JBL Professional G2 manual Troubleshooting, Symptom, Likely Cause, What to do, SIGNAL LED does not

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.

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