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(4) Contrast Adjustment
(Figs.
2-161,
2-163)
EQUIPMENT/JIG
|
a
POINTS
CONDIT LON
ADJUST
POINT.
SPECI
IGATION
rasan
[en [Re
"(OC mode)
oni
chart
(CONTRAST)
1)
Connect an oscilloscope
to TP2101.
2)
Adjust RT2104 so that the section
(B)
in the waveform
is 4.4V + 0.05Vp-p.
(See Fig. 2-163)
(5) Sub-Contrast
Adjustment
(Figs.
2-161,
2-164)
[EQUIPWENT/JiG =] —STEST POINTS =~
|_ —SCCONDITION
ers POINTS
SPECIFICATION
-Qsilloscope
.
-Aim at the gray
(DC mode)
"TPO107
scale chart
"(SUB CONT. B)
-TP2102
.
Connect an oscilloscope
(CH-1)
to TP2101.
Connect the oscilloscope
(CH-2)
to TP2107.
Adjust RT2106 so the difference
in level
between CH-1 and 2 is minimum
(within +0.1V).
Connect an oscilloscope
(CH-2)
to TP2102.
Adjust RT2105 so the difference
in level
between CH-1 and 2 is minimum
(within +0.1V).
Te
eee mo and Color Phase isla
(Figs. 2-162,
2-165)
gee
reuse
:
chart
*OP2102 (TINT)
ED
(Input the full
color bar signal.
Connect an oscilloscope
to TP2102.
Adjust CP2102 to minimize
the
fluctuations
in red section
of the
waveform.
Adjust RT2103 so the difference
in
the level
between
yellow
and cyan
is 2.6V + 0.1Vp-p.
(Fig. 2-165)
E4-4
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