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Troubleshooting
7 Troubleshooting
64
All manuals and user guides at all-guides.com
RISK OF INJURY!
Only authorised service personnel may open the device for troubleshooting.
ATTENTION
Problem
Problem
Problem
Problem
No sound
Distorted signal
reproduction
Indeterminate malfunction
If the error persists despite these instructions, contact AKG Acoustics GmbH or your AKG
dealer immediately.
Possible cause
Possible cause
Possible cause
Possible cause
Plug of PSU 10 is not
Connect PSU 10
connected to MASTER
CONTROL
Voltage at modules less than ±
Reduce cable length
10.9 V
No earth potential, metal drain
Use new CAT5 cable
wire has been cut
Cable not properly connected
Connect bus cable correctly
LINE OUT module is not
Connect output module to
connected to amplifier
amplifier
Microphone or auxiliary device
Connect microphone or
not connected
auxiliary device to unit
Selector switch on MIC/LINE or
Set selector switch to MIC
MIC/ZOOM is set to LINE input
Volume control set to minimum Turn up volume control
Phantom power is switched off Switch on phantom power for
condensor microphone
Volume control turned up too
Turn down volume
far
Input signal level too high
Reduce input signal
Selector switch on MIC/LINE or
Set selector switch to LINE
MIC/ZOOM is set to MIC input
Voltage at modules less than ±
Reduce cable length
10.9 V
Cable not properly connected
Connect bus cable correctly
No earth potential, metal drain
Use new CAT5 cable
wire has been cut
Earth loop due to earthing of
Use TRAFO IN or TRAFO OUT
external equipment
transformer modules
Remedy
Remedy
Remedy
Remedy
AMM 10
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