Troubleshooting – Muxlab Active VGA Balun II Kit User Manual
Page 15
© MuxLab Inc. Active VGA Balun II Family Installation Guide
Page 15
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.
Picture
LED (TX)
Power Sync
LED (RX)
Power
Probable
Cause
Possible Solution
No Image
OFF
OFF
OFF
No power
Check power
connections
No Image
OFF
OFF
ON
No power at
Transmitter
Check power
connections. Check
distances for remote
powering
No Image
ON
---
OFF
No power at
Receiver
Check power
connections. Check
distances for remote
powering
No Image
ON
OFF
ON
PC not present
or cable
problem
Check VGA IN cable
No Image
ON
ON
ON
Cat 5 Cable
Check continuity
Check correct wiring
Smearing
ON ON
ON
Exceed
cable
length
Reduce cable length
Adjust Gain and
Equalization
Ghosting
ON ON
ON
Impedance
mismatch
Check cabling
Try different VGA
card or display
Wrong
colors
ON
ON
ON
Swapped pairs
Check wiring
Loss of
detail
ON ON
ON
Exceed
cable
length
Reduce cable length
Adjust Equalization
Image
shakes
ON
ON
ON
Too much gain
Reduce cable length
Adjust Gain and
Equalization