Crystal Vision
Trouble shooting
8 Trouble shooting
Card edge monitoring
The card edge provides simple monitoring of the board status. This can be used
as an initial aid to trouble shooting.
3GDA204R front edge view
LED
Location/colour
Meaning when lit
HD
Yellow
Valid 3G or HD input detected.
SD
Yellow
Valid SD input detected.
PSU OK
Green
Power supply voltages present.
Fault finding guide
The Power OK LED is not illuminated
Check that the frame PSU is functioning – refer to the appropriate frame manual for detailed
information
Check that the card is seated correctly in the frame
There is no video output
Check that a valid video input is present (input present LED illuminated) and that any cabling
is intact
The video output is low quality
Check that the maximum length has not been exceeded and the links are in the correct
position for the input standard used
3GDA204R/210R User Manual R1.1
17
12 July 2017
