Crossover 223XS User Manual

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223s, 223xs,

234s, 234xs

Section 6

Troubleshooting

Section 6 - Troubleshooting

NO SOUND

If there appears to be no power:

 •CheckthateitherthestereoormonoLEDonthefrontpanelofthe234s/234xsor

223s/223xs is lit.

 •Checkthatthepowercordisseatedproperlyinthebackpanelofthecrossoverandthat

it is plugged into an active AC power source.

If there appears to be power, but no audible signal:

 •Confirmthatactiveaudiolinesareconnectedtothecrossover’sinputsandoutputs.

 •Checkthatboththeinputandoutputgaincontrolsareadvancedsufficiently.

 •Checktomakesurethatyouhaveturneduptheamplifiers’outputs.

ABNORMAL AUDIO OUTPUT

 •Ensurethatthepropermodeforyoursetuphasbeenselectedviatherearpanelmode

switches.

 •ChecktheLFSumswitch.

 •Checkthex10switch.Thischangestherangeofthecrossoverfrequencyfrom45-960

Hz to 450 Hz - 9.6 kHz.

HUM AND/OR BUZZ

If you suspect that the hum is caused by a ground loop:

 •Systematicallyremoveand/orconnecttheaudiogroundsofthedevicesinthesignal

path.

 •Remember,forsafetyyoumustmaintainconnectiontochassisground.Neverliftasafety

ground.

If you suspect the hum is not caused by a ground loop.

 •Checktheaudioatanearlierstageintheaudiochain.

 •Lowlevelequipmentshouldbemountedawayfrompoweramplifierstoavoidinduction

of this type of hum.

 •Becertainthatallaudiowiringexceptforloudspeakerlinesiswellshielded,andthat

low level wiring is not run parallel to and/or in close proximity to AC power wiring.

INTERMITTENT AUDIO

 •Checktheotherequipmentandthewiringtomakecertainthatthesignalisnot

intermittent earlier in the chain.

 •Checktheintegrityofallcablesusingacabletester.

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Crossover 223XS dbx Stereo 2-Way, Mono 3-Way with XLR Connectors