What to do if data on the USB flash drive was damaged on my Roland Jupiter-50?
- KKevin GarciaSep 12, 2025Format the USB flash drive on the JUPITER-50 if you turned off the power while the USB song player/recorder was operating. 

What to do if data on the USB flash drive was damaged on my Roland Jupiter-50?
Format the USB flash drive on the JUPITER-50 if you turned off the power while the USB song player/recorder was operating.
What to do if my Roland Synthesizer power won’t turn on?
Ensure the power cord is correctly connected to your Roland Synthesizer. Avoid using any AC adapter or power cord other than the one supplied, as this can cause malfunctions.
Why is the sound distorted on my Roland Synthesizer?
If a specific Part or Live Set layer's sound is distorted, reduce the volume for that Part or Live Set layer. If the overall sound is distorted, try lowering the [VOLUME] knob. Also, check the system setting 'SOUND' to ensure the Output Gain is not raised excessively.
What to do if audio files on my Roland Jupiter-50 Synthesizer USB flash drive won’t play?
Ensure that the audio file type is compatible with your Roland Synthesizer; refer to the manual section 'Song files that can be played' for supported formats. Also, check the [VOLUME] knob setting, the Song Level setting, and the SONG EQ’s Level setting to make sure the level isn't turned down.
How to fix wrong pitch on Roland Synthesizer?
Verify the 'Master Tune' setting in your Roland Synthesizer's system settings to ensure the tuning is correct. Also, check the pedal and pitch bender to see whether the pitch has been changed by a pedal operation or by a pitch bend message received from an external MIDI device.
What to do if my Roland Jupiter-50 Synthesizer USB flash drive is not detected or song files are not displayed?
Format the USB flash drive on your Roland Synthesizer. The device can use USB flash drives formatted as FAT. It cannot recognize drives formatted in other formats like NTFS.
When using sequencer software, why operating knobs or other controls does not affect the sound on my Roland Jupiter-50 Synthesizer?
If you want to record system exclusive messages, turn on the Local Switch parameter, because some sequencer software does not “soft thru” system exclusive messages.
Why does changing the tempo not affect the arpeggio tempo or delay time on my Roland Synthesizer?
If the system setting 'USB Song Sync Mode' has been set to 'SLAVE,' change the tempo of the external device that is transmitting MIDI clock data. If 'Sync Mode' is set to 'SLAVE.'
Why is the effect not applied on my Roland Jupiter-50?
First, check the on/off setting of each effect. Then, ensure each layer’s Output Assign is set to 'MFX'. Finally, confirm that the send level to each effect is not set to 0. The effect won’t be obtained if the send level to that effect is set at 0. Even if the send levels to the effect are set above 0, the effect won’t be applied if the multi-effect output level, or reverb level are set to 0. Check each of these settings.
What to do if I hear noise and distortion in the recorded sound on my Roland Synthesizer?
Adjust the Recording Level knob as high as possible without causing the level meter’s CLIP indicator to light up red on your Roland Synthesizer. This ensures that the input sensitivity is appropriately set.
| Bit rate | 16 bit | 
|---|---|
| Pitch wheel | Yes | 
| Product type | Digital synthesizer | 
| Product color | Black | 
| Sound effects | Reverberation | 
| Keyboard number of keys | 76 | 
| Maximum polyphony (notes) | 128 | 
| Display type | LCD | 
| Power source type | DC | 
| Headphone outputs | 1 | 
| 6.35 mm (1⁄4-inch) input | 2 | 
| 6.35 mm (1⁄4-inch) output | 4 | 
| Depth | 361 mm | 
|---|---|
| Width | 1268 mm | 
| Height | 117 mm | 
| Weight | 11000 g | 
Instructions for preventing fire, electric shock, or injury to persons.
Explanation of WARNING and CAUTION notices and symbols used in the manual.
Explanation of symbols indicating forbidden actions, required actions, and important information.
Important safety precautions and guidelines to observe during unit operation.
Instructions and precautions regarding the unit's power supply and AC adapter.
Explanation of SuperNATURAL acoustic tones and their expressive capabilities.
Explanation of SuperNATURAL synth tones, their structure, and range.
Overview of the JUPITER-50's sound generator, including Registration, Live Sets, and Tones.
Explanation of how a registration is structured, including parts and settings.
Explanation of Roland's SuperNATURAL Tones and their advanced realism.
Details on Behavior Modeling Technology for realistic instrument behavior simulation.
Explanation of the JUPITER-50's three-part registration system for performance.
Explanation of how the JUPITER-50's sound generator is organized into Tones, Live Sets, and Registrations.
Definition of a Live Set as a combination of up to four tones for expressive sounds.
Definition of a Registration as a combination of part settings and JUPITER-50 settings.
Instructions on how to turn Split or Solo Split mode on and off.
How to turn the arpeggiator on and off for the Upper or Lower Part.
How to use the D-BEAM controller to modify pitch and volume.
How to use the pitch bend/modulation lever for pitch changes and vibrato.
How to play back audio files saved on a USB flash drive.
How to back up all JUPITER-50 settings to a USB flash drive.
Step-by-step guide for backing up JUPITER-50 settings to a USB flash drive.
How to restore JUPITER-50 settings from a USB flash drive.
Procedure for exporting JUPITER-50 sound data to a USB flash drive.
Procedure for importing sound data from a USB flash drive into the JUPITER-50.
How to access and change system settings for the entire JUPITER-50.
Explanation of each system parameter and how they are organized.
How to save system settings so they are remembered after power off.
Step-by-step guide to connecting the JUPITER-50 to a computer via USB.
How to use the JUPITER-50 to control external MIDI devices as a master keyboard.
List of parameters for modifying SuperNATURAL Acoustic Tones in Live Sets.
Troubleshooting steps for common overall problems like power and no sound.
Troubleshooting steps for issues related to synthesizer sound production.
Troubleshooting steps for issues with the USB memory song player/recorder.
Troubleshooting steps for problems with external MIDI devices.
Troubleshooting steps for issues when recording from external devices.
Troubleshooting steps for problems related to the USB flash drive.