handy. I had the entire mechanics of the unit laid bare in 45 minutes with no manual (and not one curse word).

I am going to write up a tutorial on this soon as many people have asked about it.

By th way, I have heard that the factory pads are $100. My solution cost me about $3. Even if I have to do it again in a year, it's a win.

Posted on Feb 06, 2011

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Why is there no sound


main board problem.. faulty ic.if all oher functions are working..on the main board change ic number ak4385 DAC

Sep 23, 2014 | Yamaha YPG-625 (YPG625) Digital Piano

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YPG625 Humity problem


The overal sound of yamaha YPG 625 and keys operation are exellent by the price. The only problem I eperienced is the instrument operation under high humidity environment. Under this condition many keys sound loud over others, furter more with no expectation from mucisian. This problems is normal for that model because the music store change my previously YPG625 for the same problem<br /> <br /> Sometime I solve the problem to located the instrument under sun exposure and cover the keys and display to avoid direc sun exposure.<br /> <br /> Another is apply with a hair dryers over the keys. But is very disconform situation, and I dont know if the Yamaha exposed this isntrument under high humidity environment durig the product test. I has a Ymaha very low budged digital piano and Roland controller A33 in the same condition and never eperience problems, only with this model.

on Jun 16, 2011 | Yamaha YPG-625 (YPG625) Digital Piano

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How to change battery on yamaha ypg625


According to my schematics there is no battery fitted. What problems are you experiencing?

Aug 24, 2014 | Yamaha YPG-625 (YPG625) Digital Piano

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Middle D key apparently was jarred loose in transport. It is sticking up and won't return to its original position, and playing the key produces no sound.


Call Yamaha at 714-522-9000 and ask for a tech who works in your area. Attempting self repair could void any garuntee that is covering the problem.

Feb 19, 2014 | Yamaha YPG-625 (YPG625) Digital Piano

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Rattling keyboard


Call Yamaha at 714-522-9000 to find local dristubators/ liscend yamaha dealers. You may also visit the yamaha website.

Feb 18, 2014 | Yamaha YPG-625 (YPG625) Digital Piano

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Yamaha P-70 digital piano. A few keys are making a loud knocking noise. The note still sounds, but the knocking noise on the few keys can be heard at the other end of the house


There's an extremely comprehensive pair of videos about repairing this problem on YouTube thanks to David Allyn. I have embedded them below, or you can search "P70 Noisy Keyboard Repair".

Jan 03, 2014 | Yamaha NP 30 76 Key Lightweight Digital...

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No sound on one key


That's very annoying! The keys press on to a contact strip running the length of the keyboard. Over time this wears out and notes can either stop being dynamic or stop playing altogether. You can buy the strip off ebay and have a go replacing it yourself - not too expensive. I paid someone 50pounds to supply and fit one to a 61-note keyboard.

Dec 18, 2013 | Yamaha YPG-625 (YPG625) Digital Piano

1 Answer

Rhythm accompaniment does not play. Start button flashes 3 green then 1 red. Began when someone randomly pushed number buttons on the key pad.


Do an initialization (factory reset) by holding the HIGHEST WHITE key down and turning on the power. Hold the key for an extended time until display confirms initialization complete. This will restore unit to factory defaults.

Jul 14, 2011 | Yamaha YPG-625 (YPG625) Digital Piano

1 Answer

I asked for help on a Yamaha keyboard. The solution was posted on an e-mail address that is not accessible. What do I do to either get my solution or get my money back


I don't know what the original problem was but here is your service manual:

http://elektrotanya.com/yamaha_dgx-620_ypg-625.pdf/download.html

Scroll down to "get manual" and click on it to download a PDF file of the service manual.

Ignore other download links for viewers etc... If you have trouble, contact me at fredy2 at aol.com with YPG in the subject line.

Jul 14, 2011 | Yamaha YPG-625 (YPG625) Digital Piano

1 Answer

Hello, i spilt some smoothie on my Yamaha YPG-625s keys. The keys sound better now but i just want to properly clean the inside. How can i do this?


It is a lot of work to open and access the key contacts. Here is your service manual:

http://elektrotanya.com/yamaha_dgx-620_ypg-625.pdf/download.html

Scroll down to "get manual" and click on it to download. Ignore other download links on the page as they are for viewers and other software.

Jul 10, 2011 | Yamaha YPG-625 (YPG625) Digital Piano

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