JBL Professional EON10 G2 - Manual (Page 14)

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.