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GX-N5E
Measuring
:
Item
.
instrument
| Test point and Adjustment part
|
Description
. {CHROMA
GAIN
Adjustment
Ws te
Vectorscope
Color bar
pattern
(CC-2T)
Oscillocope
( H-rate )
10:1
Color bar
pattern
(CC-2T)
©
Set
the iris for a value
of 0.7Vpp-we
at
VIDEO OUT.
VIDEO OUT
R390 (R-Y GAIN)
R400 (B-Y GAIN)
1. Adjust R390
(R-Y GAIN)
so that the red
saturation
is positioned
at point
(1),
as
shown in Fig. 3-17 {a).
Fig. 3-17 (a)
2. Adjust R400 (B-Y GAIN) so that the yellow
saturation
is positioned
at point
(2), as
shown in Fig. 3-17
(a).
(Note) This adjustment
should
be performed
with a vectorscope. If not available, the
adjustment
may
also be performed
as
follows.
VIDEO OUT
Adjustment procedure with oscilloscope
©
Shoot the color bar pattern and set the iris
for a White value of 0.7Vpp-wp
at VIDEO
OUT.
1. Adjust R390 (R-Y GAIN) so that the red sec-
tion in Fig. 3-17 (b) become approx. 0.6V.
2. Adjust R400 (B-Y GAIN) so that the yellow
section
in Fig. 3-17
(b) become
approx.
0.85V.
tpl
im,
0.85Vp-p
0.7Vp-p
it
Fig. 3-17 (b)
3. Shoot a color object and check whether the
hue is natural.
32E (No. 5391B)
7
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