Philips 200WB7EB/27, Service Manual

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12
200WB7 LCD
Color Adjustment
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
Fig. 2
Clear image Clear image
Measurement/viewing selector Measurement/viewing selector
Fig. 3
4). Press button, then select factory mode indicator by "OK" " "
button .Press"OK" button to bring up submenu windows as below:
Fig.5
Cover (blac k ) Cover (blac k )
Measurement viewing selector Measurement viewing selector
Fig. 4
Fig. 2
5.Display
Press " " or " " button to select . Change the value
by " " or " " k ey until the X,Y co-ordinates as below
4. Access Factory Mode
1). Turn off monitor.
2).
3).Press "OK" button, wait until the OSD menu with Characters
"HUDSON 200WB7 V011 2006/02/16" (below OSD menu) come
on the Screen of the monitor. as shown in Fig3.
[Push "AUTO" & "OK" buttons at the same time and hold them]
+[Press "power" button untill comes out "Windows screen" ]
=> then release all buttons
Factory Mode indicator
5.1 Auto color adjustment
Access to factory mode (IIC) in auto-alignment system The
communication protocol switch to IIC .
Apply a 1280x1024/60Hz signal with Blac k and white levels
pattern, set brightness control at 100%, and contrast control
at 50%.
Adjust the R. G. B offset, and gain to calibrate the color
smoothly and 64-gray level distinguishable.
Chec k all factory pre-setting modes.
5.2 Adjustment of WHITE-D (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;
Use Minolta CA-110 for colour coordinates and luminance chec k .
Luminance is > 200 Nits in the center of the screen when
brightness at 100% and contrast set to 100%.
5.3 Adjustment of sRGB
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;
sRGB
x(center) 0.313
±
0.008
y(center) 0.329
±
0.008
Ynits 180
±
10
5.4 Factory Preset (B):
After finished all the adjustment, set:
OSD Default Setting:
Brightness : 100%
Contrast : 50%
Adjust size: Full screen
Language : English
Colour : 6500K for IMAGE MANAGEMENT
OSD position : middle of the LCD screen
Input Selection : Default as PC VGA (D-sub)
5.5 In Factory mode default setting :
SECURITY : OFF
SUB-BRI : 0 235 (Fix)
SUB-CON : 78 128 178 (Fix)
PANEL: QDI
9300
°
K 6500
°
K
x (center) 0.283
±
0.005 0.313
±
0.005
y (center) 0.297
±
0.005 0.329
±
0.005