Acer AL1751, Service Manual

Page: 12 / 52

12
LCD Panel Specification
LCD Panel Model (SAMSUNG LTM170EU-L21)
Display Type active matrix color TFT LCD
Resolution 1280x1024 pixels
Display Dot 1280x (RGB) x 1024
Display Area 337.92mm(H) x 270.336mm(V)
Pixel Pitch 0.264mm(H) x 0.264mm(V)
Display Color 16.2M (true)
Lamp Frequency 80kHz (Max)
Lamp Current 7.0 mArms (Max)
Weight 1950g (Max)
Optical Specifications
I
L
= 6.5mArms T
a
= 25 ± 2 ° C V
DD
= 5V F
V
= 60Hz F
DCLK
= 54MHz
ITEM Symbol Condition MIN. TYP. MAX. UNIT
Contrast Ratio
(Center of screen)
C/R 500 700 -
Rising Tr 2.0 4 - Response
Time
Falling TF 6.0 10 -
msec
Luminance of white
(Center of screen)
YL 250 300 - cd/m
2
RX 0.620 0.650 0.680
Red
RY 0.300 0.330 0.360
GX 0.270 0.300 0.330
Green
GY 0.570 0.600 0.630
BX 0.120 0.150 0.180
Blue
BY 0.050 0.080 0.110
WX 0.283 0.313 0.343
Color
Chromaticity
(CIE 1931)
White
WY
θ =0,
φ =0
Normal
Viewing
Angle
0.299 0.329 0.359
θ L 65 75 -
Hori.
θ R 65 75 -
φ H 65 75 -
Viewing
Angle
Ver.
φ L
CR
≥
10
50 60 -
Degrees
Brightness Uniformity
(9 Points)
BUNI - - 25 %