BenQ 9H.Y1277.000, Product Service Manual

Page: 7 / 96

7
1.0 Optical Performance
Tested under 60” (diagonal) image size with Wide projection lens
position unless other specified.
1.1 ANSI Brightness Minimum 1760 Lumens
1.2 Brightness Uniformity
1.2.1 ANSI Uniformity Minimum 55%
1.2.2 JBMA Uniformity Minimum 70%
1.2.3 Upper-Down
unbalance
0.5~2
1.2.4 Left-Right
unbalance
0.6~1.67
1.3 Contrast Ratio
1.3.1 ANSI Contrast Minimum 150:1
1.3.2 FOFO Contrast Minimum 1200:1
1.3.3 Dynamic C/R Minimum 1450:1
1.4 Light Leakage
1.4.1 Light Leakage in Active
Area
<0.5 lux compared to center point within 60” (Diagonal at 2.4m)
image size. Note: This light leakage in Active area is only
described as the spot light with obvious shape. It is not included
the uniformity difference of the projector for black pattern.
1.4.2 Light Leakage out of
Active Area
(Except DMD Defect)
<0.65 lux with 50”~80“(Diagonal at 2m) image size
1.5 Color
Reference meter: BenQ YM5A/Measurement Center Integral
sphere
X Y
1.5.1 White 0.313±0.04 0.350±0.04
1.5.2 Red 0.640±0.04 0.345±0.04
1.5.3 Green 0.345±0.04 0.533±0.04
1.5.4 Blue 0.144±0.04 0.075±0.04
1.6 Color Uniformity X Y
1.6.1 White 0.040 0.040
1.6.2 Red 0.040 0.040
1.6.3 Green 0.040 0.040
1.6.4 Blue 0.040 0.040
1.7 Color Gamut typical 55% compare NTSC
2.0 Image Quality
2.1 Throw Ratio 50”±5% Diagonal at 2m
2.2 Zoom Ratio (tolerance
applied)
1(Fixed)
2.3 Distortion
2.3.1 Keystone Distortion <1.0%
2.3.2 Vertical TV Distortion <1.0%
2.4 Projection Offset 120% ±5%
2.5 Focus Range
2.5.1 Visible Range 1~8 m
2.5.2 Clearly Focus Range 1.5~6 m(Spec. defined as item 2.6)
2.6 Focus
2.6.1 区 Pattern
(1)If pattern can be uniformly focused, pass!
(2)If not, check 2.6.2
2.6.2 Defocus and Flare
Defocus: R<=3.0; G<=3.0; B<=3.0 pixel
Flare: R<=4.0; G<=4.0; B<=4.0 pixel