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Section 9: Appendix B
Trouble Shooting
If there is no sound from your speakers, check these settings:
• Make sure a signal source is connected and producing sound.
• Make sure the blue power ON LED is illuminated on the front of the speaker.
• Make sure the volume control is not set to the full counter clockwise position.
• Conrm the power cable is connected and the power switch is set to the ON position.
• If the blue LED on the front of the speaker does not illuminate, examine the fuse for possible failure of the fuse.
Turn the Power Switch to the OFF position. Remove the power cord and remove the fuse holder as illustrated.
Examine the fuse. If the fuse has a discontinuity in the internal wire or the fuse glass has dark spots as evidence
the fuse has failed, install a new fuse using the spare included in the fuse holder. Replace the fuse holder and try
to re-power the system. If the system does not re-power, please contact JBL Professional Customer Service.
• When using the LSR2310SP Subwoofer: If the system sounds as if it lacks low frequency conrm the subwoofer
is powered ON and the volume control is not set to full counter clockwise setting.
If the above measures do not correct the problem, please contact JBL Professional Customer Service.