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TCM-1000A
P.E.A (Pre-end alarm) Clock Frequency Adjustment
Setting:
Supply of power voltage: 2 V
Procedure:
1. Connect
a frequency
counter
as shown
in the
figure.
[MAIN
BOARD]
frequency counter
. Put
into
the
record
mode
and
adjust
RV201
so
that the reading on the frequency counter at about
the end of the tape is 960 — 1,000 Hz.
Standerd tape: 60
min.
tape (CS-121
or equiva-
lent.)
. If the adjustment control does not have enough
range, change the connections of the patterns
(A) :
and re-do the adjustment.
. Confirm
if the
tape
automatically
reverses
the
direction at within 2 +1 min. from the end of the
tape.
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