9-14
HDW-750/750CE V1
9-12. White Shading Adjustment
Note
Be careful of the following point. Unless a chart is free
from non-uniformity, illumination is correct, lens iris is set
in the specified position and the lens zoom is set in the
specified ratio, the white shading adjustment will result in
poor performance.
Preparation
.
OUTPUT/DCC switch (inside panel)
→
CAM/ON
.
Lens iris
→
AUTO
.
Shoot a white pattern to fill the entire screen of the
under-scanned picture frame.
.
Set the waveform monitor as follows:
LUM mode
VOLT FULL SCALE range
→
0.5
Adjustment Procedure
Equipment :
HD analog waveform monitor
Measurement point : TEST OUT connector (outside panel)
1.
Complete the setting as shown below by using the
setup menu.
MENU : MAINTENANCE
PAGE : 01
*
WHT SHADING
ITEM :
OUTPUT SELECT
→
R
2.
Complete the adjustment as shown below by using the
setup menu.
MENU :
MAINTENANCE
PAGE :
01
*
WHT SHADING
ITEM :
R WHITE H SAW
ITEM :
R WHITE H PARA
ITEM :
R WHITE V SAW
ITEM :
R WHITE V PARA
Specifications : Make the waveform flat.
3.
Complete the setting as shown below by using the
setup menu.
MENU : MAINTENANCE
PAGE : 01
*
WHT SHADING
ITEM :
OUTPUT SELECT
→
G
4.
Complete the adjustment as shown below by using the
setup menu.
MENU :
MAINTENANCE
PAGE :
01
*
WHT SHADING
ITEM :
G WHITE H SAW
ITEM :
G WHITE H PARA
ITEM :
G WHITE V SAW
ITEM :
G WHITE V PARA
Specifications : Make the waveform flat.
5.
Complete the setting as shown below by using the
setup menu.
MENU : MAINTENANCE
PAGE : 01
*
WHT SHADING
ITEM :
OUTPUT SELECT
→
B
6.
Complete the adjustment as shown below by using the
setup menu.
MENU :
MAINTENANCE
PAGE :
01
*
WHT SHADING
ITEM :
B WHITE H SAW
ITEM :
B WHITE H PARA
ITEM :
B WHITE V SAW
ITEM :
B WHITE V PARA
Specifications : Make the waveform flat.
7.
Switch the lens to the EXTENDER.
8.
Complete the setting as shown below by using the
setup menu.
MENU : MAINTENANCE
PAGE : 01
*
WHT SHADING
ITEM : OUTPUT SELECT
→
R
(H SAW)
(H PARA)
(V SAW)
(V PARA)
9-12. White Shading Adjustment
