Vegas LedSync820C User Manual - Led Video Processor
LedSync820C User’s Manual
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LED VIDEO PROCESSOR
11
V. Troubleshooting
1、 Dark screen, no image on LED
Check the input source of LedSync820C for any abnormality. If the
indicator above input signal button is illumed, it means the input
source is in good condition; however, if the indicator blinks, it means
some fault has occurred.
If the input source is normal, the indicator will keep illumed.
Press “PART“ button on frontal panel of LedSync820C. While
in PART mode, LED will display image; however, while in
FULL mode, LED will display dark screen; the moment
please check whether the start coordinates of
LedSync820C output image is identical to the start
coordinates of the input image that LED transmission card
captured.
No image display even in PART mode, connect 1 VGA
monitor to VGA OUT of LedSync820C, check whether there
are images appearing on VGA monitor.
If there are images on VGA monitor,please check:
The DVI connection between DVI output of
LedSync820C and DVI input of LED transmission card
Each section of Ethernet cable connection between
LED transmission card and LED screen. The signal
has been weakened a lot and imposed high risk of
interference from outside after long-term
transmission passing many sections of Ethernet
cable. Please adopt high-quality Ethernet cable and
RJ45 connector, and shorten the Ethernet cable to
the most extent.
Hot swap of DVI cable may result in burning of DVI
drive or receiving chips.
If there are no images on VGA monitor, please have
supplier repair it
If the input source is abnormal, the indicator will keep blink.
If current input source is: DVI
First, check DVI connection cable
Actuate DVI output of PC graphic display card