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Electrical Adjustment
PC, Video, Component Manual adjustment
When the PC, Video or Component Auto Calibration
fails, take the following manual adjustment instead of
auto calibration.
[1] Manual adjustment (PC)
Input mode
Computer mode
Input signal
16-step gray scale computer signal
1. Select Group "260", No. "100" and set data value to "1".
2. Adjust the data values listed in the table below as the
100% white part on the screen becomes the most
noisy (darkest).
Group
No.
Adjustment
10 -
3
ADC-Green Gain
10 -
4
ADC-Red Gain
10 -
5
ADC-Blue Gain
3. Select Group "260", No. "100" and set data value to "3".
4. Adjust the data values listed in the table below as the
100% white part on the screen becomes the most
noisy (darkest).
Group
No.
Adjustment
0
-
3
ADC-Green Gain
0
-
4
ADC-Red Gain
0
-
5
ADC-Blue Gain
5. Select Group "260", No. "100" and set data value to "0".
[2] Manual adjustment (Slot)
Input mode
Computer mode (Input 3)
Input signal
16-step gray scale computer signal
Slot board
Analog RGB input board equipped
1. Select Group "260", No. "100" and set data value to "2".
2. Adjust the data values listed in the table below as the
100% white part on the screen becomes the most
noisy (darkest).
Group
No.
Adjustment
10 -
3
ADC-Green Gain
10 -
4
ADC-Red Gain
10 -
5
ADC-Blue Gain
3. Select Group "260", No. "100" and set data value to "0".
Image example of manual adjustment
for [PC / Slot / Video]
Black and noisy
image appears
[3] Manual adjustment (Component)
Input mode
Video mode (Input 2 -Component)
Input signal
100% color bar signal (480i)
1. Select Group "260", No. "100" and set data value to "4".
2. Adjust the data values listed in the table below as the
100% white part on the screen becomes the most
noisy (darkest).
Group
No.
10 -
3
3. Select Group "260", No. "100" and set data value to "5".
4. Adjust the data values listed in the table below as the
100% white part on the screen becomes the most
noisy (darkest).
Group
No.
0
-
3
5. Select Group "260", No. "100" and set data value to "0".
[4] Manual adjustment (Video)
Input mode
Video mode (Input 2 -Composite)
Input signal
16-step gray scale composite video
signal
1. Select Group "260", No. "100" and set data value to "6".
2. Adjust the data values listed in the table below as the
100% white part on the screen becomes the most
noisy (darkest).
3. Select Group "260", No. "100" and set data value to "0".
Group
No.
20 -
0
Image example of manual adjustment
for [Component]
Black and noisy
image appears
W
Y
C
-43-
Adjustment
Y Gain
Adjustment
Y Gain
Adjustment
Y Level
G
M
R
B
BK
DS+750 Service Manual
020-000211-01 Rev. 1 (06-2009)
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