Emerson LD195EM8, Руководство по обслуживанию

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6-5 A84N0EA
5. [CUTOFF]
Press [1] button to select “COR” for Red Cutoff
adjustment. Press [3] button to select “COB” for
Blue Cutoff adjustment.
[DRIVE]
Press [4] button to select “DR” for Red Drive
adjustment. Press [6] button to select “DB” for Blue
Drive adjustment.
6. In each color mode, press [CH.
o
/
p
] buttons to
adjust the values of color.
7. Adjust Cutoff and Drive so that the color
temperature becomes 11000°K (x= 0.279 / y=
0.272 ±0.005).
The following adjustment normally are not attempted in
the field. Only when replacing the LCD Panel then adjust
as a preparation.
7. White Balance Adjustment
[Component / DTV]
Purpose: To mix red, green and blue beams correctly
for pure white.
Symptom of Misadjustment: White becomes bluish
or reddish.
1. Operate the unit for more than 20 minutes.
2. Input the White Raster(70%=70IRE, 30%=30IRE).
3. Set the color analyzer to the CHROMA mode and
bring the optical receptor to the center on the
LCD-Panel surface after zero point calibration as
shown above.
Note: The optical receptor must be set
perpendicularly to the LCD Panel surface.
4. Enter the Service mode. Press [VOL.
n
] button on
the service remote control unit and select “C/D2”
mode.
5. [CUTOFF]
Press [1] button to select “COR” for Red Cutoff
adjustment. Press [3] button to select “COB” for
Blue Cutoff adjustment.
[DRIVE]
Press [4] button to select “DR” for Red Drive
adjustment. Press [6] button to select “DB” for Blue
Drive adjustment.
6. In each color mode, press [CH.
o
/
p
] buttons to
adjust the values of color.
7. Adjust Cutoff and Drive so that the color
temperature becomes 11000°K (x= 0.279 / y=
0.272 ±0.005).
Test Point Adj. Point Mode Input
Screen
[VOL.
n
]
button
[VIDEO2]
C/D2
White Raster
(APL 70%)
or
(APL 30%)
M. EQ. Spec.
Pattern Generator,
Color analyzer
x= 0.279 ± 0.005
y= 0.272 ± 0.005
Figure
Color Analyzer
It carries out in a darkroom.
L = 3 cm
Perpendicularity
INPUT: WHITE 70%, 30%
30%=30IRE 70%=70IRE
INPUT SIGNAL