JBL EON G2 User Manual - Troubleshooting
14
Troubleshooting
Symptom
Likely Cause
What to do
No sound. Speaker comes on.
Signal source (mixer, instrument,
Check VU meters on the source
SIGNAL LED does not
etc.) is not sending.
mixer.
illuminate.
Verify that the tape or CD is playing.
Use headphones to verify that the
instrument is actually sending an
audio signal.
Faulty cables and connections.
Disconnect and re-seat signal
cables.
Replace suspected cable with a
known-good cable.
No sound with microphone
Microphone requires phantom
The EON10 G2 does not supply
connected directly to the MIC / power.
phantom power. Switch to a
LINE 1 input. SIGNAL LED
dynamic microphone, use a
does not illuminate.
battery in the microphone (if
possible), use an external
phantom power supply.
Signal sounds distorted and very
Excessive input signal,
Reduce the output level of the
loud, PEAK light is lit most of
exceeding the capabilities
source.
the time.
of the speakers.
Turn down the LEVEL controls
on the speaker.
Use additional EON speakers.
Signal sounds distorted even at Mixer or other source is
Review the Owner’s Manual for
moderate volumes, PEAK light is overdriven.
your mixer and adjust controls as
not lit.
needed.
• Input sensitivity (gain)
• Channel faders
• Master faders
Once this is done, review the
instructions in the Quick Start
section of this guide.
Lots of hiss in the sound, the
Improper gain structure or noisy
Make sure that the MIC/LINE
mixer controls are at very low
source device.
switch is in the LINE
settings.
(disengaged) position.
Reduce the LEVEL settings at the
speaker.
Review the Owner’s Manual for
your mixer and adjust controls as
needed.
Noise or hiss heard at output.
Noisy source device.
Disconnect the devices that are
connected to your speaker one at
a time. If the noise goes away, the
problem is with the source or the
connecting cable.