GRASS VALLEY M-Series, Руководство по обслуживанию

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M-Series Service Manual 6 July 2004
Chapter 2 Troubleshooting problems
System problems
For the corrective actions in this section, refer to the M-Series User Manual for
detailed instructions.
Problem Possible Causes Corrective Actions
Cannot record media. This is
accompanied by Status Pane
messages “…composite
detected…” and “…composite
lost…” in quick succession. SDI signal being fed to
composite input Verify input signal and
connections
One of the record channels does
not record. The iVDR is configured for
PAL, yet the video input is
NTSC In AppCenter select System |
Configuration | System
and
check the current setting for
video standard. Verify that the
video input signal is the correct
standard.
Transport controls are not
displayed on the VGA monitor The resolution of the VGA
monitor is incorrect Make sure the resolution is
higher than 640 X 480. If the
resolution is 640 X 480,
AppCenter is displayed as if it
were on a Front Panel, with no
transport controls. If you change
the resolution, restart
AppCenter.
The VGA monitor is blank The monitor is connected to the
motherboard connector. Connect to the AGP card
connector.
Audio level from rear panel
outputs cannot be adjusted. The iVDR is configured to
disable the adjustment. On Configuration Manager’s
Panel page, set the Rear panel
audio monitor output setting to
“Controlled by front panel
volume knob”.
A scheduled event, such as an
automatic play or record event,
does not occur at the proper
time. The time-of-day source for event
scheduling is not accurate. On the Configuration Manager
System page, verify the
time-of-day source. Verify the
source’s time accuracy.