Donner DDP-90 Digital Piano User Manual

1. Introduction

This manual provides essential information for the safe and effective use of your Donner DDP-90 Digital Piano. The DDP-90 is an 88-key weighted digital piano designed for both beginners and experienced players, featuring a hammer-action keyboard, three pedals, and various connectivity options. Please read this manual thoroughly before operating the instrument and retain it for future reference.

Donner DDP-90 Digital Piano with music stand and tablet displaying sheet music

Image: The Donner DDP-90 Digital Piano in black, featuring 88 keys, three pedals, and a music stand with a tablet displaying sheet music.

2. Safety Information

Power Supply: Use only the specified power adapter (Input AC: 100 V - 240 V, Output DC: 12V 3A, Adapter Transformer DC: 5.5 mm x 2.2 mm). Ensure the voltage matches before connecting.
Placement: Place the piano on a stable, level surface. Avoid direct sunlight, heat sources, or excessive humidity.
Ventilation: Do not block ventilation openings.
Water and Moisture: Keep the instrument away from water or other liquids. Do not operate with wet hands.
Foreign Objects: Do not insert foreign objects into any openings.
Cleaning: Disconnect power before cleaning. Use a soft, dry cloth.
Children: Supervise children when they are near the instrument.

3. Package Contents

Please check that all items are present in the package:

Donner DDP-90 Digital Piano Unit
Three-Pedal Unit
Power Adapter
Music Rest
User Manual (this document)

4. Product Overview and Components

Familiarize yourself with the main components of your DDP-90 Digital Piano.

4.1 Keyboard

The DDP-90 features an 88-key hammer-action weighted keyboard, designed to replicate the feel of an acoustic piano.

Close-up of Donner DDP-90 digital piano keys with text 'Hammer-Action Standard Keyboard'

Image: A close-up view of the 88 hammer-action weighted keys of the DDP-90, highlighting the standard keyboard design.

4.2 Control Panel

The control panel includes the power switch and volume knob for easy access.

Close-up of the Donner DDP-90 volume knob and speaker

Image: A hand adjusting the volume knob on the DDP-90, showing the integrated 15W speakers and 128 polyphony feature.

4.3 Rear Connections

The rear panel provides various ports for connectivity.

Diagram of Donner DDP-90 rear connection ports

Image: A detailed diagram illustrating the rear connection ports of the DDP-90, including MP3 (1), MIDI USB (2), Sustain Pedal (3), Audio IN (4), Audio Out (5), and Power Interface (6).

MP3 (1): USB port for playing music from a U-disk.
MIDI USB (2): USB port for connecting to a PC, tablet, or cell phone for MIDI functions.
Sustain Pedal (3): Input for the three-pedal unit.
Audio IN (4): For connecting external audio sources.
Audio Out (5): For connecting to external speakers or recording devices.
Power Interface (6): For connecting the power adapter.

Note: The headphone jack is located at the bottom left of the keyboard.

5. Setup Instructions

5.1 Assembly

The DDP-90 requires some assembly. Follow the included assembly guide for detailed steps. Ensure all screws are tightened securely before use. It is recommended to have assistance during assembly due to the weight of the unit (approximately 81.8 pounds / 37.2 kg).

Donner DDP-90 Digital Piano with dimensions and power adapter

Image: The DDP-90 Digital Piano with its dimensions (137.41cm W x 77.98cm H x 34.80cm D) and the power adapter shown, indicating the compact design.

5.2 Connecting the Pedals

Locate the 5-pin triple pedal jack under the keyboard. Connect the cable from the three-pedal unit firmly into this jack.

5.3 Power Connection

Ensure the piano's power switch is in the OFF position.
Connect the power adapter to the Power Interface (6) on the rear panel.
Plug the power adapter into a suitable electrical outlet.

5.4 Headphone Connection

To practice silently, connect headphones to the 6.35mm headphone jack located at the bottom left of the keyboard.

Person practicing piano with headphones on

Image: A person wearing headphones while playing the DDP-90 Digital Piano, demonstrating the silent practice feature.

5.5 USB MIDI Connection

Connect the MIDI USB port (2) to your PC, tablet, or smartphone using a compatible USB cable. This allows for music app usage and music recording.

Donner DDP-90 Digital Piano with a tablet displaying an online music course

Image: The DDP-90 Digital Piano with a tablet on its music rest, showing an online music course application, illustrating its connectivity for learning.

6. Operating Instructions

6.1 Power On/Off

Press the power button on the control panel to turn the piano ON or OFF.

6.2 Volume Adjustment

Rotate the volume knob on the control panel to adjust the output volume of the built-in speakers or connected headphones.

6.3 Using the Pedals

The DDP-90 includes a three-pedal system:

Soft Pedal (Left): Reduces the volume and alters the timbre slightly.
Sostenuto Pedal (Middle): Sustains only the notes held down at the moment the pedal is pressed.
Sustain Pedal (Right): Sustains all notes played while the pedal is held down.

6.4 USB-MP3 Playback

Insert a U-disk (USB flash drive) containing MP3 audio files into the MP3 port (1) on the rear panel. The piano's built-in amplifier will play the music.

7. Maintenance

7.1 Cleaning

To clean the piano, first disconnect it from the power supply. Use a soft, dry, lint-free cloth to wipe the surfaces. Do not use abrasive cleaners, waxes, or solvents, as these can damage the finish.

7.2 Keyboard Cover

The DDP-90 features a soft-close keyboard cover. Always close the cover when the piano is not in use to protect the keys from dust and accidental damage. The soft-close mechanism prevents sudden drops, protecting both the keys and your hands.

Close-up of the soft-close mechanism on the Donner DDP-90 keyboard cover

Image: A close-up of the DDP-90's soft-close design for the keyboard cover, emphasizing finger and cover protection.

7.3 Storage

If storing the piano for an extended period, ensure it is in a dry, temperature-controlled environment, away from direct sunlight and extreme temperatures.

8. Troubleshooting

Problem	Possible Cause	Solution
No sound	Power not connected or turned on. Volume too low. Headphones connected.	Check power connection and switch. Increase volume. Disconnect headphones if using speakers.
Pedals not working	Pedal unit not properly connected.	Ensure the 5-pin pedal jack is firmly connected under the keyboard.
MIDI connection issues	Incorrect cable or connection. Multiple devices connected.	Verify USB cable and port. Only one device can be connected to the piano at a time. Disconnect other devices and reconnect.
Keys feel unresponsive or sound incorrect	Dust or debris under keys, or internal issue.	Ensure the keyboard is clean. If the problem persists, contact customer support.

If you encounter an issue not listed here or if the problem persists after attempting the solutions, please contact Donner Online Customer Team for assistance.

9. Specifications

Model Name	DDP-90
Brand	Donner
Number of Keys	88
Key Type	Weighted, Hammer Action
Polyphony	128
Product Dimensions	13.78"D x 54.33"W x 30.71"H (approx. 35cm D x 138cm W x 78cm H)
Item Weight	81.8 pounds (37.2 Kilograms)
Power Source	Electric (Input AC: 100 V - 240 V, Output DC: 12V 3A)
Connectivity Technology	USB
Connector Types	USB (MP3, MIDI), Audio In, Audio Out, 6.35mm Headphone Jack
Body Material	Wood
Color	Satin Black

10. Warranty and Support

Donner products are designed for reliability and performance. For information regarding warranty coverage, please refer to the warranty card included with your product or visit the official Donner website.

For technical support, troubleshooting assistance, or any questions regarding your Donner DDP-90 Digital Piano, please contact the Donner Online Customer Team. You can typically find contact information through your product order page or the official Donner support channels.

Important: When contacting support, please have your product model (DDP-90) and purchase details readily available.

Donner DDP-90