Sony VPL VW50 - SXRD - Projector, Руководство по обслуживанию

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2-6
VPL-VW50
2-3. White Balance Adjustment on
Servicing
2-3-1. Component
Preparation
Set Picture Mode to “Standard” and make the following
settings.
Contrast: 80
Bright: 50
Color: 50
Hue: 50
Sharpness: 50
NR: OFF
Black Level Adjust: OFF
Gamma Correction: OFF
Advanced Iris: OFF
Set each GAIN and each BIAS for RGB to 128.
Bring the ZOOM position of the lens to the center.
Adjustment
High
Set Color Temp to “High”.
Input 1080/60i 20 IRE flat field (RGB 3 color) into the
component terminal and adjust R for white balance and
BIAS for G until the chromaticity (x20, y20) is at the
standard value.
(x20, y20) = (0.284
±
0.002, 0.298
±
0.002)
Input 1080/60i 80 IRE flat field (RGB 3 color) into the
component terminal and adjust B for white balance and
GAIN for G until the chromaticity (x80, y80) is at the
standard value.
(x80, y80) = (0.284
±
0.002, 0.298
±
0.002)
Continue adjusting 80 IRE and 20 IRE until they reach
standard values.
*
If the BIAS value for B falls below 90, redo the adjust-
ments using G and B.
Save the adjusted values
Middle
Set Color Temp to “Middle”.
Input 1080/60i 20 IRE flat field (RGB 3 color) into the
component terminal and adjust R for white balance and
BIAS for G until the chromaticity (x20, y20) is at the
standard value.
(x20, y20) = (0.294
±
0.002, 0.310
±
0.002)
Input 1080/60i 80 IRE flat field (RGB 3 color) into the
component terminal and adjust B for white balance and
GAIN for G until the chromaticity (x80, y80) is at the
standard value.
(x80, y80) = (0.294
±
0.002, 0.310
±
0.002)
Continue adjusting 80 IRE and 20 IRE until they reach
standard values.
*
If the BIAS value for B falls below 90, redo the adjust-
ments using G and B.
Save the adjusted values
Low
Set Color Temp to “Low”.
Input 1080/60i 20 IRE flat field (RGB 3 color) into the
component terminal and adjust B for white balance and
BIAS for G until the chromaticity (x20, y20) is at the
standard value.
(x20, y20) = (0.313
±
0.002, 0.329
±
0.002)
Input 1080/60i 80 IRE flat field (RGB 3 color) into the
component terminal and adjust B for white balance and
GAIN for G until the chromaticity (x80, y80) is at the
standard value.
(x80, y80) = (0.313
±
0.002, 0.329
±
0.002)
Continue adjusting 80 IRE and 20 IRE until they reach
standard values.
*
If the BIAS value for B falls below 90, redo the adjust-
ments using G and R.
Save the adjusted values