ViewSonic VA903b-3 VS11372, Service Manual

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ViewSonic Corporation
Confidential - Do Not Copy
VA903b-1_ VA903m-1
11
Contrast = 100%
Brightness = 100%
Input signal level = 720mV
Test pattern = 64-gray
8~10 VISIBLE SATURATION
Preset Color Temperatures
sRGB It should meet IEC 61966-2-1 (1999-10) standard.
CCT (typ) =
9300K
(u’
CCT
=0.1888; v’
CCT
=0.4457)
CCT (max) = 10250K, CCT (min) = 8500K
Preset 1
Δ
u’v’<0.01 (@ Full White pattern)
CCT (typ) =
6500K
(u’
CCT
=0.1978; v’
CCT
=0.4684)
CCT (max) = 6950K, CCT (min) = 6100K
Preset 2 (Primary)
Δ
u’v’<0.01 (@ Full White pattern)
CCT (typ) =
5400K
(u’
CCT
=0.2044; v’
CCT
=0.4808)
CCT (max) = 6185K, CCT (min) = 4935K
Preset 3
Δ
u’v’<0.01 (@ Full White pattern)
Preset Color Temperature
Each color preset shall be adjustable. Red, Green,
and Blue shall be individually controlled.
Video Cards Compatibility
Peaking Performance: Peaking is not adjustable
Raster Artifacts
●
Video Artifacts : No visible streaking, sag, or smearing artifacts when driven by the specified
video cards in the primary mode and after user adjustment to best condition
●
Power Supply, and Grounding Artifacts : No visible artifacts in any specified video mode
within the horizontal or vertical frequency range of the monitor
●
Temperature Drift : Image shall not drift or lose fine-tune adjustment