Sharp LC-37AD1E Service Manual page 30

LC-37AD1E
2) Digital white balance adjustment
(1) PAL signal adjustment
Item
1 Setting
2
PAL R cutoff
PAL G cutoff
3
PAL B cutoff
4
PAL R drive
5
PAL G drive
6
PAL B drive
7
Convergence
8
(2) NTSC signal adjustment
Item
1 Setting
2
N358 R cutoff
N358 G cutoff
3
N358 B cutoff
4
N358 R drive
5
N358 G drive
6
N358 B drive
7
Convergence
8
Adjusting conditions
1. Provide the adjusting PAL signal (adjustment conditions) to the video image input pin of
video input 1. Page: 7
20% white window pattern
~ It is recommended that a
pattern without chroma and
burst be used.
80% white window pattern
~ It is recommended that a
pattern without chroma and
burst be used.
Repeat the above adjustments until convergence is reached (Adjust cutoff, drive, cutoff, drive and so on.)
Adjusting conditions
1. Provide the adjusting N358 signal (adjustment conditions) to the video image input pin of
video input 1. Page: 8
20% white window pattern
~ It is recommended that a
pattern without chroma and
burst be used.
80% white window pattern
~ It is recommended that a
pattern without chroma and
burst be used.
Repeat the above adjustments until convergence is reached (Adjust cutoff, drive, cutoff, drive and so on.)
30
Adjusting procedure
1. Press "1" on the remote controller in the process
adjustment mode.
2. Adjust "PAL R CUTOFF" so that the luminance level of
the window pattern is maximized.
1. Press "2" on the remote controller in the process
adjustment mode.
2. Adjust "PAL 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 "PAL 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 "PAL 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 "PAL 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 "PAL B DRIVE" so that the luminance level of the
window pattern is maximized.
Adjusting procedure
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.
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.