Werbung
Verfügbare Sprachen
Verfügbare Sprachen
2.
Behavior
1-3. System control inputs
2-1. Mode select button inputs
These
inputs
carry
the information
about
the state
of the
loaded
cassette,
tape
and
each
mechanism
that is essential for control of various VTR functions.
5 input ports are provided for accepting them.
These ports are high in potential when the correspond-
ing input sources act.
PAUSE/STILL 4
REC q
AUDIO DUB REC 4
FF
4
Mode select
PLAY 4
button inputs
Input port
System control
Function
(Pin no. of the
input source
TMS1024)
LOADING __ Detecting the completion | Pin (9)of 1804
SWITCH
of loading (This switch
continues to deliver
outputs after the comple-
tion of loading.)
coy
Sea
UNLOADING | Detecting
the completion Pin 20)of 1804
stop 4
Rew
q
EsEcT4
REG 9V
SWITCH
of unloading (This switch
continues to deliver
outputs after the comple-
tion of unloading.)
Figure 12.
CASSETTE [Detecting that the cassette 'Pin (4)of 1804
2-2. Sensor inputs
HOUSING
compartment is shut.
(@) END/START sensor inputs
Detecting the failure of the
cassette lamp.
_.
END
REC-CHIP
Detecting the absence of
SENSOR
SWITCH
cassette erase protection
tabs
REMOTE
Detecting the depression of | Pin (12) of 1804
PAUSE
the PAUSE button on the
BUTTON
TV camera.
START SENSOR
input
Figure 13.
END/START
Q801, Q802
sensor input
port
END/START | Q801, Q802
sensor
(B)
END sensor
In normal state
OFF
HIGH
OFF
LOW
When tape reaches its end
— trailer part.
START sensor
In normal state
HIGH
LOW
ON
LOW
ON
HIGH
When tape reaches its
16
Werbung
