Sony DVCAM DSR-70A Operating Instructions Manual page 138

Troubleshooting
Monitor problems
Symptom
Data is not superimposed on
the monitor screen.
The image on the monitor's
screen is too bright.
The image on the monitor's
screen is too dark.
The image is too dark when
recording a composite video
signal.
Audio problems
Symptom
The AUDIO INPUT level
adjustment knobs do not work.
Sliding the PB AUDIO level
adjustment sliders does not
change the playback audio
output level.
Editing problems
Symptom
Execution of video editing in
insert mode causes subcode
data recorded on tape other
than time code data to
disappear from tape.
138
Chapter 9 Maintenance and Troubleshooting
Cause
The sub LCD menu item CHARACTER
is set to OFF.
Monitor is not connected to the VIDEO
OUTPUT 2 (SUPER) connector of this
unit.
The 75 Ω termination switch for video
input on the monitor is in the OFF
position or a 75 Ω terminator is not fitted
to its video input connector.
In a video signal loop-through connection
of video monitors, 75 Ω termination
switches for video input on monitors
other than the loop-end monitor are in
the ON position.
Cause
The AUDIO INPUT PRESET/VARIABLE
switch is set to PRESET.
PB AUDIO PRESET/VARIABLE switch
is set to PRESET.
Cause
This phenomenon cannot be avoided with an editing system
using this unit as the recorder.
Remedy
Set the sub LCD menu item CHARACTER to ON.
Connect the monitor to the VIDEO OUTPUT 2
(SUPER) connector. (You must make this
connection to display any type of text on the
monitor.)
Set the 75 Ω termination switch to ON or connect
a terminator.
Set the 75 Ω termination switches to OFF on all
monitors other than the loop-end monitor .
Remedy
Set the AUDIO INPUT PRESET/VARIABLE
switch to VARIABLE.
Set the PB AUDIO PRESET/VARIABLE switch to
VARIABLE.
Remedy