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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
224 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
Mysterios. natural ... Example: Key of F major IV-V-I
Mysterios. B natural ... Example: Key of F major IV-V-I progression. On the resolving tonic chord a blatant B natural appears … read more
Ron Winston
Ron Winston
2,543 satisfied customers
I own a yamaha DGX 660 and I purchased a roland BK 7 BACKING
i own a yamaha DGX 660 and I purchased a roland BK 7 BACKING MODULE how do I hook these together so the piano controls the BK-7 … read more
Ameen Khan
Ameen Khan
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Information Technology Management / Computer Science
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I have a Yamaha Portable Grand DGX-660. The LED screen
I have a Yamaha Portable Grand DGX-660. The LED screen lights up (turns blue) but then shows nothing but a solid blue screen. The keyboard itself functions fine, as do all of the options. I just can't… read more
Ron Winston
Ron Winston
2,543 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
2,543 satisfied customers
ON MY DGX 640 THE FLAT AND E KEYS ABOVE MIDDLE C ARE SILENT.
ON MY DGX 640 THE B FLAT AND E KEYS ABOVE MIDDLE C ARE SILENT. … read more
Russell H.
Russell H.
Computer/Electronics Consultant
Vocational, Technical or Trade Scho
11,801 satisfied customers
My girlfriend's keyboard has two notes that have lost the
Hi. My girlfriend's keyboard has two notes that have lost the touch sensitivity feature. It's a Yamaha Grand Piano DGX-500. The 'A' and 'D#' play at full volume while in touch mode. … read more
Ron Winston
Ron Winston
2,543 satisfied customers
I have a Yamaha dgx 530. The unit powers up, the percussion
I have a Yamaha dgx 530 . The unit powers up , the percussion plays but none of the voices play (ie grand piano, cello, guitar etc.) Do you know what might be wrong? I made sure that the headphone jac… read more
Ron Winston
Ron Winston
2,543 satisfied customers
Certain keys will not respond, or repeats the key numerous
Certain keys will not respond, or repeats the key numerous times with one play of that note. … read more
Ron Winston
Ron Winston
2,543 satisfied customers
I turned on my Yamaha Keyboard and i heard a pop. Now
I turned on my Yamaha Keyboard and i heard a pop. Now nothing plays. I reset it yet nothing is working at all … read more
Ruben G.
Ruben G.
Vocational, Technical or Trade Scho
17 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
2,543 satisfied customers
My Yamaha grand, my Yamaha portable grand dgx 505 is on but
my Yamaha portable grand dgx 505 is on but no sound when Inplay the keys. Help! Thanks. Janis … read more
Ron Winston
Ron Winston
2,543 satisfied customers
My 640 was in storage for awhile and when I plugged it in,
My 640 was in storage for awhile and when I plugged it in, the display screen lit up just half way with lines up and down. It plays ok but no display. Thanks for helping. … read more
Ron Winston
Ron Winston
2,543 satisfied customers
Yamaha Portable Grand DGX 530.When I press The On Button
Yamaha Portable Grand DGX 530.When I press The On Button ,The Blue lighted control panel lights light up,but no graphs appear.The keyboard plays But I have no control . … read more
Ron Winston
Ron Winston
2,543 satisfied customers
Yamaha YPG-235 76-Key Portable Grand Piano ....SEEMS like it
Yamaha YPG-235 76-Key Portable Grand Piano ....SEEMS like it is half step out of tune..is there an adjustment … read more
Ron Winston
Ron Winston
2,543 satisfied customers
My yamaha portable grand DGX-640 won't turn on. I've
Hey, my yamaha portable grand DGX-640 won't turn on. I've checked, and everything is plugged in, but whenever I press the "on" button, the screen doesn't come on and the keys don't play. I may have le… read more
Rusty
Rusty
Music Professional
Business
1,311 satisfied customers
We have a yamaha DGX 505 portable grand that we have had for
We have a yamaha DGX 505 portable grand that we have had for several years and just had moved overseas. It worked perfectly before the move. Now there are some issues that are getting progressivly wor… read more
Tyler, M.M., CAGO
Tyler, M.M., CAGO
Master's Degree
314 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

2,543 satisfied customers

Owner at Winston Electronics

Rusty

Rusty

Music Professional

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Sound Engineer, Electrical Issues, Tone Consulting

Aric

Aric

Electronic Musical Instrument Technician

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

Carl L

Carl L

Master Technician

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Current Electronics Shop Owner and Master Technician in FL.

Lorenz Vauck

Lorenz Vauck

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Audio mastering engineer, experienced with recording, mixing, mastering, instruments and vst plugins. Just ask me:)

momentouswater

momentouswater

Technician

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Ready to assist with any and all Electric Instruments

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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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