Sharp LC-19LS410UT, Service Manual

Page: 27 / 115

2008-03-14
LC-19LS410UT, LC-22LS510UT
27
If use internal pattern, set level to 818 (80% white pattern).
17. Adjust the 20. Scaler R GAIN, 22. Scaler B GAIN values to meet “Warm” color coordinates specification below. (Please
keep 21. Scaler G GAIN at 0)
18. Apply RGB Full white pattern and change signal level to 48 (20% white pattern)
If use internal pattern, set level to 204 (20% white pattern).
19. Adjust the 23. Scaler R Offset, 25.Scaler B Offset values to meet “Warm” color coordinates specification below. (Please
keep 24.Scaler G Offset at 0)
20. Repeat step 16, 17, 18, 19, twice to meet “Warml” color coordinates specification below.
21. Select ”26. Clr temp Copy” item and perss RC “ X ”. The warm adjust value will copy to all of input source automaticly.
22. Select ”19. Color temp” item and change to “User”.
23. Copy “Normal” adjust value to 20. Scaler R GAIN, 22. Scaler B GAIN, 23. Scaler R Offset, 25.Scaler B Offset.
24. Select ”26. Clr temp Copy” item and perss RC “
X
”. The User adjust value will copy to all of input source automaticly.
Color temperature Normal/Warm/Cool (x, y) co-ordinates specification:
Tolerance
∆
x,
∆
y = +/- 0.005
Factory alignment tolerance at 80% white
∆
x,
∆
y = +/- 0.005 at 20% white
∆
x,
∆
y = +/- 0.009
Check the 16 grayscale pattern should be distinguished and color bar is correct
Reset AV setting in OSD menu, picture mode shall be recalled to be “Standard” mode.
Note:
1. Use Minolta CA-210 for color coordinates and luminance check.
2. Before adjusting,all colour analyzers (CA-210) should be coordinates with a same reference TV set.
3. Luminance > 250 cd/m
2
in the center of the screen when Brightness control at 100; Contrast control at 100
Warm / (6500
°
K) Normal / (7300
°
K) Cool / (8500
°
K)
x (center)
0.313
±
0.015 0.302
±
0.015 0.290
±
0.015
y (center)
0.329
±
0.015 0.312
±
0.015 0.300
±
0.015