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Sharp XV-Z9000U/E Service Anleitung Seite 25

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No.
Adjusting point
5
RGB tone
reproduction
adjustment
6
Adjusting the
Background
Color
7
Video horizontal
center adjust-
ment
8
Video BRIGHT-
NESS adjust-
ment
9
Video picture
adjustment
10
Video tint
adjustment
Adjusting conditions
1. Feed the SMPTE pattern
signal.
INPUT5
2. Select the following group
and subject.
Group:
DLP
Subject: R-BRIGHT
G-BRIGHT
B-BRIGHT
1. Select the following group
and subject.
Group:
DLP
Subject: R-GAIN
G-GAIN
B-GAIN
2. Feed the Component
video, 75% white signal.
3. Signal level: 0.7±0.05 Vp-p
(sync section not included)
4. R-GAIN, G-GAIN and B-
GAIN initial settings: 95
5. Target chromaticity:
x = 0.272 ± 0.005
y = 0.310 ± 0.005
(color temperature 9500K+15 µV)
1. Feed the NTSC mono-
scope pattern signal.
INPUT4
2. Select the following group
and subject.
Group:
VIDEO 1
Subject: NTSC-H
1. Feed the NTSC 10-step
gray-scale signal.
2. Select the following group
and subject.
Group:
VIDEO1
Subject: BRIGHT
1. Feed the NTSC 10-step
gray-scale signal.
2. Select the following group
and subject.
Group:
VIDEO1
Subject: PICTURE
1. Feed the internal 8CH (split
color bar) signal.
INPUT4
2. Select the following group
and subject.
Group:
VIDEO1
Subject: TINT
Adjusting procedure
1. Make sure the 100% and 95% white and the 0%
and 5% black tones are visible.
2. If the black tone appears otherwise, finely adjust the
R-BRIGHT, G-BRIGHT and B-BRIGHT settings.
1. Project an image over a 40-inch screen and
measure the chromaticity at the center using a
chromaticity meter.
2. Keep the G-GAIN setting fixed at 95.
3. Adjust the B-GAIN setting to get the y value to its
target chromaticity.
4. Adjust the R-GAIN setting to get the x value to its
target chromaticity.
1. Using the control switches on the set or the buttons
on the remote control, adjust the setting until the
overscan should be equal at right and left.
1. Using the control switches on the set or the buttons
on the remote control, adjust the setting until more
bit dropouts start at the 0% black level.
1. Using the control switches on the set or the buttons
on the remote control, adjust the setting until bit drop-
outs start at the 100% white level.
1. Check the fixed setting.
Fixed setting: 128
25
XV-Z9000U/E

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