Teac MT-20D-IO Maintenance Manual page 132

Note 1. Key in either "0" or "1" according to the winding status of
the tape;
"0"
for the forward winding, and
"1"
for the
reverse winding.
2.
Since a tape curl status is identified by the reflection of
light, this check should be performed at a well-illuminated
place.
(g) Key in
"F"
to stop the tape winding.
(h) If step (e) is unsuccessful, adjust the tilt of encoder roller
with the adjusting screw.
(i) Key in "EO", and 1.0 will be indicated to the display DATA 1.
Successively key in
"30F"
to set the tape winding time to
3
sec.
(j) Key in "E1",
and 1.0 will be indicated to the display DATA 1.
Successively, key in
"OSF"
to set the tape stop time to
0.5
sec.
(k) Key in "0" or "1" and wind the tape nearly to the winding center
position.
(1)
Key in
"2"
to wind the tape forward and reverse continuously, and
then turn the adjusting screw until the specification of step (e)
is satisfied. Wnen the tape is shifted upwards with respect to
the guide during the forward winding, and downwards during the
reverse winding, turn the adjusting screw counterclockwise. In
the reverse case to the above, turn the adjusting screw clockwise.
(m) Key in
"F"
to stop the tape winding.
(n) Key in
"0"
or
"1",
and wind the tape continuously forward or
reversely over the total length of the tape, and then check for
step (e).
(0) When the results of adjustment are unsatisfactory, repeat steps
(k) to (m).
(p) Key in "F" to stop the tape winding.
(q) Eject the mirror cassette.
(r) Apply acrew lock (red) to the adjusting screw.
(s) When the height of the encoder roller has been adjusted in step
(e), stick the encoder roller in accordance with Item 4-3-2 (g).
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