Troubleshooting & Maintenance - J-Tech Digital NA-EX01R Operating Instructions Manual

TROUBLESHOOTING & MAINTENANCE
No image on display:

Ensure that the display device has been set to the correct input.

Ensure that the HDMI cables used for both the source/transmitter and the

receiver/display are properly connected and are working. Test the HDMI cables
directly from a source to display and ensure their operation.
Ensure that the CAT5e/CAT6a cable has not been damaged and that it has

been terminated correctly with T568B on both ends. A temporary length of
CAT5e/Cat6 can be used for testing to ensure that the devices are all
compatible and working properly.
Ensure proper grounding of the power supply.

Known issues with HDMI 1.2 source devices:

Older compatibility (HDMI 1.2) may result in HDBaseT transmission issues.

Please contact Technical Support of your director for a solution to these issues.
Color lose or poor picture quality:

Ensure that the HDMI cables used for both the source and transmitter and the

receiver and display are properly connected and are of good quality. Test the
HDMI cables directly from a source to display and ensure their picture quality.
Ensure proper grounding of the power supply.

If the static becomes stronger or picture quality becomes worse when

connecting the video connectors, this may be due to improper grounding.
Check the grounding and make sure all the components are properly grounded

to a common ground. Improper grounding may cause damage to the receiver.
If your problem still remaining after following the above troubleshooting steps,
please find further assistance.
7