Sharp Aquos LC 37HV6U, Service Manual

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29
LC-37HV6U
2) Digital white balance adjustment
(1) NTSC signal adjustment
Item Adjusting conditions Adjusting procedure
1 Setting
N358 R cutoff
1. Press "1" on the remote controller in the process
adjustment mode.
2. Adjust "N358 R CUTOFF" so that the luminance level of
the window pattern is maximized.
20% white window pattern
~
It is recommended that a
pattern without chroma and
burst be used.
3
2
4
N358 G cutoff
N358 B cutoff
5
N358 R drive
6
N358 G drive
7
N358 B drive
80% white window pattern
~
It is recommended that a
pattern without chroma and
burst be used.
(2) COMPONENT 15 kHz signal adjustment
1. Provide the adjusting N358 signal (adjustment conditions) to the video image input pin of
video input 1. Page: 8
1. Press "2" on the remote controller in the process
adjustment mode.
2. Adjust N358 G CUTOFF so that the luminance level of
the window pattern is maximized.
1. Press "3" on the remote controller in the process
adjustment mode.
2. Adjust "N358 B CUTOFF" so that the luminance level of
the window pattern is maximized.
1. Press "4" on the remote controller in the process
adjustment mode.
2. Adjust "N358 R DRIVE" so that the luminance level of
the window pattern is maximized.
1. Press "5" on the remote controller in the process
adjustment mode.
2. Adjust "N358 G DRIVE" so that the luminance level of
the window pattern is maximized.
1. Press "6" on the remote controller in the process
adjustment mode.
2. Adjust "N358 B DRIVE" so that the luminance level of
the window pattern is maximized.
8
Convergence Repeat the above adjustments until convergence is reached (Adjust cutoff, drive, cutoff, drive and so on.)
Item Adjusting conditions Adjusting procedure
1 Setting
COMP 15 kHz
R cutoff
1. Press "1" on the remote controller in the process
adjustment mode.
2. Adjust "COMP 15K R CUTOFF" so that the luminance
level of the window pattern is maximized.
20% white window pattern
~
Simply press Y.
3
2
4
COMP
15 kHz
G cutoff
COMP
15 kHz
B cutoff
5 COMP
15 kHz
R drive
6 COMP
15 kHz
G drive
7 COMP
15 kHz
B drive
80% white window pattern
~
Simply press Y.
1. Provide the adjusting 525i component signal (adjustment conditions) to the component
video input pin of video 1. Page: 9
1. Press "2" on the remote controller in the process
adjustment mode.
2. Adjust "COMP 15K G CUTOFF" so that the luminance
level of the window pattern is maximized.
1. Press "3" on the remote controller in the process
adjustment mode.
2. Adjust "COMP 15K B CUTOFF" so that the luminance
level of the window pattern is maximized.
1. Press "4" on the remote controller in the process
adjustment mode.
2. Adjust "COMP 15K R DRIVE" so that the luminance
level of the window pattern is maximized.
1. Press "5" on the remote controller in the process
adjustment mode.
2. Adjust "COMP 15K G DRIVE" so that the luminance
level of the window pattern is maximized.
1. Press "6" on the remote controller in the process
adjustment mode.
2. Adjust "COMP 15K B DRIVE" so that the luminance
level of the window pattern is maximized.
8
Convergence Repeat the above adjustments until convergence is reached (Adjust cutoff, drive, cutoff, drive and so on.)