Troubleshooting - Boss eBand JS-10 Mode D'emploi

Troubleshooting

Problem
Power not turning on
No sound
Recorded sound is distorted
Can't play MP3/WAV file
Can't set AB REPEAT segment times correctly
The volume level of the instrument
connected to INPUT 1 jack or INPUT 2 jack is
too low .
Can't run the unit
Can't record
Can't import songs
Can't write to the SD card
Data write operation from eBand Song List
Editor to the JS-10 fails
"Unsupported Card" displayed
SD card may be broken
USB flash drive is not recognized
Cannot export to USB flash drive
Can't connect to the PC
Points to check
Make sure the JS-10's AC adaptor is properly connected to the power outlet and the JS-10 .
Could the MASTER LEVEL knob be turned down?
Are the headphones connected to the PHONES jack?
Could the SPEAKER switch be set to OFF?
Are there any songs on the SD card?
Are the [INPUT LEVEL 1] knob and [INPUT LEVEL 2] knob turned up to an excessive level?
Are the MP3 file's sampling rate and bit rate or the WAV file's sampling rate and quantization bit rate
supported by the JS-10?
Time locations A and B cannot be set less than one second apart . You must leave at least one
second between them .
Are you using a connection cable that contains a resistor?
Use connection cables that do not contain resistors .
Is the external device's volume properly adjusted?
Are the [INPUT LEVEL 1] knob and [INPUT LEVEL 2] knob turned down?
Is a mic connected with INPUT GAIN switched to the guitar setting? Adjust the INPUT GAIN .
Is the message "IDLING . . . " displayed on the JS-10's screen?
Run the unit after disconnecting the USB connection .
Is the SD card completely inserted into the JS-10?
Are you sure the write protection switch on the SD card in the JS-10 is not in the LOCK position?
Does the SD card have too little free space available?
Are you using an SD card that is verified to work with the JS-10?
Do you have more than 4,000 songs (including WAV and MP3 files)?
Delete any songs you don't need .
The JS-10 only handles up to 2,000 artists and albums combined . Delete any unneeded artists or
albums .
Is the SD card completely inserted into the JS-10?
Are you using an SD card that is known to work with the JS-10?
The following causes may be possible if the data on the SD card is corrupted .
• Could the power have been turned off during recording or while the JS-10 was connected via USB
to your PC?
• Did you disconnect the USB cable while the JS-10 was connected to your PC?
• Did you remove the SD card while the JS-10 was still turned on?
• Could the SD card have been subjected to strong impact?
Reinitialize the SD card .
Is the USB flash drive completely inserted into the JS-10?
The JS-10 supports FAT-formatted USB flash drive . If the USB flash drive is not FAT-formatted, use a
PC to reformat the USB flash drive in FAT format .
Is the USB flash drive write protected?
Does the USB flash drive have too little free space available?
Is the USB cable properly connected?
Is the PC turned on?
Are you using an OS supported by the JS-10?
Is the SD card completely inserted?
Are you using an SD card that is verified to work with the JS-10?
Adjust the INPUT LEVEL 1/2
knobs or SONG LEVEL so that
"" does not light .
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