Instruction Manual

© MuxLab Inc. Active VGA/Audio Balun Kit Installation Guide
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4.
Troubleshooting
The following table describes some of the problem symptoms, the
probable causes and possible solutions. If the information below
does not solve the problem, the technical support contact
information can be found at the end of this section.
Problem LED (Tx)
Power Syn
c
LED (Rx)
Power
Probable Cause Possible Solutions
No Image
No Sound
No Data
No IR
OFF OFF OFF No power •Check power connections
No Image OFF OFF ON No power at Transmitter •Check power connections
No Image ON --- OFF No power at receiver •Check power connections
No Image ON OFF ON Source not present or
cable problem
•Check VGA cable
No Image ON ON ON Cat 5e/6 cable •Check continuity
•Check correct wiring
Smearing ON ON ON Cable length exceeded • Reduce cable length
•Adjust Brightness, Sharpness & Skew
Ghosting ON ON ON Impedance mismatch •Check cabling
•Try different source or display
Wrong
Colors
ON ON ON Swapped pairs •Check wiring
Loss of
Detail
ON ON ON Cable length exceeded •Reduce cable length
•Adjust Sharpness & Skew
Shaky
Image
ON ON ON Too much gain •Reduce cable length
•Adjust Brightness & Sharpness
No Sound
(Analog
Audio)
ON --- ON No connection or not
selected
•Check continuity
•Check correct wiring
•Position selection switch (DA/AA) on
position AA on transmitter & receiver.
No Sound
(Digital
Audio)
ON --- ON No connection or not
selected
•Check continuity
•Check correct wiring
•Position selection switch (DA/AA) on
position DA on transmitter & receiver.
Bad
Sound
ON --- ON Cable length exceeded •Reduce cable length
No RS-
232
ON --- ON IR sensor or emitter
connected
•Unplug the IR connectors
No IR ON --- ON Wrong pin-out •Check IR connection