Color Adjustment - Philips 200PW8ES/00 Service Manual

14
HUDSON 8
Alignment procedure
1. Turn on the LCD monitor.
2.Turn on the Timing/pattern generator. See Fig.1
3. Preset LCD color Analyzer CA-110
-Remove the lens protective cover of probe CA-A30.
-Set measuring/viewing selector to measuring position for reset
analyzer.(zero calibration) as Fig.2
- Turn on the color analyzer (CA-110)
-Press 0-CAL button to starting reset analyzer.
Fig. 1
4. Access Factory Mode
1). Turn off monitor.
2). [Push "AUTO" & "MENU" buttons at the same time and hold them]
+[Press "power" button untill comes out "Windows screen" ]
=> then release all buttons
3).Press "OK button, wait until the OSD menu with Characters "
"Factory" (below OSD menu) come on the Screen of the monitor.
as shown in Fig3.
4). Press "MENU" button, then select factory indicator by
button .Press"MENU button to bring up submenu windows as below: "

Color Adjustment

Cover (black) Cover (black)
Measurement viewing selector Measurement viewing selector
Fig. 2 Fig. 2
Factory Mode indicator
Fig. 3
" " "INPUT"
Fig. 4
Measurement/viewing selector Measurement/viewing selector
5. Display
Press "MENU" button to select. Change the value by "INPUT" or
key until the X,Y co-ordinates as below
6. Display Adjustment
6.1 Auto color adjustment
Apply a 1280*1024/60Hz signal with 32 level grey pattern, set
brightness control at 100%, and contrast control at 50%. Access to
factory mode, and then press "Auto Level"to adjust RGB Gain and
Offset. Check 64-grey pattern distinguishable.
6.2 Adjustment of WHITE-D
Apply a 1280*1024 / 60Hz signal with white pattern, set brightness
control at 100%, and contrast control at 50%. Adjust the R, G, B
Sub-Gain, for the screen center, the 1931 CIE chromaticity (X, Y)
co-ordinates shall be;
9300°K
x (center) 0.283 ± 0.02
y (center) 0.297 ± 0.02
Use Minolta CA-210 for colour coordinates and luminance check.
Luminance is > 200 Nits in the center of the screen when brightness
at 100% and contrast set to 100%.
6.2 Check of sRGB (B)
Apply a 1280*1024 / 60Hz signal with white pattern, set brightness
control at 100%, and contrast control at 50%. Adjust the R, G, B
Sub-Gain, for the screen center, the 1931 CIE chromaticity (X, Y)
co-ordinates shall be;
x(center)
y(center)
Ynits
Clear image Clear image
Fig.5
6500°K
0.313 ± 0.02
0.329 ± 0.02
sRGB
0.313 ± 0.02
0.329 ± 0.02
200 ± 10