Sony RM-E700 - Page 85

7-2-11.
DC
Balance
(C)
Adjustment
7-2-12.
Chroma
Level
Adjustment
(VI-60
Board)
(VI-60
Board)
Connect the measuring instruments as shown in the following
Mode Superimpose
diagram.
Signal Color bar and None
Measurement
|
TP
10
(Pin@®
of
IC
213)
Y/C
separate
point
Pattern
generator
output
terminal
RM-E700
Measuring Oscilloscope
C out
instrument
°
(300mVp-p)
Adjusting RV 3
element
Specified AV =0+10mV
value
[Adjusting method]
1) Input the color bar signal.
2) Press the PAGE 1 button.
3) Press the IMAGE button so that the IMAGE indication is
displayed in the display window.
4) Press the MEMORY button.
5)
Set
that
the
digital
color
is
block
with
COLOR
button.
Fig.
7-10.
6) The input signal should be no signal.
7)
While
pressing
the
internal
switch
of
CNJ
2
S
VIDEO
Signal
Color
bar
(§
VIDEO
INPUT)
OUT
by
a
rod,
make
adjustment
of
8).
Measurement
|
Refer
to
the
Fig.
7-10.
8) Adjust with RV3 so that the difference (AV) of TP 10
output waveform is 0+10mV.
Measurement | Refer to the Fig. 7-10.
9)
Press
the
CLEAR
button.
pot
:
AV
Measuring
Oscilloscope
No
good
—
4,
a
instrument
:
:
y
Adjusting
RV7
element
Good
—_,———}—
Seay
Specified
300+
30mVp-p
value
Fig. 7-9. [Adjusting method]
1) Adjust RV7 so that the burst level is 300+30mVp-p.
|
300+ 30mVp-p
|
tH a
Fig. 7-17.
) 7
i
t
burst
—106—