Troubleshooting - Harman AKG P420 Modo De Empleo

Troubleshooting

6 Troubleshooting
Problem
No sound
Distortion
Crackling noises or low output
22
Possible Cause
Power to mixer and/or amplifier is
off.
Channel or master fader on mixer,
or volume control on amplifier is at
zero.
Microphone is not connected to
mixer or amplifier.
Cable connectors are seated
loosely.
Cable is defective.
No supply voltage
Channel gain control on mixer set
too high.
Microphone too close to sound
source.
Microphone sensitivity set too high. Switch preattenuation pad in.
Partial short circuits due to
excessive humidity.
Remedy
Switch power to mixer or amplifier
on.
Set channel or master fader on mixer
or volume control on amplifier to
desired level.
Connect microphone to mixer or
amplifier.
Check cable connectors for secure
seat.
Check cable and replace if damaged.
Switch phantom power on.
Phantom power supply: connect to
power outlet or insert battery
(batteries).
Check cable and replace if
necessary.
Turn gain control down CCW.
Move microphone further away from
sound source.
Place microphone in warm, dry room
and allow to dry.
P420