Read Sharp XV-Z200E (serv.man11) Service Manual online
No.
Adjusting point
Adjusting conditions
Adjusting procedure
23
XV-Z200U/E, XV-Z201E
DT-300
DT-300
3-3
B-Bright / B-
Contrast
(Manual or auto
adjustment)
Contrast
(Manual or auto
adjustment)
1. Group: AD
Subject: B-BRIGHT (Black
level)
B - C O N T R A S T ( W h i t e
level)
level)
B - C O N T R A S T ( W h i t e
level)
2. Feed the window pattern
signal containing 91%
(0.64Vp-p) B signal and
0% level.
(Process/Gamma interac-
tion)
(SVGA or XGA)
Input 2 RGB input
(0.64Vp-p) B signal and
0% level.
(Process/Gamma interac-
tion)
(SVGA or XGA)
Input 2 RGB input
1. Using CA100, observe the chromaticity of the 0%
window pattern portion.
2. In the screen with missing bits, change B-Bright
until y value for bright red changes to the black
side point where it will not change any more. From
here, raise the level by a single point where the
first missing bits occur
(value change of more than 5/1000), and adjust
the level to this point.
side point where it will not change any more. From
here, raise the level by a single point where the
first missing bits occur
(value change of more than 5/1000), and adjust
the level to this point.
3. Using CA100, observe the chromaticity of the 91%
B signal portion.
4. In the screen with missing bits, change B-Con-
trast until y value for bright red changes to the
black side point where it will not change any more.
From here, raise the level by a single point where
the first missing bits occur
(value change of more than 5/1000), and adjust
the level to this point.
black side point where it will not change any more.
From here, raise the level by a single point where
the first missing bits occur
(value change of more than 5/1000), and adjust
the level to this point.
4
DTV Bright /
Contrast
(Manual or auto
adjustment)
Contrast
(Manual or auto
adjustment)
1. Feed the 480P 100%/0%
black/white window pat-
tern signal.
tern signal.
2. Group: DTV
Subject: BRIGHT (Black
level)
CONTRAST (White level)
(Process/Gamma interac-
tion)
Input 2 Color difference in-
put
level)
CONTRAST (White level)
(Process/Gamma interac-
tion)
Input 2 Color difference in-
put
1. Using CA100, observe the chromaticity of the 0%
black window pattern portion.
2. In the screen with missing bits, change Bright
until y value for bright green changes to the black
side point where it will not change any more. From
here, raise the level by a single point where the
first missing bits occur
(value change of more than 5/1000), and adjust
the level to this point.
side point where it will not change any more. From
here, raise the level by a single point where the
first missing bits occur
(value change of more than 5/1000), and adjust
the level to this point.
3. Using CA100, observe the chromaticity of the 100%
white window pattern portion.
4. In the screen with missing bits, change Contrast
until y value for bright green changes to the black
side point where it will not change any more. From
here, raise the level by a single point where the
first missing bits occur
(value change of more than 5/1000), and adjust
the level to this point.
side point where it will not change any more. From
here, raise the level by a single point where the
first missing bits occur
(value change of more than 5/1000), and adjust
the level to this point.
5
DTV Tint
1. Group: DTV
Subject: Tint
1. Check the fixed value.
Tint: 8
6
DTV Color
Saturation
Level
Saturation
Level
1. Group: DTV
Subject: Color
1. Check the fixed value.
Color: 10
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