Intelix AVO-VGA2-WP-R - Manual (Page 3)

Troubleshooting
Symptom Probable Causes Possible Solutions
Image distorted or
skewed Weak or distorted
sync signal Change the screen refresh rate of the video
source to the next higher or lower setting
Adjust the Sync switch on both the send and
receive baluns
No image Attach or detach the grounding screw on either
or both of the baluns to earth ground
Unusual colors Reversed polarity Verify 110 punch pinout conforms to EIA/TIA
568A or 568B standard. If not, re-terminate the
cable.
Bad RJ45 crimp
Smearing or weak
video contrast Exceeded cable
distance Verify cable grade and total cabling distance
Reduce the screen resolution
Reduce the screen refresh rate
Horizontal bars
moving upward in
background Ground loop
problem Attach or detach the grounding screw on either
or both of the baluns to earth ground
Verify the source and destination equipment are
at the same ground potential.
Shaking image Change the screen refresh rate of the video
source to the next higher or lower setting
Background pattern EMI interference Identify possible radiating frequency sources and
isolate them from the cabling. Use shielded
twisted pair cabling.