5-1
SECTION 5
INTERFACE, IC PIN FUNCTION DESCRIPTION
SLV-SE100/SE200/SE250/SE300/SE400/SE450/SX100/SX250
5-1. SYSTEM CONTROL — VIDEO/RP BLOCK INTERFACE (MA-372 BOARD IC162)
Signal
RF SWP
QVD
C.V.IN
Pin No.
MA-372
IC162
qk
MA-372
IC162
qd
MA-372
IC162
th
I/O
O
O
I
STOP/
FF/REW
*1
L
*3
TAPE
LOADING
*1
L
*3
TAPE
UNLOADING
*1
L
*3
PB
*1
*2
*3
REC
*1
L
*3
REC/PAUSE
*1
L
*3
*1
Synchronized with drum rotation. 25 Hz 50% duty pluse.
*2
Normally “L”. “H” when video signal is not generated.
*3
Composite sync signal (positive).
5-2. SYSTEM CONTROL — SERVO PERIPHERAL CIRCUIT INTERFACE
(MA-372 BOARD IC162)
*1. 25 Hz pulse.
*2. Pulse in period in proportion to tape speed.
*3. 25 Hz “H” pulse.
*4. 330 Hz pulse.
*5. Unstable period pulse.
*6. DC voltage 1 to 5V.
*7. Hi-Z (2.5 V)
Signal
CTL +IN
DRUM PG
DRUM FG
CAP FG
CAP RVS
CAP ERR
DRUM ERR
Pin No.
MA-372
IC162
og
MA-372
IC162
o;
MA-372
IC162
il
MA-372
IC162
ij
MA-372
IC162
wf
MA-372
IC162
uh
MA-372
IC162
uj
I/O
I/O
I
I
I
O
O
O
STOP
*7
*3
*4
H/L
H/L
L
*6
FF
*7
*3
*4
*2
L
*6
*6
REW
*7
*3
*4
*2
H
*6
*6
TAPE
LOADING
*7
*3
*4
*5
L
*6
*6
TAPE
UNLOADING
*7
*3
*4
*5
H
*6
*6
PB
*7
*3
*4
*2
L
*6
*6
REC
*1
*3
*4
*2
L
*6
*6
Содержание SLV-SE100
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