HDMI Matrix Switcher 8x8
PTN Electronics Limited www.PTN-electronics.com
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10. Troubleshooting & Maintenance
1)
When the output image in the destination device connected to the HDMI Matrix
(MHD) has ghost, such as the projector output with ghost, please check the
proje
ctor’s setting or try another high quality connection cord.
2)
When there is a color losing or no video signal output, maybe the HDMI cables
haven’t been connected as HDMI criterion.
3)
When user cannot control the switcher by computer through its COM port, please
check the COM port number in the software and make sure the COM port is in
good condition.
4)
When switching , there is no output image:
Check with oscilloscope or multimeter if there is any signal at the input end. If
there is no signal input, it may be the input connection cord broken or the
connectors loosen.
Check with oscilloscope or multimeter if there is any signal at the output end. If
there is no signal output, it may be the output connection cord broken or the
connectors loosen.
Make sure the destination device is exactly on the controlled output channel.
If it is still the same after the above checking, maybe there is something wrong in
the switcher. Please send it to the dealer for fixing.
5)
If the
POWER
indicator doesn’t work or no respond to any operation, please make
sure the power cord connection is good.
6)
If the output image is interfered, please make sure the system is earthed well.
7)
If the static becomes stronger when connecting the HDMI connectors, it may be
due to the incorrect earthling of the power supply, Please earth it again correctly,
and otherwise it would bring damage to the switcher.
8)
If the Matrix cannot be controlled by the keys on the front panel, RS232 port or IR
remote, the unit may has already been broken. Please send it to the dealer for
fixing.
