Teac X-7RMKII - Page 8

X=7R vc / X-Fi
2-18 HEAD AND TAPE PATH ALIGNMENTS
NOTES: 1. Head and tape path alignment are the same for the Head adjustment screws
X-7RMKLI. and X-7MKII. The procedure for the X-
7RMKIL
is
given
below
Erase
Record
and
playback
2.
For
detailed
alignment
principles,
refer
to
the
book
Fixed
screws
@
Azimuth
“Audio Fundamental -TAPE DECK-, 8. Mechanical (not adjustable) © Height and tilt
Adjustments” published by the TEAC CORPORA- ® Tangency
TION.
2-18-1 HEAD ARRANGEMENT (for X-7RMKI)
eS oo 28
58S
Oo Oo eo Q
Tape guide pin adjustment nut
Forward Forward Reverse Forward Reverse Reverse
Erase Record mp. Playback Playback _9 Record Erase
Tape guide pins
Fig. 2-15 Head arrangement
2-18-2 HEAD REGULATION ELEMENTS 2-18-3 ALIGNMENT PROCEDURE (for X-7RMKII)
1. Visually adjust the tilt of each record and playback head so
that the head surface is parallel to the nearest tape guide pin.
2. Make coarse azimuth adjustments for the record and playback
heads by viewing each head from in front (without tape).
3. Running a TEAC YTT-8013 test tape (thickness = 35 wm) in
the forward direction, fine-adjust the height of the left tention
Adjust each head to satisfy each of the following:
TILT
The head surface should be parallel to the tape
guide pin surface.
za
AZIMUTH
roller
so
that
the
lower
edge
a
the
tape
is
just
touching
ie
. Parar Gittins lower edge of the tape guide pin (1), See Fig. 2-17, then adjust
The gap of the head core should be perpendicular «=z | : eee
to
the
tape
travel
:
Cl
the
height
of
the
tape
guide
pin
(2)
so
that
the
upper
edge
of
;
the
tape
is
in
contact
with
the
upper
edge
of
the
tape
guide.
HEIGHT
Confirm
that
the
adjustments
do
not
cause
the
tape
to
curl.
—!
—
4.
Confirm
that
the
forward
erase
head
core
protrudes
0.1
mm
The upper (lower) core of the head should be level Bae . :
:
—
above
the
moving
tape.
if
not,
replace
the
head
with
another
with the upper (lower) edge of the tape.
L_ | one and recheck.
TENOENE
Te
ou
yyee
a
me
fag
nae
The dotted line should be perpendicular to the ae: ore aad a clade pay :
surface of the tape.
Fig. 2-16 Head regulation elements