Troubleshooting, Page 19 – Muxlab Active VGA Audio Balun Kit User Manual
Page 19
© MuxLab Inc.
Active VGA/Audio Balun Kit Installation Guide
Page 19
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
Sync
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