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9
AKG PERCEPTION 420
No sound.
Distortion.
1. Power to mixer and/or amplifier is off.
2. Channel or master fader on mixer,or volume
control on amplifier is at zero.
3. Microphone is not connected to mixer or ampli-
fier.
4. Cable connectors are seated loosely.
5. Cable is defective.
6. No supply voltage.
1. Channel gain control on mixer set too high.
2. Microphone too close to sound source.
3. Microphone sensitivity set too high.
1. Switch power to mixer or amplifier on.
2. Set channel or master fader on mixer or volume
control on amplifier to desired level.
3. Connect microphone to mixer or amplifier.
4. Check cable connectors for secure seat.
5.
Check cable andreplace if damaged.
6. Switch phantom power on.
Phantom power supply: insert batteries.
Check cable andreplace if necessary.
1. Turn gain control down CCW.
2. Move microphone further away from sound
source.
3. Switch preattenuation pad in.
Problem Possible Cause Remedy
6 Troubleshooting