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8-.(-13.
Chroma Emphasis fo Adjustment
(SV-35
Board)
Mode
Recording
Signal
Color
bar
Measurement Point
Pin
@
of IC600
Measuring
Instrument Oscilloscope
Adjusting Element
FL601
Specified Value
Minimum
fo compQnent
Adjusting method
:
I)
Adjust FL601
so
as
to
minimize amplitude
of
the
chroma s
ignal
red
flat
portion.
Minimize amplitude
of
the
red flat
portion
Fig.
8-20.
Chroma emphasis
fo
adjustment
8-.(-14.
REC Y
recording
current adjustment
(SV-35
Board)
Mode
Recording
Signal
Non-signal
Measurement Point
Pin
®
of IC501 (Fig. 8
22
@)
Measuring Instrument Oscilloscope
Adjusting Element
RV800
Specified Value
390 ± 10 mVp-p
Adjusting method :
1)
Adjust
to
390
±
10 mVp-p with RV800.
Middle of the line width
T
390
±
10
mVp-p
J_
µsec
Middle of the line width
Fig.
8-21.
REC
Y
recording
current adjustment
8-4-15.
REC C Recording Current Adjustment
(SV-35
Board)
Mode
Recording
Signal
Color
bar
Measurement
Point
Pin@
of
IC501 (Fig.
8-22
@)
Measuring
Instrument
Oscilloscope
Adjusting Element
RV504
Specified
Value
68
±
3 mVp-p
Notea
:
1)
Always
perform
"REC
AFM Recording
Current
Adjustment" after
this
adjustment
2
)
Use
an MP-type
tape
(level
at
Pin
®
of
CN006 must
be
low).
Connections
:
1)
In
order
to prevent other recording
signals
from
160
-
interfering
.
connect
the
following
three
connections
with jumper
wires :
•
Emitter
of
Q803
(REC
Y)
-
GND
•
Terminal on
the
C219 side
of RV503
(Fig. 8-22
® :
REC A
TF)
-
GND
•Terminal
on the C006 side
of
RV505
(Fig. 8-22
<0:
REC AFM)
-
GN
D
*Use the RP block shield
case as GND.
SV-35
Board
(pattern
side)
Fig.
8-22.
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