Read Sharp DV-L88 (serv.man6) Service Manual online
DV-L88S/S(H)
DV-L88W/W(A)
DV-L88W/W(A)
14
Adjustment Item
Adjustment Menu
Adjustment Point
Signal/Setting
Adjustment Contents
1
Free run
R1933
OSD character
External input
Check that the horizontal movement of OSD
check
(VR)
visual observation
(625/25)
position is 2mm or less when inputting a signal
in the external input mode with no signal input.
If it is more than 2 mm, adjust it so as to get
2 mm or less
in the external input mode with no signal input.
If it is more than 2 mm, adjust it so as to get
2 mm or less
2
Screen positon
R1914
Visual observation of
Monoscope full
95% of the scales for the overcoat scanning
check
(VR)
panel
screen
confirmation confirm whether it can be seen
(625/25)
with the right and left as well in the monoscope
image plane. Center adjustment is done when
a scale can't be seen.
image plane. Center adjustment is done when
a scale can't be seen.
3
Luminance/
GPOS
Comparison with the
10STEP signal
Check whether the luminance and gradation
gradation check
standard set
of 10STEP signal are not different in compar-
ison with the standard set. If they are different,
adjust them so as to get equal to the standard
set.
ison with the standard set. If they are different,
adjust them so as to get equal to the standard
set.
4
Sub colour
SBRIGHT
Comparison with the
Check whether the depth of colour is not diffe-
check
standard set
rent in comparison with the standard set. If it is
different, addjust it so as to get equal to the
standard set.
different, addjust it so as to get equal to the
standard set.
5
Sub tint check
STINT
Comparison with the
Check wheter the tone is not different in co-
standard set
mparison with the standard set. If it is different,
adjust it so as to get equal to the standard set.
adjust it so as to get equal to the standard set.
6
OSD positon
OSDH
OSD character
External input
Check the outside input mode, and it confirms
check
visual observation
that the character of INPUT of OSD is 15mm
±
2mm from the right end of the image plane.
When it deviates, it is confirmed.
CHECK AND READJUSTMENT
INPUT
INPUT
15mm
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