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CR-iMAX901HD Multiple Signals Scaler User Manual
Chapter Five Common Trouble Solution
Trouble Phenomenon
Troubleshooting methods
When the color is missing or no video signal
output appears
May be the VGA signal lines on both ends of
the joint are not well connected or the wires
has open circuit or short circuit.
When a serial port (generally refers to:computer
serial port) can not control CR-iMAX901HD matrix
Check whether the communication port of
the control software is corresponding to the
serial of the connected equipment, whether
the communication port of the computer is
good,whether the communication protocol is
correct.
When switching CR-iMAX901HD,there is return
code but no corresponding image output
Check whether the corresponding input end
has signal or not (you can use oscilloscope
or multimeter to test),if there is no signal,
maybe the input wire is loose or broken, just
to replace the connection cable.
If the POWER light is not bright and the LCD has
no display and the operation has no response
Check whether the power input is good or
not.
If the image output has been jammed
It is possible that the input and output line
are not connected well or there is no
well-grounded.
If you can feel significant static electricity when
you pull and plug audio and video interface
It is possible that the power of the device is
not well grounded. Please follow the correct
way to ground,otherwise it is easy to
damage the host and shorten the life of the
it.
If the LCD display is normal,the communication
port has return code,but there is no image output
or audio output
It is possible that the audio or video interface
is loose,just replace it.
It is possible that there is a short in the wire,
just replace it.
It is possible that the circuit is broken,just
replace it.
If the panel buttons and the communication ports
of CR-iMAX901HD can not be controlled
It is possible that the inside pieces of the
host has been damaged.Please send it to
the professionals to repair.
