www.tlnetworx.com,
TL-TP70-HDIR+ User+ Manual
6. Troubleshooting+&+Maintenance+
l No+image+on+display:+
l Ensure"that"the"display"device"has"been"set"to"the"correct"input."
l Ensure"that"the"HDMI"cables"used"for"both"the"source/transmitter"and"the"
receiver/display"are"prop erly"co n nec ted "and "are"w o rking ."Tes t"the"H D M I"cab les"d irectly"
from"a"source"to"display "an d"en su re"the ir"op eratio n. "
l Ensure"that"the"Cat5e/Cat6"cable"has"not"been"damaged "and"that"it"has"been"
terminated"correctly"with "T56 8B "on "both "en ds."A "tem po rary "length "of"C at5e /C at6"ca n"
be"used"for"testing"to"ensure"that"the"devices"are"all"compatible"and"working"properly."
l Ensure"proper"grounding"of"the"power"supply."
l 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"issu es ."
l No+output+at+the+ARC+port+
l In"Bypass"CE C "m o d e :"
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."
l In"Force"ARC "m o d e :"
Loose"or"failed"HDMI"or"ARC"connection;"
There"is"connection"at"the"ARC"port"of"TX"and"the"device"is"working"normally."
l Color+loss+or+poor+picture+quality:+
l 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."
l Ensure"proper"grounding"of"the"power"supply."
l If"the"static"beco mes"stronger"or"pictu re "q u alit y"becomes"worse"when"connecting"the"
video"connectors,"this"may"be"due"to"improper"grounding."
l Check"the"grounding"and"make"sure"all"the"components"are"properly"grounded"to"a"
common"ground."Improper"ground ing"may"cause "damag e"to"the"receiver."
If"your"problem"persists"after"following"the "a b ove"troublesho o tin g "steps,"seek"furth er "h elp "
from"authorized"dealer"or"our"technical"support." "
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