JBL EON15 G2 manual Troubleshooting

Page 15

TROUBLESHOOTING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Symptom

Likely Cause

What to do

 

 

 

 

 

 

 

 

 

 

 

No sound

Speaker not connected to active

Verify that speaker is connected

 

 

 

 

 

AC power

and that the circuit is on

 

 

 

 

 

 

 

 

 

 

 

 

Power not switched on

Switch on power and verify that

 

 

 

 

 

 

power LED is on

 

 

 

 

 

 

 

 

 

 

 

No sound, speaker is connected

Speaker power cable is faulty or

Re-seat the power cable at

 

 

 

 

to working AC power but won’t

improperly connected.

both ends.

 

 

 

 

come on.

 

• Substitute a known-good

 

 

 

 

 

 

power cable

 

 

 

 

 

 

 

 

 

 

 

 

Blown fuse

• There are no user-serviceable

 

 

 

 

 

 

fuses in the EON15 G2.

 

 

 

 

 

 

Take your speaker to a

 

 

 

 

 

 

competent servicer.

 

 

 

 

 

 

 

 

 

 

 

No sound. Speaker comes on.

Signal source (mixer, instrument,

• Check VU meters on the

 

 

 

 

 

etc.) is not sending.

source mixer

 

 

 

 

 

 

• 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 EON15 G2 does not supply

 

 

 

 

connected directly to the MIC/

power

phantom power. Switch to a

 

 

 

 

LINE 1 input.

 

dynamic microphone, use a

 

 

 

 

 

 

battery in the microphone (if

 

 

 

 

 

 

possible), use an external

 

 

 

 

 

 

phantom power supply.

 

 

 

 

 

 

 

 

 

 

 

Signal sounds distorted and very

Excessive input signal, trying to

• Reduce the output level of

 

 

 

 

loud, PEAK light is lit most of

exceed the capabilities of the

the source.

 

 

 

 

the time.

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

overdriven

your mixer and adjust controls

 

 

 

 

is not lit.

 

as 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 grain structure

• Make sure that the

 

 

 

 

mixer controls are at very low

 

MIC/LINE switch is in the

 

 

 

 

settings.

 

LINE (disengaged) position.

 

 

 

 

 

 

• Reduce the level settings

 

 

 

 

 

 

at speaker.

 

 

 

 

 

 

Review the Owner’s Manual for

 

 

 

 

 

 

your mixer and adjust controls

 

 

 

 

 

 

as needed.

15

 

 

 

• Input sensitivity (gain)

 

 

 

• Channel faders

 

 

 

• Master faders

 

 

 

 

 

 

 

 

Image 15
Contents EON15 G2 User Guide Page Contents Welcome Stand Mounting Electrical SafetyFeatures About the EON15 G2Frequency Response SpecificationsQuickstart Available AccessoriesConnectors SwitchesControls and Connections MIX/LOOP ControlsChanging Voltage IndicatorsFuse Replacement Voltage Selection and FusesBasic Sound Reinforcement System with Stage Monitors Application ExamplesHealth Club Instruction Vocal / Acoustic-Electric GuitarDJ or Sound Reinforcement System with EON PowerSubs Keyboard Amplification and Mixing DJ System with Passive SubwoofersTroubleshooting Page Connections Balanced and Unbalanced ReferenceCables and Connectors Loudspeaker Placement and Mounting Block DiagramWho Is Protected by This Warranty? JBL Warranty and Contacts