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Volt:
:
:
ne et
i
eae aed
R603
(2) Adjust R603 to obtain 24 + 0.5 V on the voltme-
justmen
(DC Bt voltage
ter (20 kQ/V).
adj.}
voltmeter
CAUTION:
Do not short-circuit between B* circuit and
ground, or transistor Q602 will be broken.
set at
DC 50 V range
Specification: 24 +0.5 V
Note:
Make
sure
that
ac power
source
voltage
is correct.
counter
Adjust R901, R903 and R905
for the counter
reading shown in the table below.
Switch Setting:
MONITOR
switch
Specifications
(3) Make sure that the specifications shown in left
table is satisfied at the beginning and end of tape
19 ah Hes
in forward and reverse mode, with the unit placed
P
in both horizontal and vertical position.
2000
#20 He (+ 1 %)
.
(3-3/4
ips)
Note: Take
the reading
of a frequency
counter
4.8 ree os
after more
than § seconds since the semi-
fixed
resistor
has been
finished
to turn.
Bearin;
ae e
Loosen the two capstan bearing holding screws.
Position
the voltmeter reads a maximum.
Tighten
the screws and apply lock paint to the
screws.
(See Fig. 3-1)
checking point
Specification:
voltmeter reading
maximum
capstan bearing
holding screw
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