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Yamaha DGX-640 Portable Grand Piano - no sound from right
Yamaha DGX-640 Portable Grand Piano - no sound from right speaker, tried with headphones and also no sound from the right (right channel seems to be out). Is this something that a reset might help? … read more
Expert
Expert
My Yamaha DGX-650 keyboard stopped working a few weeks ago
My Yamaha DGX-650 keyboard stopped working a few weeks ago and still won't turn on. I had turned it on and the pedal was sustaining backwards, so I turned the keyboard off, unplugged and replugged the… read more
Ron Winston
Ron Winston
3,125 satisfied customers
My sustain pedal will not work. I need help! Yamaha DGX-660.
The sustain pedal works on my keyboard, just not in my studio one. It never has … read more
jeffreybongers
jeffreybongers
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Yamaha dgx-640. when i turn in on the keys play no sound.
yamaha dgx-640. when i turn in on the keys play no sound. I've taken the troubleshooting steps in the manual but still no sound either in headphone or keys … read more
Expert
Expert
I have a DGX-640 that turns on but has no sound. About a
Hi, I have a DGX-640 that turns on but has no sound … read more
Expert
Expert
The pedal is sustaining when I don't press it and doesn't
Second opinion] The pedal is sustaining when I don't press it and doesn't sustain when I do press it. How to fix it?… read more
Rusty
Rusty
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I'll have a Kurzweil MPS20 that I never use. Someone touched
I'll have a Kurzweil MPS20 that I never use. Someone touched it and now the pedal does not work. Help … read more
Ron Winston
Ron Winston
3,125 satisfied customers
Our nearby nursing home owns a Yamaha Portable Grand,
Our nearby nursing home owns a Yamaha Portable Grand, DGX-640. It works perfectly, except the sustain pedal does not work. I tried another pedal that I know does work, and still no sustain. I have the… read more
Ron Winston
Ron Winston
3,125 satisfied customers
My Expression pedal is not working on my Korg Grandstage. I
My Expression pedal jack is not working on my Korg Grandstage. I tried two different pedals, but it seemed like the piano didn't recognize either.… read more
Ron Winston
Ron Winston
3,125 satisfied customers
I have a Technics PR-53 and the sustain pedal doesn't work.
Customer: I have a Technics PR-53 and the sustain pedal doesn't work. I replaced the wire last year when it started losing sustain intermittently. I thought the wire had gotten a short. But the new wi… read more
Rusty
Rusty
Music Professional
Business
1,311 satisfied customers
I own a DGX 640 since Feb. 2012. over the last month it has
I own a DGX 640 since Feb. 2012. over the last month it has started making a burpy noise when it is played loudly. The LCD screen also fades when this happens. Is this fixable? Also, my husband, an en… read more
Michael
Michael
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Bachelor's Degree
2,500 satisfied customers
Can I use my DGX 640 as a midi controller via a computer to
Can I use my DGX 640 as a midi controller via a computer to trigger sounds from external keyboards and modules-using no recording software and the like. Is there an external computer hardware device (… read more
Rusty
Rusty
Music Professional
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1,311 satisfied customers
I have a Yamaha DGX-640 Digital Grand. The latest time I plugged
I have a Yamaha DGX-640 Digital Grand. The latest time I plugged it in and turned it on, the screen is blue and the display (words, settings, etc) is very faint...the blue is very bright. Everything s… read more
MusicTech14
MusicTech14
Bachelor's Degree
393 satisfied customers
I have a Kawai electric piano (Model: CL200). About 2 years
I have a Kawai electric piano (Model: CL200). About 2 years after it was bought the pedal (Kawai F-1r) does not work. As soon as I plug it into the back of the piano the notes resonate, whether I am p… read more
MusicTech14
MusicTech14
Bachelor's Degree
393 satisfied customers
My piano HP1800 sustains without pressing on the sustain pedal
My piano HP1800 sustains without pressing on the sustain pedal periodically. Sometimes, unplugging it for a time and replugging it in ends this problem. That's not working today, and sometimes doesn't… read more
Rusty
Rusty
Music Professional
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1,311 satisfied customers
The sound is sustained although my sustaining pedal goes up
The sound is sustained although my sustaining pedal goes up and down it does not release the sustination. What can I do?… read more
MusicTech14
MusicTech14
Bachelor's Degree
393 satisfied customers
I have a ROLAND F-90 DIGITAL PIANO that I love.By mistake
I have a ROLAND F-90 DIGITAL PIANO that I love. By mistake I pulled the damper pedal jack out of the piano while it was on and the function reversed - ON is up and OFF is DOWN! I tried repeating pulli… read more
Musicman
Musicman
52 satisfied customers
We have a digital piano a PCM original Mid TG8815. One of
We have a digital piano a PCM original Mid TG8815. One of the foot pedals does not work since we moved it a few months ago. We have looked at the electrical connections but cannot see anything. Is the… read more
Musicman
Musicman
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Meet the Experts:

Steve G.

Steve G.

Engineer

87 satisfied customers

I have played electronic keyboards for 40 years.

Ron Winston

Ron Winston

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Rusty

Rusty

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Sound Engineer, Electrical Issues, Tone Consulting

Aric

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15+ years in the field. Owner of AV Installation, OEM and Repair company

Carl L

Carl L

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momentouswater

momentouswater

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ParkerA107

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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