Sharp LC-30HV4U Service Manual page 28

LC-30HV4U
LC-30HV4D
2) Digital white balance adjustment
(1) 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
(2) Component 15 kHz signal adjustment
Item
1 Setting
2
Component 15 kHz
R cutoff
Component 15 kHz
3
G cutoff
Component 15 kHz
4
B cutoff
Component 15 kHz
5
R drive
Component 15 kHz
6
G drive
Component 15 kHz
7
B drive
Convergence
8
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.)
Adjusting conditions
1. Provide the adjusting 525i component signal (adjustment conditions) to the component
video input pin of video 1. Page: 9
20% white window pattern
~ Simply press Y.
80% white window pattern
~ Simply press Y.
Repeat the above adjustments until convergence is reached (Adjust cutoff, drive, cutoff, drive and so on.)
28
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.
Adjusting procedure
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.
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.