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Teac MT-20D-IO - Page 136

Teac MT-20D-IO
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(b)
8
Key
in
"F"
to
stop
the
operation.
9 Key
in
"A2l",
and
further
"I",
and
adjust
the
variable
resistor
R17
(Fig.
336)
until
the
burst
signal
VI
is
within
1.3
to
2 Vpp
(Fig.
42S).
.r---'
,--I
I
I I I
Vi
V2 V3
va
V5
v6lv7}--
I I I
Vi
V2
V31------
I I I
L.---"l..
__
~
(i)
Track
0
(ii)
Track
1,2
Note
Fig.
42S
Burst
signal
Be
careful
since
the
measuring
range
of
the
alignment
becomes
narrower,
if
VI
does
not
reach
1.3
V
according
to
the
characteristics
of
the
head
and
alignment
tape.
Check
for
the
head
alignment
in
the
following
procedure:
1
Key
in
"0"
or
"1"
to
wind
the
tape
nearly
to
the
winding
center,
and
then
key
in
"F".
2
Key
in
"A20"
.
3
Key
in
"BS",
and
read
the
DATA
on
display
of
track
O.
Display
DATA
2
Off
track
1
+.\
I (mm)
4 Key
in
"A2l".
S
Key
in
"BS",
and
read
the
DATA
on
display
of
track
1.
Display
DATA
1
Azimuth
1+1
.1
I (MINT)
Display
DATA
2
Off
track
I + J
I
I
(nun)
6
Key
in
"A22".
7 Key
in
"BS"
•
and
read
the
DATA
on
display
of
track
2.
Display
DATA
1
Azimuth
1+1
.1
(MINT)
Display
DATA
2
Off
track
I
+.1
I
(nun)
-
4043
-

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