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Related Electronic Musical Instruments Questions
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
Just bought a used DGX-640 with the optional pedal unit. It
Just bought a used DGX-640 with the optional pedal unit. It is not working. Any ideas? … read more
Ron Winston
Ron Winston
Owner / Technician
1,482 satisfied customers
I have a Yamaha DGX-640 piano. I took it out of storage and
I have a Yamaha DGX-640 piano. I took it out of storage and moved it from LA to Oregon. I plugged it in and can't get any sound out of it. I called Yamaha technical and they walked through some questi… read more
Ron Winston
Ron Winston
Owner / Technician
1,482 satisfied customers
I have a Yamaha portable grand DGX 640, the power comes on,
I have a Yamaha portable grand DGX 640, the power comes on , but I have no sound! Can you help me? … read more
Mian-Wisal Ahmad
Mian-Wisal Ahmad
Field Engineer
MS Electrical Engineering
326 satisfied customers
My girlfriend is very emotionally attatched to her yamaha
hi, my girlfriend is very emotionally attatched to her yamaha dgx-640 keyboard. today she was playing a song and it just stopped making all sound. we tried factory resetting it and messing with the he… read more
Brian Atkins
Brian Atkins
Associate of Applied Science, Sound Technology
63 satisfied customers
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
It turns on but there is no sound. Yesterday. I hadn't used
yesterday. I hadn't used it in about a year but the sound was fine then. … read more
Joseph Newman
Joseph Newman
Computer Science
289 satisfied customers
I have a B115D speaker that the audio level is significantly
I have a B115D speaker that the audio level is significantly lower than the other speaker … read more
Ameen Khan
Ameen Khan
Senior IT Support Specialist
Information Technology Management / Computer Science
2,204 satisfied customers
I am getting no sound from the keyboard. I played if over a
Good morning, I am getting no sound from the keyboard. I played if over a month ago- without probles. … read more
Ron Winston
Ron Winston
Owner / Technician
1,482 satisfied customers
Trying to get my yamaha glx 640 to record on pc. 1 day. It
it works on the keyboard. it connects with the pc. but it does not recognize. I have downloaded um314x64 … read more
Mian-Wisal Ahmad
Mian-Wisal Ahmad
Field Engineer
MS Electrical Engineering
326 satisfied customers
My Yamaha DGX-640 has not been used in about 2 years while I
Hi, my Yamaha DGX-640 has not been used in about 2 years while I have been out of the country. Now there is no sound when I turn it on. Is this something that can be fixed? … read more
Ron Winston
Ron Winston
Owner / Technician
1,482 satisfied customers
I have a yamaha DGX 640 that will not produce a sound. I
I have a yamaha DGX 640 that will not produce a sound. … read more
Ron Winston
Ron Winston
Owner / Technician
1,482 satisfied customers
DGX 660 how do i save e.g. speaker control to always on?
DGX 660 how do i save e.g. speaker control to always on? … read more
Ron Winston
Ron Winston
Owner / Technician
1,482 satisfied customers
Received a DGX 230 portable piano for xmas present. My son
received a DGX 230 portable piano for xmas present. My son assembled it. From the beginning one of the speakers did not work. Before we return it he asked if I would ask you was there any button he co… read more
Ron Winston
Ron Winston
Owner / Technician
1,482 satisfied customers
I have a yamaha dgx-640. No sounds. Everything seemes to
I have a yamaha dgx-640. No sounds. Everything seemes to work. I have tried plugging it to an amplifier and with headphones. Nothing works … read more
Ron Winston
Ron Winston
Owner / Technician
1,482 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
Business
6,790 satisfied customers
We have a Korg concert C46 piano that no longer produces sound
We have a Korg concert C46 piano that no longer produces sound through the speakers. It still works through the headphones, but nothing comes out of the speakers. Any ideas on how to fix it.… read more
MusicTech14
MusicTech14
Bachelor's Degree
393 satisfied customers
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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

Owner / Technician

1,482 satisfied customers

Owner at Winston Electronics

Rusty

Rusty

Music Professional

6,790 satisfied customers

Sound Engineer, Electrical Issues, Tone Consulting

Aric

Aric

Electronic Musical Instrument Technician

199 satisfied customers

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

Carl L

Carl L

Master Technician

163 satisfied customers

Current Electronics Shop Owner and Master Technician in FL.

momentouswater

momentouswater

Technician

14 satisfied customers

Ready to assist with any and all Electric Instruments

ParkerA107

ParkerA107

Audio Engineer/Network Tech

15 satisfied customers

Expert

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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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