Sony EVO-720P - Exit Side Adjustment

5) Raise the entrance side waveform slightly by
rotating No.2 guide, (See Fig, 7-72.)
6) Flatten the waveform with No.3 guide. (See Fig.
7-73,)
7) Tighten No.2 guide lock screw @. (See Fig. 7-67.)
Be sure to perform checking in accordance
with 7-4-5, Checking after Adjustment.
f —
c B
fe eg
: C=1.15B~1.258
Fig. 7-72.
SE Make it completely flat.
Fig. 7-73.
74-4, Exit Side Adjustment
1) Play back the alignment tape (WRS-IC) - for
tracking and rotate No.4 guide and No.5 guide
counterclockwise in order. to make the tape
running on the, exit side free. (See Fig, 7-74,)
Note: If the No.6 guide nut does not loosen
(it is locked with screw-paint), dissolve
the paint with alcohol,
*Confitm that the tape is not touching
the top and bottom of flanges of No.5
guide during free tape running,
2)
Confirm
that
the
RF
waveform
on
the.
exit
side
has
1
to
3
peaks.
If
not,
readjust
as
follows.
(See
Fig.
7-75.)
(tf off standard)
i)
Rotate
the
lock
screw
@
counterclockwise
to
loosen,
fi)
Slowiy
rotate
the
zenith
screw
@
45°
at
a
time
and
wait
until
the
RF
waveform
varies,
iii).
Rotate
the
lock
screw
@
clockwise
to
tighten.
(See
Fig.
7-74.)
Note: The waveform varies if the lock screw is
tightened too strongly. Tighten moderately,
* Never rotate the azimuth screw of No.6
guide,
No.5
guide
@
Lock
screw
Azimuth screw
No.4 guide
Zenith screw
rotated
counterclockwise! %
@ Zenith screw
» © Zenith screw
rotated
clockwise
Fig. 7-74.
1 —3 peaks
“—_
Fig. 7-75.
—305—