Service manual

!
MOD [20]
63.981 ̈́ 1.0KHz 60.02 ̈́ 1.0Hz
+ + 1280X1024(60) VESA STANDARD
MOD [21]
79.976 ̈́ 1.0KHz 75.0 ̈́ 1.0Hz
+ + 1280X1024(75) VESA STANDARD
2.4 Luminance Control
Analog signal (6500K)
over 200 cd / m
2
(@ Cont / Bright max)
Digital signal (6500K)
over 200 cd / m
2
(@ Cont / Bright max)
2.5. Synchronization
Horizontal: 30 to 83 kHz
Vertical: 50 to 75 Hz Non-interlaced
maximum 75Hz @ 1280 x 1024 mode
Recommended 60Hz @ 1280 x 1024 mode
2.6 Display Characteristics
2.6.1 Picture Size
Horizontal Width 376.32 mm (typical)
Vertical Width 301.06 mm (typical)
2.6.2 Optical Characteristics
General qualities: The following data was measured by BM7 of TOPCON
data are panel optical data, for analog signal there are +- 5% tolerance.
Item Code Conditions Min. Typ. Max. Unit
Contrast CR
White
㧛
Black at Image
Center
400 600
㧙㧙
White
Brightness

L
VMAX
FULL White 200 250
㧙
cd / m
2
Uniformity of
Brightness
Bmin
Bmax
75
㧙㧙
%
Response
At 25 degree
Tpd
All White
ψ
All Black
All Black
ψ
All White
15
10
㧙
㧙
ms
ms
Right
Ә
R
Center

CR
㧪
10
85
㧙
Degree
Viewing Left
Ә
L
85
㧙
Degree
Angle Up
ӥ
H
85
㧙
Degree
Down
ӥ
L
85
㧙
Degree
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9
ViewSonic Corporation
Confidential – Do Not Copy VX900-2