Troubleshooting - Lightware UMX-OPT-TX150R User Manual

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8. Troubleshooting

8
T roubleshooting
Usually, if the system seems not to transport the signal as expected, the best
strategy for troubleshooting is to check signal integrity through the whole
signal chain starting from source side and moving forward to switcher end.
General Problems – Check the Device
At first, check front panel LEDs and take the necessary steps according
to their states. For more information about status, LEDs see
Panel LEDs and Rear Panel LEDs
Pictogram Legend
Section to connections/cabling.
Section to front panel operation.
Section to LDC software.
LW2 Section to LW2 protocol commands.
Front
section.
UMX-OPT-TX150R – User's Manual
Symptom Root cause
Device(s) not powered Check the extenders and the other devices if they are properly powered; try to unplug and
properly reconnect them.
Due to the high data rates cables must fit very well, check all the connectors. If your source
Cable connection problem
or display has more connectors then make sure that the proper input port is selected.
Due to the high data rates, high quality cables must be used. It is recommended to use
Cable quality problem
OM3 or OM4 cables.
Endface surface of the
fiber optical cable became Use special fiber optical cable cleaning equipment to clean it carefully.
contaminated.
Display is not capable of
receiving the sent video Try emulating your display device's EDID to the source.
No picture
Format.
on the video
output Not proper crosspoint setting Check the connection between the inputs and the output port.
Check whether your source is powered on and configured properly. The HDMI output can
Source power and be turned off on most DVD players. If the source is a computer, then verify that the VGA
configuration problems output is selected and active. Try restarting your computer; if you get a picture during the
booting process, you have to review the driver settings.
Many video sources send HDCP protected signal if they detect that the sink is HDCP
capable – even if the content is not copyrighted. This can cause trouble if a HDCP capable
Non HDCP compliant display device (for Example optical extender) is connected between the source and the display.
In this case the content can't be viewed on non-HDCP capable displays. Disable HDCP
function.
HDCP is disabled Enable HDCP on the input port.
Not the desired picture Video output is set to test pattern (no sync screen) as there is no picture on video source.
displayed on the video output Check video settings of the source.
HDMI output
HDMI mode was set to DVI Check the properties of the output port and set to HDMI or Auto.
signal
contains no
DVI EDID is emulated Check the EDID and select and HDMI EDID to emulate.
audio
Cable connection problem Check whether your serial cable is properly connected and check the wiring of the plugs.
RS-232 mode is not right Check the RS-232 mode settings (pass or control)
Action
Video signal
RS-232 signal
58
Refer to
3.3.9
3.3
4.7.5
5.6.1
5.3
4.8
5.4
5.4
5.5
5.6
2.3.3
LW2 6.4.5