Read Sharp XV-Z12000 (serv.man11) Service Manual online
No.
Adjusting point
Adjusting conditions
Adjusting procedure
27
XV-Z12000
1. Input a white pattern color
difference signal of Y
(brightness) 0% and CB/CR
0%.
INPUT 5
(brightness) 0% and CB/CR
0%.
INPUT 5
2. Select the following group
and subject.
Group:
Group:
A/D (COMP)
Subject: G-BRIGHT
CR OFFSET
CB OFFSET
CB OFFSET
2-2 A/D (COMP)
G brightness
adjustment
CR offset check-
ing
CB offset check-
ing
adjustment
CR offset check-
ing
CB offset check-
ing
1. Select the A/D (COMP) menu and set G-BRIGHT to
the numeric value of G-BRIGHT of A/D (RGB).
2. Check that CB-OFFSET and CR-OFFSET are ad-
justed to 20.
3. Exit the A/D (COMP) menu by pressing the UNDO
key on the remote control.
3
Color wheel
index adjust-
ment
index adjust-
ment
1. Feed the color wheel index
adjustment pattern signal.
INPUT5
INPUT5
2. Select the following group
and subject.
Group:
Group:
DLP
Subject: CW INDEX
1. Select CW-INDEX from the DLP menu.
2. Adjust the setting so that the R, G and B lamp tone
2. Adjust the setting so that the R, G and B lamp tone
pattern should be smooth without noises.
R
G
B
4
White balance/
background
adjustment
background
adjustment
Refer to "Background adjust-
ment method" (page 31).
ment method" (page 31).
5
Video H center
adjustment
adjustment
1. Input an NTSC monoscope
signal.
INPUT 4
INPUT 4
2. Select the following group
and subject.
Group:
Group:
VIDEO1
Subject: NTSC-H
1. Select NTSC-H from the VIDEO 1 menu.
2. Adjust so that the right and left overscan become
2. Adjust so that the right and left overscan become
the same.
6
Video bright-
ness/contrast
adjustment
ness/contrast
adjustment
1. Input 100% window pattern
of NTSC signal.
INPUT 4
INPUT 4
2. Select the following group
and subject.
Group:
Group:
VIDEO1
Subject: AUTO
1. After inputting the signal, select AUTO from the
VIDEO 1 menu, and it is automatically adjusted by
pressing the ENTER key on the remote control.
pressing the ENTER key on the remote control.
7
Video TINT
adjustment
adjustment
1. Input split color bar signal.
INPUT 4
2. Select the following group
and subject.
Group:
Group:
VIDEO 1
Subject: TINT
1. Select the VIDEO 1 menu to check the value of TINT.
Fixed value: 120
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