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Yamaha YPG-225 76-Key piano keyboard, released in 2006

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keys on the keyboard stop working

Hello some of the keys on my keyboard stop sounding. Does it means i´ve got a broken key? I am sure the keyboard hasn´t been hitted by no means.

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Hello, my yamaha keyboard stops playing after about 10 minutes. To start it again I need to hit the middle leg of the transistor with one of the wire. What could be the problem?

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Replace the transistor or resolder it to the board

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my keyboard has the same problem with some of the keys not sounding but i have a Roland D-20 Multi Timbral Linear synthesizer Multi Track Sequencer are the same thing happening to to my keys

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My keybord has aproblem when i press one key it sounds two notes extra both one note up and the other one lower at the same time

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Hi ser, my yamaha keyboard has aproblim, when I turn on thers com's up unexpected error what are whe doing them

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Hi Mario,

You can use the guide for troubleshooting the YPG-225 provided by ifixit here. There is a section labeled "Keys don't produce sound". If you need the manual for this keyboard, it is here.

If those keys which do not produce a sound are somehow hanging (are lower than the other keys) and are somehow slack, the problem is related to broken keys. They need to be replaced. In this case, you can use this guide here on ifixit.

Just keep us posted what you figure out.

Steffen

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I love this website and the help provided by people like you. Thank you!

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Hi. Thank you. Where can I buy replacement keys for my keyboard (Yamaha DGX 220, same as YPG 225 I think)? Will DGX 230 replacement keys work? My problem is that a Db key is a bit loose amd wiggly. It will often play louder than its supposed to.

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This tutorial is of my exact keyboard. Is there a tutorial for when fixing all of one key across the entire keyboard? E’s in every octave have stopped working. Every other key works great.

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My yamaha dgx 230 had the same problem too, except, if I pressed it lightly, it sounded as if I were pounding on it. And the bad thing is, it happened to 14 notes, which were the same G#'s and the same D's. But if I press on it normally, it doesn't make a sound. Do u think it has something to do with dust or the rubber pads?

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If it's all the same notes it's more likely to be the connections from the board to the main board. Or a crack in the track from the pad to the connector on the contact board

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I have the same exact problem. All D keys and G# keys stopped working

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I have the same problem.. when i press g or d keys both g & g# plays

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I had a problem exactly like this on my yamaha psr 463.. I contact the service center but they're close due to lockdown... But i didn't want to open it myself as it still have warranty so i decided to blow below the keys with a hair dryer for 2 minutes and and guess what, it worked.... I'm reading all these post and decided to try that and I'm posting this as soon as that happened. Hope that helps

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I just had the exact same problem, D and G#s weren't working. I followed the procedure with a hair dryer just as said in the previous comment, and it worked!!! :D :D Thank you @sawmajr

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The problem isn't usually the board.. its the rubber contact that either need replacing or cleaning. Clean with pure alcohol.. I use Isopropyl alcohol and a lint free pad like chamois. Don't use cotton bids.

If the fault is on the first octave the part number for the contact is V3413800

Top Octave? V3413700

All the other octaves: V4313600

If it is the board its in two halves... lower half. Pt number is V3414200 and the top half is V3414300

Contact Yamaha in your country and ask for spares dept, In UK the number is 01908366700 You can pay by card.

cheers

Iain (the engineer)

Keyboard Repair Centre, Birkenhead. UK

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How do you clean the rubber contact?

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Clean with alcohol and lint free cloth see my post above.

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My PSR970 speakers sounds like there water when I play it but there isn’t. What’s the problem?

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"A" Key is not working in all octave in my Yamaha psr-410

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Can you use spirit to clean the rubber contact or the circuit board....I also use Yamaha psr e423 and some keys seized to sound and I realized the problem is from either the rubber or the circuit board.. I need help please.

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Anything that does not leave a residue. All ohol is best... try vodka

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I tried disassembling & cleaning, and more keys "died". I found that if I hit the keys over and over and over, it seems to come back to life.

This site seems to offer some replacement parts:

https://syntaur.com/yamaha_dgx.html

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I have yamaha psr i455, from yesterday its D# and A key of every octive was not working. I am trying many ideas which givesn on internet. I have a hair dryer i use on my keyboard and now my keyboard is working properly. I think its lhappend because of moisture due to rain… i purchased Silica Gel packet and kept near to keyboard then after no such problem happened.

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If it is all the same note that fails, then there are 2 possible reasons for this. 1) there is a break in the copper track on the pcb or 2), a bad connection on the edge connector. If 1) then it is not an easy fix. If 2) then it could cured by resoldering it.

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I have Yamaha ypg 635 and there is a section of keys c thru b and the black keys as well that dont work. I assume this comes in sections so it may be a bad section of keys?

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Hey. I hv Yamaha EW410 it's ln good condition (8 months) so when I play Ab on low note it also add D (D +Ab) ,when I play G it also ad Db (Db+G) , When I play A it also add Eb (Eb+A) , When I play Bb it also add E(E+Bb) , When I play B it also add F(F+B) n When I play C note it also add Gb note(Gb+C) . In short when I run chromatic (bass side) it only play G, Ab, A, Bb, B & C while Db, D, Eb, E, F & Gb fails to play…

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You probably have a short circuit across 2 pins on the connector from the key assembly board to the motherboard. *flat multi cable)

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How do I fix it?

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MARIO L 将永远感激不已
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