To Next PageTo Next PageWhy is the Yamaha Musical Instrument volume low, or why is there no sound?
The master volume might be set too low. Adjust it to an appropriate level using the [MASTER VOLUME] control. Also, ensure headphones are not connected to the headphones jack. Finally, verify that Local Control is turned ON.
General| Brand | Yamaha |
|---|---|
| Model | YDP-123 |
| Category | Musical Instrument |
| Language | English |
Explains safety graphics and cautions for electronic products.
Indicates where to find model and serial number information.
Outlines the main sections: Introduction, Reference, and Appendix.
Notes that control illustrations are for guidance only.
Covers power supply, opening unit, water hazards, fire, and abnormality detection.
Details cautions for power cord, assembly, location, and general handling.
Covers connecting components, power off procedure, and cleaning methods.
Provides warnings on handling, volume levels, and using the bench safely.
Lists included items like music book, manual, guide, and bench.
Details cleaning methods and notes on tuning stability.
Describes PHONES jack and MIDI IN/OUT/THRU ports.
Explains MASTER VOLUME, DEMO, METRONOME, and VOICE controls.
Instructions for opening and closing the key cover safely.
Details on how to raise and lower the music rest.
Step-by-step guide to connect and turn on/off the instrument.
How to set the master volume to a comfortable listening level.
Instructions for connecting headphones to the instrument.
Guide to installing the included headphone hanger.
Details instrument parts, demo songs, preset songs, voices, and pedals.
Covers reverb, dual mode, transposition, metronome, and MIDI connections.
Includes PC connection, MIDI functions, troubleshooting, options, and assembly.
Identifies the top panel components and their functions.
Details specific buttons like POWER, DEMO, METRONOME, VOICE, and jacks.
Step-by-step guide to play demo songs using the DEMO button and keys.
Lists demo songs by key, voice name, title, and composer.
Instructions on how to select and play preset songs.
Guide to selecting voices and their descriptions.
Explains the function of the Damper pedal.
Describes the function of the sostenuto and soft pedals.
How to select different reverb types for acoustic ambience.
Guide to adjusting the depth of the reverb effect.
Instructions to combine two voices simultaneously.
Explains how to set octave shift and balance for combined voices.
How to shift the pitch of the entire keyboard.
Guide to fine-tune the instrument's pitch for ensemble playing.
Instructions to start the metronome and set the time signature.
How to set the tempo for the metronome and preset songs.
How to change the volume level of the metronome sound.
Explains MIDI connectors (IN/OUT/THRU) and necessary cables.
Outlines two methods for connecting to a PC: MIDI interface and USB interface.
Details connecting via MIDI interface and cables.
Explains connecting via USB interface and cables.
How to match transmit/receive channels for data transfer.
Explains how to control the internal tone generator locally or via MIDI.
Controls response to MIDI program change numbers.
Manages response to MIDI control change data.
Solutions for power issues, audible noise, and low volume.
Addresses problems with the damper pedal's effect.
Lists optional accessories like a bench and headphones.
Instructions for attaching side panels to the pedal box and the rear panel.
Steps for mounting and fixing the main unit to the stand.
Guide to connecting the pedal cord and power cord.
Instructions for setting the adjuster and performing final assembly checks.
Lists details on MIDI data format and implementation charts.
Provides an overview of technical specifications for the YDP-123.
Explains MIDI NOTE ON/OFF and CONTROL CHANGE message formats.
Details various MIDI mode messages like All Sound Off and Omni Off.
Covers program change data and system realtime messages.
Explains Universal System Exclusive message formats.
Details XG standard and Digital Piano MIDI exclusive messages.
Explains special control and other system exclusive MIDI messages.
Summarizes MIDI functions, transmission, and recognition.
Details keyboard, sound source, polyphony, and voice selection specs.
Lists controls, pedal, connections, amplifiers, speakers, and dimensions.
Covers power, ventilation, temperature, wet locations, and accessory use.
Details servicing, high volume warnings, and proper product handling.
Explains FCC regulations and warns against unit modification.
Details colour coding for UK mains lead connection.
