MEA 1786FD2
CRT Monitor Service Guide
Engineering Specification
7
4.2SHARPNESS
CRISPNESS
OK
N.A
Remark
Focus
Reverse character(white
background and black characters)
“e,w,m” at cut-off and
1024 x 768 resolution
√
The distance of watch is
30cm from eyes to screen
Mis-convergence
Center
< 0.15 mm
A < 0.25mm ,B< 0.35mm
√
Moire
Over 25Ft-L
no visible moire
√
Swing
not permitted
√
”
Jitter
< 2mm
√
”
4.3 LIGHT QUALITY
Condition
Spec
OK
N.A
Remark
White Balance
Full white center
(Brit. cut-off & Cont. max.)
x = 0.283 + 0.010
y = 0.297 + 0.010
√
@ UVGA8 1024x768
68.68KHz/85Hz
Purity W,R,G,B
X max-X min & Y max-Y min
< 0.015
√
”
Color Tracking
Brightness cut off
x, y (nominal) + 0.015
√
”
Max Brightness with ABL
Full white pattern
28Ft-L min.(Cut-off)
√
”
Max Brightness no ABL
3” Block
40Ft-L min.(Cut-off)
√
”
Brightness Uniformity
Full white pattern
> 70% (center to corner)
√
”
Raster light O/P
Bright max./Cont. min.
0.5 ~ 1.5Ft-L
√
”
Contrast ratio
Max/Min
5:1
√
”
4.4 IMAGE STABILITY
OK
N.A
Remark
H/V regulation
< 1 mm per side at cut-off
√
Flicker
No
flicker
√
Ringing
Video at center
No visible DY Hor. Video ringing
√
Содержание 1786FD2
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