Why is there no sound from my Yamaha Electronic Keyboard?
- JJamie ButlerAug 12, 2025
If no sound is coming from your Yamaha Electronic Keyboard, check that nothing is connected to the PHONES/OUTPUT jack on the rear panel.
Why is there no sound from my Yamaha Electronic Keyboard?
If no sound is coming from your Yamaha Electronic Keyboard, check that nothing is connected to the PHONES/OUTPUT jack on the rear panel.
Why does the style or song not sound properly on my Yamaha Portatone EZ-250i?
If the style or song on your Yamaha Electronic Keyboard doesn't sound properly, ensure that the Style Volume or Song Volume is set to an appropriate level.
What to do if my mobile phone is producing noise on Yamaha Portatone EZ-250i Electronic Keyboard?
If you are experiencing noise when using a mobile phone close to your Yamaha EZ-250i Electronic Keyboard, this interference may be the cause. To prevent this, turn off the mobile phone or use it further away from the EZ-250i.
Why does the footswitch produce the opposite effect on my Yamaha Electronic Keyboard?
If the footswitch seems to produce the opposite effect on your Yamaha Electronic Keyboard, the polarity of the footswitch may be reversed. Make sure that the footswitch plug is properly connected to the SUSTAIN jack before turning on the power.
Why are voices cut off on my Yamaha Portatone EZ-250i Electronic Keyboard?
If not all of the voices seem to sound, or the sound seems to be cut off on your Yamaha EZ-250i Electronic Keyboard, it may be because the EZ-250i is polyphonic up to a maximum of 32 notes. If the Dual voice or Split voice is being used and a style or song is playing back at the same time, some notes/sounds may be omitted (or “stolen”) from the accompaniment or song.
Why does the Yamaha Portatone EZ-250i Electronic Keyboard sound strange?
If the sound of the voices or rhythms seems unusual or strange on your Yamaha Electronic Keyboard, the battery power may be too low. Replace the batteries.
How to fix flanging sound on Yamaha Portatone EZ-250i?
When using the style with a sequencer, set MIDI Echo (or the relevant control) to “off” to avoid a strange “flanging” or “doubling” sound on your Yamaha EZ-250i Electronic Keyboard.
Why does my Yamaha Portatone EZ-250i Electronic Keyboard make a popping sound?
This popping sound when the Yamaha EZ-250i Electronic Keyboard is turned on or off is normal and indicates that the EZ-250i is receiving electrical power.
Type | Portable Keyboard |
---|---|
Number of Keys | 61 |
Touch Response | Yes |
Polyphony (Max) | 32 |
Styles | 100 |
Lesson Function | Yes |
Display | LCD |
Built-in Songs | 100 |
Power Supply | AC Adapter or Batteries |
Effects | Reverb, Chorus |
Connectivity | Headphone Jack |
Basic safety precautions to avoid injury, shock, damage, fire, or hazards.
Precautions to avoid physical injury or instrument damage.
Detailed description of buttons and their functions on the front panel.
Description of rear panel jacks for USB, Sustain, Headphones, and Power.
Information on using AC power adaptor vs. batteries for instrument operation.
Instructions for powering on, connecting accessories like headphones, and other jacks.
How to adjust master volume and understand display indications and settings.
How to instantly select and play the Grand Piano voice.
How to select and play individual instrument voices.
Explains Single Finger and Fingered chord methods for auto accompaniment.
How to select and play preset songs and songs from flash memory.
Introduction to the lesson feature for learning to play songs step-by-step.
How to select and adjust various instrument settings via the Function mode.
Comprehensive list and description of all adjustable instrument functions.
Information on data stored in flash memory and backup procedures.
Troubleshooting guide for common issues encountered with the instrument.