Sharp DV-L78U Service Manual page 14

DV-L78U
6-5. CHECK AND READJUSTMENT
1. Free run check
Adjustment VR
Adjustment Point
Input Signal/Setting External input
Check and
Readjustment
2. Screen position check
Adjustment VR
Adjustment Point
Input Signal/Setting Monoscope full screen
Check and
Readjustment
3. Luminance/gradation check
Adjustment VR
Adjustment Point
Input Signal/Setting 10STEP signal
Check and
4. Depth check
Adjustment VR
Adjustment Point
Check and
Readjustment
5. Tint check
Adjustment VR
Adjustment Point
Check and
Readjustment
R1104
Visual observation
Check that the horizontal movement of OSD position is 1 mm or less
when inputting a signal in the external input mode with no signal input.
If it is more than 1 mm, adjust it so as to get 1 mm or less.
R1103
Visual observation of panel
Check whether the screen is located in the center. If it is not located in the center, adjust it to the
center.
GPOS
Comparison with the standard set
Check whether the luminance and gradation of 10STEP signal are not different in comparison
with the standard set. If they are different, adjust them so as to get equal to the standard set.
S depth
Comparison with the standard set
Check whether the depth of color is not different in comparison with the standard set. If it is
different, adjust it so as to get equal to the standard set.
S tint
Comparison with the standard set
Check whether the tone is not different in comparison with the standard set. If it is different, adjust
it so as to get equal to the standard set.
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Input