The Yamaha DGX-630 features a Graded Hammer Standard Keyboard. This action is designed to be virtually indistinguishable from a real acoustic piano, with keys for lower notes having a heavier touch and higher notes being more responsive to lighter playing.
The main features of the Yamaha DGX-630 digital piano include:
To perform a full factory reset, which clears User Songs, Style, and Music Database files transferred to the internal flash memory, turn the power on by pressing the STANDBY/ON switch while simultaneously holding the highest white key and the three highest black keys on the keyboard.
To adjust the touch sensitivity or key response:
To connect the Yamaha DGX-630 to a computer for MIDI recording:
Once connected, you can transfer performance data between the instrument and the computer.
To transpose the overall pitch of the instrument in semitone increments, press the [FUNCTION] button, then use the CATEGORY [▲] and [▼] buttons to select the Transpose item. Finally, use the dial to set the desired transpose value between -12 and +12.
The Yamaha DGX-630 offers 130 panel voices + 12 drum/SFX kits + 361 XGlite voices, totaling 503 different instrument sounds.
The physical dimensions and weight of the Yamaha DGX-630 are:
The Yamaha DGX-630 has a PHONES/OUTPUT jack. When a plug is inserted into this jack, the instrument speakers are automatically shut off. This jack also functions as an external output, allowing connection to a keyboard amplifier, stereo system, mixer, tape recorder, or other line-level audio devices.
The Yamaha DGX-630 is compatible with:
To reset settings on your instrument, you can perform one of two initialization procedures:
You can record up to 5 of your own performances as user songs (031-035) on the Yamaha DGX-
630. The recording procedure involves:
The Yamaha DGX-630 is referred to as a Portable Grand. It comes with a keyboard stand as an included accessory.
Yes, the Yamaha DGX-630 can be used as a MIDI controller for software instruments. When connected to a computer via USB, the instrument can transmit keyboard performance data by setting the "Keyboard Out" MIDI setting to ON. It can also be used as a remote control device for applications like the Digital Music Notebook.
The Yamaha DGX-630 is referred to as a Digital Piano and a Portable Grand.
To adjust the reverb effects:
Additionally, you can individually adjust the amount of reverb applied to the main, dual, and split voices.
Yes, you can add new accompaniment styles to the instrument. Style files transferred from a computer or stored on a USB flash memory device can be selected and used in the same way as the internal Styles.
The Yamaha DGX-630 package typically includes:
Yes, the Yamaha DGX-630 can simulate realistic organ sounds. The Voice List includes an "ORGAN" category with various organ voices such as Cool! Organ, Jazz Organ, Rock Organ, and Theater Organ.
The complete list of voices available on the instrument can be found in the Voice List section of the manual, starting from page 128. This list includes various voice categories such as Piano, E.Piano, Organ, Guitar, Bass, Strings, Saxophone, Trumpet, Accordion, Choir, Flute, Synth Lead, Synth Pad, Percussion, and Drum Kits, as well as XGlite and XG Chromatic voices.
Yes, the Yamaha DGX-630 has dedicated bass sounds and accompaniment. The Voice List includes a "BASS" category with various bass voices. Additionally, the auto-accompaniment Styles feature provides bass and chord accompaniment parts.
To play the demo songs, press the DEMO button. The demo song will start playing and will automatically repeat after it has played through. To stop playback, press the START/STOP button.
Need help?
Do you have a question about the Portable Grand DGX-630 and is the answer not in the manual?
Questions and answers
My left speaker has developed a rattle. Very annoying. How can I fix it?
To fix a rattling left speaker on a Yamaha Portable Grand DGX-630, follow these steps:
1. Check Assembly – Ensure all screws and components of the keyboard are securely tightened, as loose parts can cause rattling.
2. Inspect the Speaker Area – Look for any foreign objects or debris around the left speaker that might be causing the noise.
3. Adjust Volume and Settings – Lower the volume and test different voices to see if the issue persists at all sound levels.
4. Test with Headphones – Plug in headphones to check if the distortion occurs only through the speaker or also in the headphone output.
5. Power Cycle – Turn off the keyboard, unplug the AC adapter, wait a few minutes, and then restart it.
6. Use the Recommended Power Adapter – Ensure you are using the specified PA-5D or an equivalent Yamaha-recommended adapter to avoid power-related issues.
7. Seek Professional Repair – If the problem continues, the speaker may be damaged and require servicing by a Yamaha technician.
If none of these steps resolve the issue, professional servicing is recommended.
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@Meg I have the same keyboard (dgx-630 ypg-635) I bought 15 years ago and it have a rattle on the same speeker, on low-notes and hige volum.