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Step 2.
CH-B
RF
frequency
response
adjustment
machine
conditions
for
adjustment
spec.
adjustment
«Short
between
CN104-10B/
DM-54
(D-7)
and
GND; and
TP12/MD-44
(E-8)
and
GND
with
shorting
clips.
¢ Adjust
the
sweep
signal
gener-
ator
output
so
that
the
signal
level
is 250 mVpp.
*Couple
a
sweep
signal
to the
video
head
(CH-B).
«Adjust
the
coupling
so_
that
the
amplitude
is
maximized.
«After
the
adjustment
is
completed,
remove
the
short-
ing
clips.
TP10/RP-30(D-1)
1MHz
7MHz
1MHz
7MHz
100 9
0
100 %
(reference)
TRIG:
Trigger
output/sweep
generator
@ORV6/RP-30(D-1)
12-2.
AUDIO
BIAS
TRAP
ADJUSTMENT
machine
conditions
for
adjustment
spec.
adjustment
«Insert
the
tape
on
which
only
a
CTL
signal
is recorded
(a
video
signal
is
not
being
recorded
on
the
tape).
'AUDIO
CH-1
INSERT
mode.
TP511/DM-54(L-7)
Minimize
bias
leak
A.
—
VV
@LV501/DM-54(M-6)
12-3
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