Dbx dbx® 223xs Benutzeranleitung

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223s, 223xs,
234s, 234xs
Section 6
Troubleshooting
12
 Section 6 - Troubleshooting
NO SOUND
If there appears to be no power:
223s/223xs is lit. 
it is plugged into an active AC power source.
If there appears to be power, but no audible signal:
ABNORMAL AUDIO OUTPUT
switches. 
Hz to 450 Hz - 9.6 kHz.
HUM AND/OR BUZZ
If you suspect that the hum is caused by a ground loop:
path. 
ground.
If you suspect the hum is not caused by a ground loop.
of this type of hum.
low level wiring is not run parallel to and/or in close proximity to AC power wiring.
INTERMITTENT AUDIO
intermittent earlier in the chain.