Troubleshooting
87
A
ppe
ndix
Video
Problem
Cause
Countermeasures
Picture is gray.
No input signal is being supplied to
HD SDI IN connector A.
Supply the input signal for the selected system
format to HD SDI IN connector A.
No input signal is being supplied to
HD SDI IN connector B(when
using 4:4:4 format).
To enable use of the 4:4:4 format, input a
signal with the correct format to HD SDI IN
connectors A and B.
The phase difference between HD
SDI IN A and HD SDI IN B is too
large.
If the length of the cable connected to HD SDI
IN A and HD SDI IN B differs significantly,
the signal phase shift may be too large,
preventing normal signal reception. Ensure
that the two cables are of similar length.
The format of the input signal to the
HD SDI IN connector A or B is
different from the system format.
The picture is gray when an input signal
format is different from the system signal
format. Input a signal in the correct format.
The input signal is unstable.
The picture changes to gray when the input
signal is unstable or interrupted.
Picture color is wrong.
In 4:4:4 mode, the HD SDI A and
HD SDI B connections are
reversed.
Connect the proper signals to the HD SDI IN
A and HD SDI IN B connectors.
In 4:4:4 mode, two 4:2:2 pictures
are being input to the HD SDI IN A
and HD SDI IN B connectors.
Set the input device to the 4:4:4 format.
In 4:2:2 mode, a 4:4:4 picture is
input.
Input a 4:2:2 format signal.
• Picture break-up.
The input signal is unstable.
Supply a correct input signal.
The monitor does not support the
format.
Some older monitors support only the 59.94/
60 frequencies.
The input signal is not matched to
the system frequency.
Input a signal with 1.000/1.000 and 1.000/
1.001 that match the system.
The frequency exceeds the monitor
scanning frequency.
If the monitor is a BVM-F24, 25PsF and
29.97PsF cannot be displayed with ×3
scanning, resulting in picture breakup. Use ×2
or ×1 scanning. For 59.94i and 50i, use ASD
scanning.
• Unnatural movement
(ghosting).
• The file name in FILE
LIST is grayed out and
cannot be selected.
Wrong interlace and PsF selection.
The frame frequency system setting
does not match the input, file, or
monitor settings.
Set the input signal format so as to match the
system setting.
Movement stops, or is
jerky.
Monitor is not operating properly.
Check the monitor settings. Try turning it off
and on again.
The video appears
jagged, or 1 line is
missing at the top and
bottom of the screen.
In the SMPTE 372M 4:2:2 60p
standard, the active lines of digital
field 2 are different between Link A
and Link B (Link A: line 584 to
1123, Link B: line 583 to 1122).
Ensure that the source signal conforms to the
SMPTE 372M 4:2:2 60p standard.
Want to output a test
signal.
This can be done with a menu
setting.
Under SYSTEM > TEST SG > VIDEO, select
CB or BLK.
Test signal is not output. Test signals are turned off when the
unit is powered off and on.
Select the test signal again.
