Acer AT2002, Service Manual

Page: 13 / 85

13
Optical Specifications
Test Conditions
Optical Specifications
Item Symbol Min.
Typ.
Max. Unit Remark
Input voltage V
CC
4.75 5.0 5.25 V
Current
consumption I A
- 0.8 1.0 Arms
Inrush current I
RUSH
- - 3.0 Apeak
Power
supply
voltage
Power ripple
voltage
V
RP
- - 100 mVp-p
Low voltage
V
IL
0 - 1.0 V
Internal
logic
High voltage
V
IH
2.3 - 3.3 V
Specification
Item Symbol Condition
Min. Typ. Max.
Unit Remark
Response time
Rising time
Falling time
Tr
Tf
θ
=0
°
-
-
11
5
15
10
ms
Contrast ratio(center of screen) CR
θ
=0
°
600
700 -
Viewing angle
Top
Bottom
Left
Right
CR
≧
10
65
55
65
65 80
60
80
80 -
-
-
-
Deg.
Brightness (center of screen) Y
L
θ
=0
°
350 450 - nit
Wx
0.249 0.279 0.309
Wy
0.260 0.290 0.320
Rx
0.607 0.637 0.667
Ry
0.311 0.341 0.371
Gx
0.268 0.298 0.328
Gy
0.568 0.598 0.628
Bx
0.113 0.143 0.173
Color chromaticity (CIE)
By
θ
=0
°
0.028 0.058 0.088
Color Saturation (NTSC) 72 %
White uniformity
δ
W
70 - - %