Yamaha P125 Digital Piano User Manual

1. Introduction

This manual provides essential information for the proper setup, operation, and maintenance of your Yamaha P125 88-Key Weighted Action Digital Piano. Please read this manual thoroughly to ensure optimal performance and longevity of your instrument.

Image 1: Front-angled view of the Yamaha P125 Digital Piano in white, showing the 88 keys and music rest.

2. Product Features

• 88-Key Weighted Action: Features 88 full-sized, piano-style keys with Graded Hammer Standard (GHS) weighted action, providing a heavier touch in the low keys and a lighter touch in the high keys, similar to an acoustic piano.
• Pure CF Sound Engine: Reproduces the tone of the acclaimed Yamaha 9' CFIIIS Concert Grand piano, offering rich and expressive sound.
• Split Mode: Allows playing a different instrument voice with each hand, enhancing performance versatility.
• USB to Host Connectivity: Enables MIDI and audio transfer with a single cable for connection to music-making software and devices.
• Integrated Speakers: Built-in speaker system for direct sound output.

Image 2: Close-up view of a grand piano's internal soundboard, featuring the Yamaha Piano logo, illustrating the source of the Pure CF sound engine's inspiration.

3. Setup and Assembly

For detailed assembly instructions, please refer to the official Installation Manual. A digital copy is available here.

3.1 Unpacking

Carefully remove all components from the packaging. Ensure all parts listed in the packing list are present before proceeding with assembly.

3.2 Connecting Power

1. Connect the supplied power adapter to the DC IN jack on the rear panel of the piano.
2. Plug the power adapter into a standard AC wall outlet.

3.3 Connecting the Sustain Pedal

Insert the plug of the sustain pedal into the SUSTAIN jack on the rear panel. Ensure the pedal is placed on a stable surface for comfortable use.

Image 3: Diagram illustrating the dimensions (width, depth, height) and weight of the Yamaha P125 Digital Piano, useful for setup and placement.

4. Operating Instructions

4.1 Power On/Off

Press the POWER button located on the left side of the top panel to turn the instrument on or off.

4.2 Volume Adjustment

Use the VOLUME slider to adjust the overall output level of the piano. Adjust to a comfortable listening level.

4.3 Voice Selection

The P125 offers various instrument voices. To select a voice:

1. Press the [VOICE] button.
2. Use the dedicated voice buttons (e.g., PIANO, E.PIANO, ORGAN) or the [FUNCTION] button combined with specific keys to select desired voices. Refer to the full user manual for a complete list of voices and their corresponding keys.

4.4 Split Mode

To activate Split Mode, press the [SPLIT] button. This allows you to play two different voices simultaneously, one with the left hand and one with the right hand. The split point can be adjusted.

4.5 USB Connectivity

Connect the piano to a computer or smart device using a USB cable (not included) via the USB TO HOST terminal. This enables MIDI data transfer for recording or controlling software instruments, and audio transfer for recording the piano's sound directly.

Image 4: Top-down view of the Yamaha P125 Digital Piano, highlighting the 88 keys, integrated speakers, and the control panel with various function buttons.

5. Maintenance

5.1 Cleaning

Wipe the instrument with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth and then wipe dry. Avoid using chemical cleaners, solvents, or abrasive materials, as these can damage the finish.

5.2 Storage

When not in use, store the piano in a clean, dry environment away from direct sunlight, extreme temperatures, and excessive humidity. Covering the keys with a dust cover is recommended to prevent dust accumulation.

6. Troubleshooting

• No Sound:
  • Check if the power is on.
  • Ensure the volume slider is not set to minimum.
  • If headphones are connected, disconnect them to check speaker output.
  • Verify all cables are securely connected.
• Keys Not Responding:
  • Ensure the instrument is powered on.
  • If connected to external devices, check MIDI settings.
• Unusual Noise:
  • Check for loose connections.
  • Ensure the power adapter is correctly connected and not damaged.
  • If using external speakers, check their connections and power.

For more comprehensive troubleshooting, please consult the full user manual or contact Yamaha customer support.

7. Specifications

8. Warranty and Support

Your Yamaha P125 Digital Piano is covered by a manufacturer's warranty. Please refer to the warranty card included with your product for specific terms and conditions, or visit the official Yamaha website for detailed warranty information.

For technical support, service, or additional inquiries, please contact Yamaha customer service. The Installation Manual also contains important contact information and further support resources.

Installation Manual (PDF): Download Here