Muxlab Component Video Hub User Manual
Page 16

© MuxLab Inc.
Component Video Hub Installation Guide
Page 16
Digital Audio
Digital
Audio LED
Probable Causes
Possible Solutions
No audio
OFF
Power off.
Check power supplies of the audio
equipment.
No audio
ON
Wrong pin configuration.
Check pin configuration and verify straight-
thru wiring.
No audio
ON
No continuity in video link.
Verify cable continuity between pairs of
baluns.
No audio
ON
Improper connection Swapped
pairs.
Check that baluns are connected to correct
video inputs and outputs.
Missing
channels
ON
Cabling problem between the
decoder/amp and the audio
speakers.
Check audio speaker cabling.
Noise, static
ON
EMI interference.
Check that wiring is not too close to
transformers and ballasts.
Noise, static
ON
Distance exceeded or unusual cable
attenuation.
Check cable distance and cable grade.
When contacting your nearest MuxLab dealer or MuxLab Technical Support please have
the following information ready:
•
Unit model number.
•
Cabling lay-out. Include model of
component video source and
receiver, cable length and type.
•
Description of problem.
•
List of tests performed.