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Electrical Adjustments
. Common Center Adjustments
Input mode
Input signal
Set the image to "Service mode."
Adjust each color for minimum flickers.
Group No.
Screen
200-
16
Display only Green light.
200-
17
Display only Red light.
200-
18
Display only Blue light.
⁄0
Gamma Shift Adjustment-PC
Equipment
Input mode
Input signal
1. Receive the 100% white computer signal.
2. Set the image to "Service mode."
3. Measure luminance on the screen with the luminance meter.
It is A for the reading of luminance meter.
4. Change the signal source to the 50% white computer signal.
5. Select Group No.200, Item No. 19 and change data value to make the
reading of luminance meter to be A x 22 %.
Group No.
Screen
100% white signal
200-
19
50% white signal
⁄1
Gamma Shift Adjustment-AV
Equipment
Input mode
Input signal
1. Receive the 100% white component signal.
2. Set the image to "Service mode."
3. Measure luminance on the screen with the luminance meter.
It is B for the reading of luminance meter.
4. Change the signal source to the 50% white component signal.
5. Select Group No.210, Item No. 19 and change data value to make the
reading of luminance meter to be B x 22 %.
Group No.
Screen
100% white signal
210-
19
50% white signal
Computer.
1 dot line computer signal (UXGA)
Luminance meter.
Computer.
100% and 50% white signal. (XGA)
Adjustment value.
A (reading value)
A x 22 % ± 2 %
Luminance meter.
Component.
100% and 50% white signal.
Adjustment value.
B (reading value)
B x 22 % ± 2 %
⁄2
White balance adjustments
Input signal
Set the image to "Service mode."
Adjust each item value and to obtain better white balance.
Group No.
Lamp mode
930-
0
200-
20 and 21
4 lamp mode
210-
20 and 21
4 lamp mode
930-
1
211-
20 and 21
Lamp 1-4 of 2 lamp mode Component Better white balance.
930-
2
212-
20 and 21
Lamp 2-3 of 2 lamp mode Component Better white balance.
Note :
n . If the data value appears "11" on the screen, go to next item.
n . If the data value appears "0" on the screen, set the data value
to "10" and go to next item.
n . If the data value appears "99" on the screen, wait until it is
changed to "0". Then set the data value to "10" and go to next
item.
⁄3
Unevenness color correction
If you find the Unevenness color on the screen, please
correct it by using the proper computer and "color
shading correction" soft ware supplied separately.
The soft ware can be ordered as follows:
"color shading correction" Ver. 3.0
Service part NO. : 645 056 6288
-77-
50% white signal
(PC=XGA, AV=1080/60i)
Input mode
Adjustment value.
See note.
Computer
Better white balance.
Component Better white balance.
See note.
See note.
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