Troubleshooting - AKG Acoustics C 477 Modo De Empleo

5 Cleaning
5.3 Windscreen

6 Troubleshooting

Problem
1. No sound:
2. Loud pop, wind, and/or
breath noise:
3. Microphone sound
becomes duller by and by:
4. Reduced sensitivity and
gain-before-feedback:
12
Use a mild detergent solution to wash the windscreen. The windscreen
will be ready for use as soon as it has dried completely.
Possible Cause
1. No supply voltage.
2. Microphone arm contacts
soiled, shorted by
moisture, or corroded.
1. Microphone sits too close
to mouth or nose.
2. No windscreen attached.
1. Soiled windscreen attenu-
ates high frequencies.
2. Sound entries clogged.
1. Microphone sits too far
away from corner of
mouth.
2. Sound entries clogged.
Remedy
1. Check phantom power
supply.
2. Contact an AKG service
center.
1. Align microphone sound
entries with corner of
mouth and move micro-
phone just far enough
away from mouth and nose
to stop breath noise.
2. Attach windscreen.
1. Clean windscreen.
2. Clean microphone case.
1. Place microphone closer to
corner of mouth.
2. Clean microphone case.