Preliminary
Information
A.
This adjustment
is to make the heads trace the record
pattern
of the
tape
and
make
the heads come into contact
with the tape properly
so
that the tape interchangeability
is maintained.
The height
or slant of the taper guide, slant guides
(entrance
and
exit)
and
guide
post
3 must
be
adjusted.
The RF waveform
of the tape entrance
side must be
adjusted
first, and then that of the tape exit side
must be adjusted.
Each
of the taper
slant
guide should be adjusted
alternately
while checking
the RF waveform.
@)
Before
turning
the slant guide
screw,
push
the tape
lightly
and check
the direction
in
which the slant guide must be moved.
G)
For the relation
between
the turning
direction
of
the adjustment
screw and
direction
of
slant guide, see Fig. 10-13.
®
Make as much of the tracking
adjustment
as possible
by
the slant of the slant
Be careful
that
the
flange
does not press the tape ex-
cessively when turning
the height adiustrnent
screw.
(J)
Each height of the guide post 3 and exit slant guide
should be adjusted
while checking the RF waveform.
C.
To adjust the height and slant, use phillips screwdriver
for M2.6.
If the tracking
cannot
be
correctly
owing to
the wear of the entrance
slant guide, exit slant guide or
the tape guide section
of the head drum assembly,
re-
place the part in acordance
with the following section.
Head drum
Section 3-6
Entrance
slant guides assembly:
Section 3-8
Exit slant guide assembly:
Section 3-8
Components
of the slant
assembly:
Section 6-6
TAPE EXIT SIDE
TAPE ENTRANCE
SIDE
\
Fig. 10-12.
Tracking Adjustment
SLANT ADJUSTMENT
9
ENTRANCE
s>
EXIT SLANT
\'
GUIDE~
\
\
10-13.
Movement of Adjustment
Screws and Slant Gu ides
BVH-2000( u/C)/PS/PM
BVH-2180(U/C)/PS/PM
10-11
BVH-2500(U/C)/P
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Содержание BVH-2000
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