Sony HDCAM HDW-730, Руководство по обслуживанию

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9-27
HDW-750/750CE V1
9-27. Auto Iris Adjustment
Preparation
. OUTPUT/DCC switch (inside panel)
→
CAM/ON
. Shoot the gray scale chart to fill the entire screen of the
under-scanned picture frame.
. Lens iris : AUTO
Adjustment Procedure
Equipment : HD digital waveform monitor
Measurement point : HD SDI connector (rear panel)
1. Complete the adjustment as shown below by using the
setup menu.
MENU :
MAINTENANCE
PAGE : 13 * AUTO IRIS 2
ITEM : IRIS APL RATIO
Specifications : Adjust the auto iris in accordance with
the application of customer.
(It determines at which signal level the auto iris
control starts operating.)
IRIS APL RATIO =
_ 99 (peak value operation)
IRIS APL RATIO = 99 (average value operation)
2. Complete the adjustment as shown below by using the
setup menu.
MENU :
MAINTENANCE
PAGE : 13 * AUTO IRIS 2
ITEM : IRIS LEVEL
Specifications : A = 700
±
14 mV.
3. Complete the adjustment as shown below by using the
setup menu.
MENU :
MAINTENANCE
PAGE : 13 * AUTO IRIS 2
ITEM : IRIS SPEED (Default value when
shipped from the factory : 2)
Specifications : Adjust the operating speed of auto iris
control of the lens as desired.
4. Complete the setting as shown below by using the
setup menu.
MENU :
MAINTENANCE
PAGE : 13 * AUTO IRIS 2
ITEM : CLIP HIGH LIGHT
→
ON or OFF
Specifications : Adjust the operating speed of auto iris
control of the lens for the customer’s
preference.
9-28. Adjustment upon Replacement of
Filter Disc Unit
Whenever a filter disc unit is replaced, the white balance
correction is required. Perform the white balance correc-
tion as follows.
Preparation
. WHITE BAL switch (inside panel)
→
A or B
.
Shoot a all white chart to fill the entire screen of the
under-scanned picture frame.
. Lens iris
→
AUTO
. Connect a B/W monitor to the TEST OUT connector of
this unit.
Adjustment Procedure
Equipment : B/W monitor
1. Complete the setting as shown below by using the
setup menu.
MENU : MAINTENANCE
PAGE : 16
*
ND COMP
ITEM : ND OFFSET ADJUST
→
ON
ITEM : CLEAR ND OFFSET
→
EXEC
2. Set the filter knob to 1B.
3. Set the WHITE BAL switch (inside panel)
→
WHT
(Execute auto white balance adjustment.)
n
Confirm that a message “ND1 DET = OK!” appears
on monitor.
4. Select the filter knob to 2B then 3B then 4B and
execute step 3 at every filter position.
n
Confirm that a message “COMPLETE!” appears on
monitor when all the adjustments of 1B to 4B are
completed normally. The ND OFFSET ADJUST
setting returns to the OFF position.
A
9-27. Auto Iris Adjustment
9-28. Adjustment upon Replacement of Filter Disc Unit