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NOTE:
(5)
(6)
(i) Adjust
the slantness
adjustment
screw
(a)
in
the
clockwise
direction
within
a 10 degree
angle.
(ii)
When
the
tracking
of
the
center
of
adjusted,
the
FR
side
of
the
drum
is
envelope
at
the
entrance
the
drum
should
remain
flat.
(iii)
Check
that
the tape
runs in contact
with
the
upper
flange
of
the
S
Drawer
Roller without
any curling.
If the RF envelope is not flat in Step (4),
adjust the height
of TG-3
and TG-4.
If
the
RF
envelope
is
not
flat
in
Steps
(4)
and
(5),
the
zenith
of
the
Audio/CTL
Head
within
the
allowable
range.
Adjust
the
height
of
TG-3
and
TG-4
again.
adjust
(7)
Check
that
the
clearance
between
the
bottom
edge
of
the
tape
and
the
lower
flange
of the Threading
Roller
is 0.01 mm
to
0.05
mm.
It"
if
:is
out
-of*
the
the
height
of
the
by
turning
the
upper
specification,
adjust
Threading
Roller
flange of the Threading
Roller.
- When
tracking
at the exit side of the drum
(8)
(9)
is not
good.
Turn
the
TRACKING
control
knob
until
the
RF
envelope
amplitude
is
70
to
80%
of
maximum.
If
the
RF
envelope
is
not
flat
as
shown
in
the
figure
1,
adjust
the
height
of
TG-4
until
flat.
After
this
adjustment,
adjust
the
height
of TG-3
so that the tape runs
in contact
with
the
upper
the
RF
envelope
is
not
flat
as
shown
in
the
figure
2, adjust
the
height
of TG-3
and
TG-4
until
the
RF
envelope
is flat. If it
is
not,
adjust
the
zenith
of
the
Audio/CTL
Head
within
the
allowable
range.
Adjust
the
height
of
TG-3
and
TG-4
again.
the
RF _
envelope
is
flange.
If
uneven tape tension
oe
cos
«63S
uneven tape tension
/۩
(Audio/CTL Head Zenith Adjustment)
@
oe
Spec:
(@) < 0.05mm
Flatness Plate
Audio/CTL Head
(Exit Side)
Fig. 1
Fig. 2
Entrance Roller
Full Erase Head
S Tension Detector Roller
TG-2
The tape runs in contact with
the upper flange.
S Drawer Roller
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