Question about Yamaha NP-30 Portable Keyboard

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I have a yamaha NP30 and the sustain pedals aren't working correctly. When the pedal is plugged in when i turn on the keyboard, the sustain won't work. But when i unplug the pedal completely w

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Posted on Jan 02, 2017

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SOURCE: Sustain pedal not working on my Yamaha P-90

What I figured out is that when i turn on the keyboard, if i hold down the pedal by accident, it will work in reverse. I dont know if this is what you mean. If it is, just dont touch the pedal when you turn it on. If it isn't, try to return the pedal. I dropped one, it had this problem, and they gave me a new one. Your cord for it might have been bent (?). Also, turn the keyboard on with the pedal already plugged in. It's not made to be plugged in while it's on. Hope this helps. - Matthew

Posted on May 15, 2009

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SOURCE: hi, i purchased yamaha fc15 sustain

The answer is NO... Roland uses the opposite sense switches on foot pedals... They use NIRMALLY CLOSED and your Yamaha is a NORMALLY OPEN switch.

SOMETIMES you can open these pedals and find that the pedal has the opposite sense switch available and you only have to unsolder and move one wire to make it a NORMALLY CLOSED pedal.

Posted on Dec 24, 2010

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It sounds like the inputs from the pedal switches are "floating", that is, not pulled up or down and they are drifting across the logic threshold. If I could find a schematic I could direct you right to the problem. For now, check the voltage across the switch contacts with a high impedance meter. Also check the resistance to ground of the common of the contacts. Without a schematic I am afraid to have you try things lest I direct you to do something that would cause damage.

Posted on Jun 08, 2011

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dr_mosh
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SOURCE: when I plug the fc-5

Sounds like a loose wire to me (because the problem isn't consistent) the most likely suspect is the jack plug. Unscrew the body of the plug and check that the two wires are firmly soldered to the terminals inside.

If they're OK you can pop the cover off the footswitch and check that end. As far as I recall that end of the cable goes straight to a PCB (printed circuit board) so be very careful if you need to solder anything. If the solder around the wire connection is cracked, that's a dry joint and can be fixed with a small blob of solder carefully applied.

If all the cable connections are fine there's a problem with the PCB or the micro-switch mounted on it.

Posted on Jun 20, 2011

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1 Answer

Sustain issue with Yamaha MM8


Your pedal may be the wrong polarity for this keyboard. Different manufacturers wire differently. And some use trs 1/4" and others use ts 1/4". Contact Yamaha customer service to get the correct pedal for your instrument.

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1 Answer

Sustain Pedal works intermittently.


To start with always best to use the correct power supply these should be readily available from any good Yamaha store. Is the sustain pedal a Yamaha pedal? The plug end of the pedal connect a multimeter across the two connectors and set meter to show continuity. If there is no continuity press pedal, hopefully this will now respond. If not then the break is in the pedal. If meter idea works then it could be the socket on the keyboard, these can work loose on the pcb they are mounted to if they are used a lot.

You could open up the keyboard and look inside checking the solder joints on the socket or simply take to a Yamaha service centre.

You could also try a master reset of the keyboard, hold down the highest note whilst turning on, this will reset to factory default.

Let me know how you get on.

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Ctk-651 sustain pedal working backwards


Buy sustain pedal made for CASIO or switable model.
Pedal for Yamaha or Roland will work in reverse on a Casio.
If you cannot return for exchange, then open up and solder a different type of micro switch.

Dec 31, 2013 | Casio Keyboard Ctk-481 Ctk-631 Ctk-651

1 Answer

Sustain pedal on Yamaha clavinova clp 130 quit working


The control may be dirty, lint may have gotten into it. A shot of contact clener into the control while cycling the pedal should clear it up.

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1 Answer

The sustain peadal in my yamaha s03 is unable . How do i fix this problem?


Press Utility and scroll (up/down arrows) till you see FSTxCtlNo and press inc/yes until it says 64. Your sustain will now work. Hit exit to get out of edit mode.

Jan 14, 2012 | Music

3 Answers

I plugged a sustain pedal from my Yamaha DX7 on the dumper pedal jack but it works opposite as it should (by pressing the pedal sound cancels as i release the keys; when pedal runs completely free sounds...


every sustain pedal got different polarity.. normally just go to global setting on your keyboard and change damper polarity setting to plus or minus (select which one work with your sustain padle).

Jul 26, 2011 | Korg M50 73 Note Workstation

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Hello- my P95 sustain pedal does not work when plugged in but the sustain works when you disconnect the cord from the back of the keyborad


This is confusing... you say "the sustain works when you disconnect the cord"? How can that happen? and doesn't work when it is plugged in.

MOST sustain pedal problems are due to people using a different pedal than the keyboard is designed to use. It is very common that someone tries to use a Roland sustain pedal on a Yamaha and oof course it doesn't work because the Roland pedal is normally closed and Yamaha usually requires a normally open contact.

A FEW keyboards now check the state of the pedal input when power is first turned on and configure the pedal polarity accordingly. For these keyboards, make sure the pedal is plugged in before power is turned on.

Apr 02, 2011 | Yamaha P95 Digital Piano

1 Answer

When i plug it in to the sustain slot in my yamaha keyboard it makes the notes longer without me pressing the pedal.


You may have a pedal that is ROLAND compatible which is OPPOSITE sense from what the Yamaha requires. The Yamaha takes a NORMALLY OPEN contact.

Some Yamaha keyboards such as TYROS have a parameter that you can set to permit using either type pedal.

Some pedals have a switch to change them to use with either type keyboards.

Feb 22, 2011 | Quik-Lok Quik Lok VP-26 U Sustain Pedals

4 Answers

Sustain is in reverse yamaha p-85


I have the same problem, But I have been using the same pedal since new. Infact it came with this pedal. Then suddenly it started doing this. Could I have changed soem setting by accident?

Jul 08, 2009 | Music

2 Answers

Sustain pedal not working on my Yamaha P-90


What I figured out is that when i turn on the keyboard, if i hold down the pedal by accident, it will work in reverse. I dont know if this is what you mean. If it is, just dont touch the pedal when you turn it on. If it isn't, try to return the pedal. I dropped one, it had this problem, and they gave me a new one. Your cord for it might have been bent (?). Also, turn the keyboard on with the pedal already plugged in. It's not made to be plugged in while it's on. Hope this helps. - Matthew

Mar 12, 2009 | Yamaha Music

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