Integra DLV-100, Service Manual

Page: 5 / 48

5. Optical specifications
5. Optical specifications 5. Optical specifications
5. Optical specifications
5.1 Brightness
Normal : 630 ANSI lumens minimum
High Brightness : 750 ANSI lumens minimum
（
It contains 5 % of measurement tolerance.
）
5.2 Contrast ratio
700 : 1 typical
（
It contains 20 % of measurement tolerance.
）
5.3 Relative illumination
More than 70%
On the screen which is shown in figure 2, apply following formula with condition of
Aj as the illumination of point j.
Relative illumination = ( A1 + A3 + A7 + A9 ) / ( 4 x A5 ) x 100 [%]
Fig.2 The measurement point
5.4 Chromaticity
x=0.234 – 0.344(0.289 +/- 0.055)
y=0.269 – 0.379(0.324 +/- 0.055)
5.5 Throwing angle
14.3 /- 5%)
5.6 Projection size
Min. 30 inch / 1.16 m (wide)
Max. 200 inch / 9.67 m (tele)
(For the details, refers to Tab.3.)
5.7 Geometry distortion
Less than 1.11%
5.8 Pixel defects and blemishes
1. No adjacent dark pixels.
2. No bright pixels.
3. No unstable pixels.
4.
≦
5 dark pixels.
5.
≦
7 blemishes
6. No dark blemishes.(Using the blue 180 screen)
7. No bright blemishes.(Using the gray 35 screen)
Note) Blue 180 screen
All areas of the screen are colored a Microsoft paintbrush blue 180(green and red set at 0).
Note) Gray 35 screen
All areas of the screen are colored a Microsoft paintbrush gray 35(green, red, and blue set
at 91).
5.9 Stray light
In all the black signals , a thing with no stray light in the inside of the display area.
DLV-100