Philips 200WB7EB/27 Service Manual page 16

16
200WB7 LCD
17 56.476 VESA
18 60.023 VESA
19 61.080 IBM XGA-2
20 68.677 VESA
21 47.776 CVT 2.3MA
3. AC, DC power board
Setup the AC I/P at 90VAC, and Output DC 12V loading 1.1A(AU 0.6A), the DC output voltage is 12.0 ± 0.6 V DC, Adjusting
3.1
is no need. and 5V loading 1.0A(AU 2.7A), the DC output voltage is 5V+/-0.25VDC. (B)
4. Display Adjustment
4.1 Access to factory mode (IIC) in auto-alignment system The communication protocol switch to IIC .
4.2 Auto color adjustment (B)
Apply a 1280x1024/60Hz signal with Blackand 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. Check all
factory pre-setting modes.
4.3 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;
x (center)
y (center)
Use Minolta CA-110 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%.
4.4 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;
x(center)
y(center)
Ynits
4.5 Factory Preset (B):
4.5.1
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)
4.5.2
In Factory mode default setting :
SECURITY : OFF
SUB-BRI : 0
SUB-CON : 78
PANEL: QDI
Electrical Instructions
1024x768 70.069 38
1024x768 75.029 39
1024x768 75.781 40
1024x768 84.997 41
1280 x768 60 42
9300°K 6500°K
0.283 ± 0.005 0.313 ± 0.005
0.297 ± 0.005 0.329 ± 0.005
sRGB
0.313 ± 0.008
0.329 ± 0.008
180 ± 10
235 (Fix)
128 178 (Fix)
75.0 VESA 1600x1200
65.29 VESA 1680*1050
82.306 VESA 1680*1050
60.0
59.883
74.892