Installation guide

© 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.