BenQ 9H.Y1277.000, Product Service Manual

Page: 27 / 96

27
2. TEST CONTENT:
Test Condition TEST ITEM Input Equipment
PC Mode
Chroma pattern 1024x768 Focus/ Focus range
D-SUB Chroma
FULL W , R , G , B Impurity, CIE coordinate,
pixel fail
At random PC sound check Audio
CD-ROM
HDTV NTSC Picture performance YPbPr Chroma / BS
Tuner
DVD
picture
NTSC disk/ PAL disk Picture quality Video
S-video
DVD player
3. SPECIFICATION:
Item Spec. Condition Pattern
ANSI Brightness Minimum 1760Lumens
Contrast: Preset
Brightness: Preset
Full white
ANSI Uniformity Minimum 55%
Contrast: Preset
Brightness: Preset
Full white
ANSI Contrast Minimum 150:1
Contrast: Preset
Brightness: Preset
Chessboard
FOFO Contrast Ratio Minimum1200:1
Contrast: Preset
Brightness: Preset
Full white and Full dark
Light Leakage
(In Active Area)
<0.5 lux compared to
center point within 60”
(Diagonal at2.4m,wide)
image size
Contrast: Preset
Brightness: Preset
Full dark
Light Leakage
(Out of Active Area)
<0.65 within 50”
～
80”
(Diagonal at 2.4m, wide)
image size
Contrast: Preset
Brightness: Preset
Full dark
CIE white coordinate
x=0.313+0.04
y=0.350+0.04 Contrast: Preset
Brightness: Preset
Full white
CIE red coordinate
x=0.640+0.04
y=0.345+0.04 Contrast: Preset
Brightness: Preset
Full Red
CIE green coordinate
x=0.345+0.04
y=0.533+0.04 Contrast: Preset
Brightness: Preset
Full Green
CIE blue coordinate
x=0.144+0.04
y=0.075+0.04 Contrast: Preset
Brightness: Preset
Full Blue
Throw Ratio
50”±5% Diagonal @ 2M
(Wide) Contrast: Preset
Brightness: Preset
Full white
Keystone Distortion
(W2-W1) / (W1+W2)
<1.0%
Contrast: Preset
Brightness: Preset
Full white
Vertical TV Distortion
(H1+H2-2×H3)/2H2
<1.0% Contrast: Preset
Brightness: Preset
Full white
Clearly Focus Range
1.5~6 m(Spec. defined as
item 2.6) Contrast: Preset
Brightness: Preset
Chromo 84 X pattern
Gray Check Should be clear and bright
Brightness: Preset
Contrast: Preset
Chromo 16 gray pattern
DMD Image Quality
See
Defect Classification
See
Defect Classification
See
Defect Classification
PC
PC Compatible 640X480
Æ
1024X768, compressed
1280X1024;
Composite-Sync;
Sync-on-Green; Interlace
Mode (8514A);
Contrast: Preset
Brightness: Preset
Chromo Test pattern