Acer AL1916, Service Manual

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- 12 -
•
Lamp Voltage 650 Vrms typ.
•
Lamp Current 7.5mA rms.( typ). 4 Lamp
•
Weight 2250g .
•
Optical Specifications
The following items are measured under stable conditions. The optical
characteristics should be measured in a dark room or equivalent state with the
methods shown in Note(4).
Š Measuring equipment : TOPCON BM-5A, BM-7, PHOTO RESEARCH PR650
(Inverter Freq. : 54kHz) *Ta =25
±
2
°
C, VDD=5V, fv=60 Hz, fDCLK=54 MHz, IL= 7mArms
Item Symbol Condition Min. Typ. Max. Unit Note
Contrast Ratio
(Center of screen)
CR 450 700 -
(1)(2)(4)
BM-5A
Rising T
R
- 1.7 3 Response
Time
Falling T
F
- 6.3 9
msec
(1)(3)
BM-7
Luminance of White
(Center of screen)
Y
L
250 300 - cd/m2
(5)
BM-5A
Rx 0.640
Red
Ry 0.329
Gx 0.300
Green
Gy 0.600
Bx 0.150
Blue
By 0.060
Wx 0.313
Color
Chromaticity
(CIE 1931)
White
Wy
Normal
φ
= 0 ˚
θ
= 0 ˚
Viewing
Angle
TYP.
-0.03
0.329
TYP.
+0.03
(1)(4)
PR650
θ
L
65 75 -
Hor.
θ
R
65 75 -
φ
H
65 75- -
Viewing
Angle
Ver.
φ
L
CR
≥
10
50 60- -
Degrees
(1)(4)
BM-5A
Brightness Uniformity
(9 points)
B
UNI
25 %
(6)
BM-5A
Note 1) Definition of Viewing Angle: Viewing angle range (10
≤
CR)