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Troubleshooting
Symptom
Colors in the monitor screen are
abnormal. (During genlocking)
Video
Synchronization is not possible.
troubles
Pressing the corresponding
button cannot start the operation.
<EXT> is displayed on the LCD.
The LCD display keeps on
displaying NOW INITIALIZING
JUST A MOMENT .
The LCD display keeps on
display PLEASE CHECK THE
CAMERA .
LCD display shows --- .
white balance adjustment cannot
be started.
Control
The white balance adjustment will
troubles
not complete.
The tally lamp does not light.
Incorrect operation even when
FAS button is ON.
E.02 will be displayed on RM-
LP25U
[OPERATE] button of RM-LP25U
keeps blinking.
● Is the SC phase adjusted properly?
● Are the Tri-level sync signal or BB signals applied to the
[GENLOCK INPUT] connectors?
● Is the VTR playback signal supplied directly without passing
through a TBC?
● Functions that are not available on the camera cannot be
controlled.
hCheck the camera functions again.
● Are cables connected properly?
● Is the power switch of the camera set to ON?
● Are cables connected properly?
● Is the power switch of the camera set to ON?
(When power of camera is turned off while RM-HP790DU/RM-
HP790DE is on, PLEASE CHECK THE CAMERA will be
displayed after about 20 seconds if RM-HP790DU/RM-HP790DE
is operated. In addition, when turning on RM-HP790DU/RM-
HP790DE while the power switch of camera is off, similar display
will appear after about 30 seconds. )
● The connected camera does not have the assigned function.
Check the camera functions again and assign the proper functions
to the [F1] to [F4] buttons.
● Is the [W. BAL] switch set to A or B ?
● Is FAS or FAW ON (which is indicated by the lighting of the
[AUTO] light)?
● Are the color temperature filters and lighting conditions
appropriate?
● Does the object have colors?
● Is the tally system of the RM-HP790DU/RM-HP790DE compatible
with that of the camera system?
The RM-HP790DU/RM-HP790DE has been set to the voltage
supply at the factory.
If it is required to use the [TALLY] input in the contact supply mode,
the setting of the internal circuitry should be changed ; consult the
nearest JVC-authorized service agent.
● Is the Studio cable of KA-M790G pulled out or loose?
hConnect the cable properly.
● Are cables connected properly?
● Is the power switch of the camera set to ON?
(When power of camera is turned off while RM-HP790DU/RM-
HP790DE/RM-LP25U is on, similar display will appear after about
10 seconds.)
● Are cables connected properly?
● Is the power switch of the camera set to ON?
(When turning on RM-HP790DU/RM-HP790DE/RM-LP25U while
the power switch of camera is off, the [OPERATE] button will keep
blinking.)
Check Points
Action
A
P 12
A
P 12
^
A
P 8
A
P 9
A P 10
A
P 8
A
P 9
A P 10
A P 25
A P 18
A P 18
A P 14
^
A
P 8
A
P 9
A P 10
A
P 8
A
P 9
A P 10
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