ViewSonic VA903b-3 VS11372, Service Manual

Page: 13 / 84

ViewSonic Corporation
Confidential - Do Not Copy
VA903b-1_ VA903m-1
10
IMAGE PERFORMANCE
Display Size
Horizontal Display Size, Primary Preset
FULL SCREEN
Vertical Display Size, Primary Preset
FULL SCREEN
Luminance
Lv
(Max)
–Condition:
Brightness / Contrast = 100%
CCT = USER COLOR (R/G/B=100%)
Lv (Max) = The Luminance requirement of section 4-6
“TFT LCD PANEL”
Lv
(6500Kf)
–Condition:
Brightness / Contrast = Default
Color Temperature = 6500K
Lv
(6500K)
/ Lv
(Max)
x 100%
≧
85%
Lv
(sRGB)
–Condition:
Brightness / Contrast = Default
CCT =sRGB
Lv
(sRGB)
/ Lv
(Max)
x 100%
≧
85%
Lv
(9300K)
–Condition:
Brightness / Contrast = Default
CCT = 9300K
Lv
(9300K)
/ Lv
(Max)
x 100% > 70%
Lv
(5400K)
–Condition:
Brightness / Contrast = Default
CCT = 5400K
Lv
(5400K)
/ Lv
(Max)
x 100% > 75%
Lv
(Brightness)
–Condition:
Contrast = 100%
Lv
(Brightness=0%)
/ Lv
(Brightness=100%)
x 100%
≤
55%
Lv
(Contrast)
–Condition:
Brightness = 100%
Lv
(Contrast=0%)
/ Lv
(Contrast=100%)
x 100%
≤
30%
Contrast Ratio
CR
(Max)
–Condition:
Contrast / Brightness = 100%
CCT = USER COLOR (R/G/B=100%)
Same as the Contrast Ratio in section 4-6
“TFT LCD PANEL”
CR
(6500K)
–Condition:
Contrast / Brightness = 100%
CCT = 6500K
CR
(6500K)
/ CR
(Max) ≧
93%
Saturation
Contrast = Default
Brightness = Default
Test pattern = 64-gray
NO VISIBLE SATURATION
Contrast = 100%
Brightness = 100%
Test pattern = 64-gray
8~10 VISIBLE SATURATION