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6. Troubleshoo�ng & 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/transmi�er and the
receiver/display are properly connected and are working. Test the HDMI
cables directly from a source to display and ensure their opera�on.
● Ensure that the Cat5e/Cat6 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
compa�ble and working properly.
● Ensure proper grounding of the power supply.
● Known issues with HDMI 1.2 source devices:
Older compa�bility (HDMI 1.2) may result in transmission issues. Please
contact Technical Support of your local distributor for a solu�on to these
issues.
● Color loss or poor picture quality:
● Ensure that the HDMI cables used for both the source and transmi�er 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 sta�c becomes stronger or picture quality becomes worse when
connec�ng 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 persists a�er following the above troubleshoo�ng steps, seek further
help from authorized dealer or our technical support.
TL-TP70-HD2ARC User Manual
www.tlnetworx.com
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