Lightware MX2-16x16-DH-8DPi-A-R, Руководство пользователя

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11. Troubleshooting MX2-HDMI20 series – User's Manual 105
Applied firmware package: v1.7.0 | LDC software: v2.5.1b5
11.1. Use Case Studies
Symptom Root cause Action Refer to
Video signal
No picture on the
video output
Device(s) not
powered properly
Check the matrix and the other devices if
they are properly powered; try to unplug and
reconnect them.
4.3
Cable connection
problem
Cables must fit very well, check all the
connectors.
4.3
No incoming
signal
No video signal is present on the HDMI input
ports. Check the source device and the HDMI
cables.
4.3
Not the proper
video port is the
active one
Check the video crosspoint settings. 3.1.1
7.4
LW2
8.4
LW3
9.5.1
Not the proper
interface is the
active one
If the source/display has more connectors,
check if the proper interface is selected.
Output port is
muted
Check the mute state of output ports. 7.6
LW2
8.4.6
LW3 9.8.1
Display is not able
to receive the
video format
Check the emulated EDID and select another
(e.g. emulate the display’s EDID on the input
port).
3.2.4
7.8
LW3
9.14
HDCP is disabled Enable HDCP on input port(s) of the matrix.
6.4.1
LW3
9.5.6
No picture on the
video
signal error rate
is high, HDMI2.0
scrambling is
disabled, clock
rate is set 1:10
The source sends
4K signals, but the
emulated EDID is
not supported this
resolution.
Check the emulated EDID and select another
(e.g. F139 EDID on the input port).
3.2.4
7.8
LW3
9.14
Symptom Root cause Action Refer to
Audio signal
No audio is present on
output
Other audio port is
switched to the output
Check the audio crosspoint
settings.
3.1
7.4.1
LW2
8.4.5
LW3
9.7.1
Output port is muted Check the output port
properties.
3.2.3
7.6
LW2
8.4.6
LW3
9.8.1
Analog audio input: volume
is set very low
Check the Analog audio input
port settings (Volume).
3.2.2
7.5.1
LW3
9.7.2
Analog audio output:
volume is set very low
Check the Analog audio output
port settings (Volume).
3.2.3
7.6
LW3
9.11.2
HDMI output signal
contains no audio
HDMI mode was set to DVI Check the properties of the
output port and set to HDMI or
Auto.
3.2.3
7.6
LW3
9.9.1
DVI EDID is emulated Check the EDID and select an
HDMI EDID to emulate.
3.2.4
6.6
LW3 9.14
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