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TC-766-2
10.
Back Tension Set-up in Rewind
Mode
(Refer to Fig. 12)
When adjusting (RV703) and setting up forward
take-up tension, rewind back tension is automatically
decided. (fixed)
In
addition,
as
determined
by
reel
size, the
switching
of impedance
(R) as seen from
the drive
transistor (Q739) side takes place.
1.
The
set-up
of R for each
mode
is shown
in
Table 2.
Table 2
R603//(R604 + R605)
R603//R605
2.
The
values for R603, 604 and 605 are deter-
mined
to
obtain
the
desired
rewind
back
tension
in
the
situation
where
the
forward
take-up tension is adjusted (RV703).
a see
[
Q734
B+
Fig. 12
take-up reel
motor
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