TI
20
Deactivation of
the
·
relay
(cassette
to
stop running)
Lr
\
QA-u
\
Activation of
the
relay
(cassette to
start
runn
i
ng)
~Startup
of the cassette operation
~
Termination of the cassette operation
Sl4----i--~~~~~~~~~__.r--
The TC 4528P
is
a
mono-stable multivibrator which can perform trigger operation and reset
operation and two circuits are contained in the same chip.
"
A" outputs
a
pulse which
is
dependable on the time constant of CR at the falling edge of the input
signal
,
and "B" outputs
a
pulse which
is
dependable on the time constant of CR at the rising edge of
the input signal. The relay operates
ON
and OFF according to the current flow to the
coil
,
and it
is
activated when "A"
is
active and deactivated when "B"
is
active.
NR-5711
-----..,
5
ru_
I
L------~
0.0
4.:7
PF
4
70Kn
100
2
Kn
4
Ain
Q
6
2
SA733
MT
A
REMOTO
5
Bin
QA
7
74'
W
(Sl4
)
TC452
8
BP
33
n
3
0
.
047
µF
VGG
100
8
1
4
Kn
8
in
QB
10
2
SA7
33
83
B
GND
11
Bin
QB
9
1
4w
TC45
2
8BP
3
30
13
The CEl
21
will control the REMOTE terminal in automatic manner against the record, playback
and check commands.
5-3. Remote control
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