Troubleshooting; Use Cases - Lightware UMX-TPS-TX100 Series User Manual

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9. Troubleshooting

9
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 the receiver end.
Link to connections/cabling section.
Link to front panel operation section.
Link to LDC software section.
LW2 Link to LW2 protocol commands section.
LW3 Link to LW3 protocol commands section.
The following sections are available in the chapter:

Use Cases

Î
How to Speed Up the Troubleshooting Process
Î
UMX-TPS-TX100 series – User's Manual
9.1. Use Cases
At first, check front panel LEDs and take the necessary steps according to their states. For more information
about status, LEDs refer to
Symptom
No picture on the Device or devices are not
video output powered properly
Cable connection
problem
TPS mode problem
The input port is muted
The output port is muted Check the mute state of output port.
Display is not able to
receive the video format
HDCP is disabled
Not the desired Video input is set to test
picture displayed pattern (no sync screen)
on the video statically
output
Video source is set to
Testpattern input (I6)
Video output is set to
test pattern (no sync
screen) as there is no
picture on video source
Front Panel LEDs and Rear Panel LEDs sections.
Root cause Action
Video signal
Check the extenders and the other
devices if they are properly powered; try
to unplug and reconnect them.
Cables must fit very well, check all the
connectors (video and TPS cables).
Check the actual TPS mode and the
selected modes of the extenders.
Check the mute state of input port.
Check the emulated EDID; select another
(e.g. emulate the display's EDID on the
input port).
Enable HDCP on the input and output
ports.
Check test pattern settings in the
properties of the input ports.
Check the crosspoint settings
Check video settings of the source.
107
Refer to
3.7.1
3.7.2
3.7
5.5.4
LW3 7.4.24
5.5
LW2 6.3.6
LW3 7.4.1
5.5.4
LW2 6.3.6
LW3 7.4.2
5.7
LW3 7.14
5.5.2
5.5.4
LW3 7.4.17
LW3 7.4.21
5.6.2
LW3 7.4.18
5.4
LW2 6.3.6
LW3 7.4.3