P
Prro
ob
blle
em
m
P
Po
ossssiib
blle
e C
Ca
au
usse
e
R
Re
em
me
ed
dyy
No sound.
1. No supply voltage.
2. Microphone arm con-
tacts soiled, shorted by
moisture, or corroded.
1. Check power supply.
2. Contact an AKG service
center.
Loud pop, wind, and/or
breath noise.
•
Microphone sits too
close to mouth or nose.
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.
6 Troubleshooting
26
AKG HC 577 L
P
Prro
ob
blle
em
m
P
Po
ossssiib
blle
e C
Ca
au
usse
e
R
Re
em
me
ed
dyy
No sound.
1. No supply voltage.
2. Microphone arm con-
tacts soiled, shorted by
moisture, or corroded.
1. Check phantom power
supply.
2. Contact nearest AKG
Service Center.
Loud pop, wind, and/or
breath noise.
•
Microphone sits too
close to mouth or nose.
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.
Microphone sounds dull.
1. Soiled windscreen at-
tenu ates high frequen-
cies.
2. Sound entries clogged.
1. Clean windscreen.
2. Clean microphone case.
Reduced sensitivity and gain
before feedback.
1. Microphone sits too far
away from corner of
mouth.
2. Sound entries clogged.
1. Place microphone
closer to corner of
mouth.
2. Clean microphone case.
Also read transmitter and receiver manuals!