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TL-TP70-HDIR User Manual
6.
Troubleshooting & Maintenance
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No image on display:
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Ensure that the display device has been set to the correct input.
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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.
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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 compatible and working properly.
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Ensure proper grounding of the power supply.
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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 local distributor for a solution to these issues.
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No output at the ARC port
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In Bypass CEC mode:
Loose or failed HDMI or ARC connection;
Ensure HDMI IN port of TX is connected to an ARC device;
There is connection at the ARC port of TX and the device is working normally.
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In Force ARC mode:
Loose or failed HDMI or ARC connection;
There is connection at the ARC port of TX and the device is working normally.
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Color loss or poor picture quality:
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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.
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Ensure proper grounding of the power supply.
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If the static becomes stronger or picture quality becomes worse when connecting the
video connectors, this may be due to improper grounding.
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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 after following the above troubleshooting steps, seek further help
from authorized dealer or our technical support.