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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
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
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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 Yamaha DGX-660 that I purchased a little more than
Hello, I have a Yamaha DGX-660 that I purchased a little more than a year a half ago that I'm experiencing a problem with. This is actually my 2nd piano same model that I have had this issue with. Cer… read more
Your Solution
Your Solution
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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
I have a yamaha portable grand dgx-640 - about 8 yrs old.
I have a yamaha portable grand dgx-640 - about 8 yrs old. sat down to play it today and the keys are playing multiple notes - not playing right at all. … read more
Ron Winston
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Mysterios. natural ... Example: Key of F major IV-V-I
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Would like to know if there is a setting on the Yamaha
Would like to know if there is a setting on the Yamaha dgx-640 to change the key (from the key of d to x for example). … read more
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Can you transpose on the Yamaha dgx 640? How? Yamaha dgx
Can you transpose on the Yamaha dgx 640? How? JA: What Yamaha model do you have? Customer: Yamaha dgx 640 JA: How long has this been going on with your Yamaha instrument? What have you tried so far? C… read more
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The white keys A only and black key flat only make no sound
The white keys A only and black key b flat only make no sound to the right of middle C. … read more
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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
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I have a Yamaha Clavinova baby grand. When striking a few of
Second opinion] I have a Yamaha Clavinova baby grand. When striking a few of the keys i hear a clanky sound as tho the hammers were striking metal. … read more
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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
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Yamaha YPG-635. All flat and E notes above middle C have
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1 octave not working. Yamaha clavinova cvp 3. About 2 weeks
about 2 weeks - I haven't done anything other than check the plugs … read more
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I have a portable grand DGX 203. The "E" note on the
I have a portable grand DGX 203. The "E" note on the keyboard is not functioning. Is there a way of reprogramming the keyboard so that the key woks? If not reprogramming, what do I do? … read more
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How can I repair a sticky key on a Yamaha DGX-500/300
How can I repair a sticky key on a Yamaha DGX-500/300 Portable Grand. … read more
Harry
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I have an Optimus concertmate 990. When I set the selection
I have an Optimus concertmate 990. When I set the selection for grand piano or church organ e.g., there is no sound for the white key octave B below middle C to B above middle C. What could ber the pr… read more
Tyler, M.M., CAGO
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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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