TEKVOX MMX88 Matrix Switcher - Manual (Page 38)

Modular Matrix Switcher 8x8 (with Audio)
33
6. Troubleshooting & Maintenance
Problems Causes Solutions
Output image with ghost
Bad quality of the
connecting cable Try another high quality
cable
Impropriate image setting
of the displayer Adjust corresponding
image settings
Output image with color
losing or no video signal
output
Fail connection
Reconnect the displayer
and the matrix
No output image when
switching
No signal at the input /
output end
Check with oscilloscope or
multimeter if there is any
signal at the input/ output
end.
Fail or loose connection
Make sure the connection
is good
The switcher is broken
Send it to authorized
dealer for repairing.
IR remote does not work
Run out of battery Change for another battery
IR remote is broken
Send it to authorized
dealer for repairing.
POWER
indicator doesn’t
work or no respond to any
operation
Fail connection of power
cord. Make sure the power cord
connection is good.
EDID management does
not work normally The HDMI cable is broken
at the output end.
Change for another HDMI
cable which is in good
working condition.
There is a blank screen on
the display when switching
The display does not
support the resolution of
the video source.
Switch again.
Manage the EDID data
manually to make the
resolution of the video
source automatically
compliant with the output
resolution.
Static becomes stronger
when connecting the video
connectors
Bad grounding
Check the grounding and
make sure it is connected
well.