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GX-N5E
Measuring
f
:
od
No.
Item
Rerun Ont
Test point and Adjustment part
Description
Pe
eee
oe
a
on ba
ar
18.) BURST
Vectorscope
{VIDEO OUT
R399 (Y-B BURST GAIN)
|° Close the iris.
GAIN,
R401 (R-Y BURST GAIN)
SC PHASE | Color bar
C04 (SC PHASE)
1. Turn CO4
(SC PHASE)
to establish
burst
Adjustment | pattern
level balance, as shown in Fig. 3-18 (a).
(CC-2T)
75%
Point
Fig. 3-1 8 (a)
2. Adjust R399 (Y-B BURST GAIN) and R401
(R-Y BURST GAIN) to obtain a burst level of
75%, as shown in Fig. 3-18 (b).
an ee.
Meio
>
oS
@® 75% amplitude
marking for color
burst vector
Fig. 3-18 (b)
(Note) 1. The SC PHASE adjustment can only
be performed with a vectorscope.
2. A rough adjustment of BURST GAIN
is possible also with an oscilloscope.
0.3 Vp-p
= ae
Fig. 3-18
(c)
19.| CHROMA
| Oscillocope
VIDEO OUT
R472 (CHROMA
©
Set the iris for a Yellow level of O.7Vpp-p at
LIMITER
LIMITTER)
VIDEO OUT.
Adjustment
( H-rate )
(Turn R472) counterclockwise to suppress
10:1
the color.)
Color bar
1. Adjust R472 (CHROMA LIMITER) to a point
pattern
just before the yellow carrier becomes com-
(CC-2T)
pressed, as shown in Fig. 3-19.
oa
level
ayy
wey
ti |
o7v
ny
==
a
24
Fig. 3-19
a
|
(No. 5391B) 33E
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