Altronics Redback A 4041A Mode d'emploi - Page 3
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Imprimer la pageREDBACK 40 Watt Public Address Amplifier
TROUBLESHOOTING
If the REDBACK amplifier fails to deliver the rated performance, check the following:
NO POWER, NO LIGHTS
Check the mains fuse, and the external DC fuse. Replace with only the correct type and rating. Make sure the amplifier
power switch is on. Make sure mains power switch is on at the wall.
DISTORTED OUTPUT
Check that the speaker type is correct for the output that you are using, ie 8Ω or 100V. Check for any short circuits on
the speaker line.
VERY LOW OUTPUT
Make sure that the input is the correct level (check for shorted connectors). Check for any short circuits on the speaker
line.
CONTINUALLY BLOWS FUSES
Make sure that the speaker line is not shorted. Check also speaker types, ratings and output.
AMPLIFIER KEEPS ON CUTTING IN & OUT
Make sure that there is adequate ventilation around the amplifier. Check the vent slots on the case are not covered or
blocked. Check the speaker types, ratings and for any short circuits on the speaker line.
24V DC
Remote volume
connector
Alert/evac tone
Mic phantom power jumpers
generator connection header
Alert/Evac
VOX
Mute Level
VOX ON/OFF SETTINGS
Sensitivity
ON
OFF
VOX ON/OFF
Fig 2: Board Layout
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