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SLV-LX80S
5-1. SYSTEM CONTROL — MECHANISM BLOCK INTERFACE
(MA-397 BOARD IC160)
Signal
Pin No.
MA-397 Board
CAM
IC160ed
MA-397 Board
MODE 1
IC160wl
MA-397 Board
MODE 2
IC160wk
MA-397 Board
MODE 3
IC160wj
MA-397 Board
MODE 4
IC160wh
MA-397 Board
REC PRF
IC160e;
MA-397 Board
T REEL
IC160i;
MA-397 Board
S REEL
IC160ul
MA-397 Board
END LED
IC160w;
MA-397 Board
T SENS
IC1607
MA-397 Board
S SENS
IC1606
*1 "L" When erasing protection tab is bent. "H" when not bent.
*2 Pulse of period in proportion to reel rotating speed.
*3 Approx. 2 msec period "H" pluse when tape top or end is detected.
*4 Normally "L". 2 msec period "H" puise when tape top or end is detected.
*5 Hi-Z
5-2. SYSTEM CONTROL — SERVO PERIPHERAL CIRCUIT INTERFACE
(MA-397 BOARD IC160)
Signal
Pin No.
MA-397 Board
CTL IN+
IC160og
MA-397 Board
DRUM PG
IC160o;
MA-397 Board
DRUM FG
IC160il
MA-397 Board
CAP FG
IC160ij
MA-397 Board
CAP RVS
IC160ef
MA-397 Board
CAP ERR
IC160uh
MA-397 Board
DRUM ERR
IC160uj
*1. 30Hz pulse.
*2. Pulse of period in propotion to tape speed.
*3. 30Hz "H" pluse.
*4. 720 Hz pulse.
*5. Unstable period pulse.
*6. DC voltage 1 – 5V.
*7. Hi-Z (2.5V)
SECTION 5
INTERFACE, IC PIN FUNCTION DESCRIPTION
CASSETTE
CASSETTE
I/O
EJECTED
LOARDING
UNLOARDING
O
*5
H
I
—
—
I
—
—
I
—
—
I
—
—
I
L
*1
I
H/L
H/L
I
H/L
H/L
O
L
*3
I
*3
*3
I
*3
*3
STOP
FF
REW
I/O
THREADING
O
*7
*7
*7
I
*3
*3
*3
I
*4
*4
*4
I
H/L
*2
*2
O
H/L
L
H
O
L
*6
*6
O
*6
*6
*6
TAPE
TAPE
THREADING
UNTEREADING
L
H
L
—
—
—
—
—
—
—
—
—
—
—
—
*1
*1
*1
H/L
H/L
H/L
H/L
*2
*2
*3
*3
*3
*3
*4
*4
*3
*4
*4
TAPE
TAPE
PB
UNTEREADING
*7
*7
*7
*3
*3
*3
*4
*4
*4
*5
*5
*2
L
H
L
*6
*6
*6
*6
*6
*6
5-1
STOP
FF
REW
PB
*5
*5
*5
*5
H
H
H
H
L
L
L
H
H
H
H
L
H
L
L
L
*1
*1
*1
*1
H/L
*2
*2
*2
H/L
*2
*2
*2
*3
*3
*3
*3
*4
*4
*4
*4
*4
*4
*4
*4
REC
*1
*3
*4
*2
L
*6
*6
REC
*5
H
H
L
L
*1
*2
*2
*3
*4
*4
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