RGBLink DXP V1616 User Manual - Manual (Page 40)

DXP V1616 User Manual 40
with oscilloscope or multimeter) if there is no signal output,
may be the input connections is broken or joint is loose, you
can replace the connecting line.
 Check if the output port is in accord with the controlled port.
 If not belong to above three circumstances, maybe it is caused
by host internal fault, please send to professional for
maintenance.
5）If there is no display in LCD and no reaction for operation,
please check if the power input is good contacts.
6）If the output image is disturbed, maybe the input/output
devices without good ground.
7 ） If there is obvious electrostatic when drawing or
inserting audio and video interface, maybe the power
ground without good ground, please ground with the right
way, otherwise, it will easily damage the host and shorten
the host life.
8） LCD display is normal, communication port has return
code, but no image output or no audio output:
 Maybe the AV interface is loose, you can just plug it tightly;
 Maybe it is short connection, you can just change it;
 Maybe wire is break, you can just change it.
9）If matrix panel button, communication port can not be
controlled, maybe host internal is damaged, please send to
professional for maintenance.