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5-1
SLV-LX40/LX50/LX60S/LX70S
5-1. SYSTEM CONTROL — MECHANISM BLOCK INTERFACE
(MA-405 BOARD IC160)
*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-405 BOARD IC160)
*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)
Signal
CTL IN+
DRUM PG
DRUM FG
CAP FG
CAP RVS
CAP ERR
DRUM ERR
Pin No.
MA-405 Board
IC160 og
MA-405 Board
IC160 o;
MA-405 Board
IC160 il
MA-405 Board
IC160 ij
MA-405 Board
IC160 ef
MA-405 Board
IC160 uh
MA-405 Board
IC160
uj
I/O
O
I
I
I
O
O
O
TAPE
THREADING
*7
*3
*4
*5
L
*6
*6
TAPE
UNTEREADING
*7
*3
*4
*5
H
*6
*6
STOP
*7
*3
*4
H/L
H/L
L
*6
REW
*7
*3
*4
*2
H
*6
*6
FF
*7
*3
*4
*2
L
*6
*6
PB
*7
*3
*4
*2
L
*6
*6
REC
*1
*3
*4
*2
L
*6
*6
SECTION 5
INTERFACE, IC PIN FUNCTION DESCRIPTION
Signal
CAM
MODE 1
MODE 2
MODE 3
MODE 4
REC PRF
T REEL
S REEL
END LED
T SENS
S SENS
Pin No.
MA-405 Board
IC160 ed
MA-405 Board
IC160 wl
MA-405 Board
IC160 wk
MA-405 Board
IC160 wj
MA-405 Board
IC160 wh
MA-405 Board
IC160 e;
MA-405 Board
IC160 8
MA-405 Board
IC160 ul
MA-405 Board
IC160 w;
MA-405 Board
IC160 7
MA-405 Board
IC160
6
I/O
O
I
I
I
I
I
I
I
O
I
I
EJECTED
*5
—
—
—
—
L
H/L
H/L
L
*3
*3
CASSETTE
LOARDING
H
—
—
—
—
*1
H/L
H/L
*3
*3
*3
CASSETTE
UNLOARDING
L
—
—
—
—
*1
H/L
H/L
*3
*3
*3
TAPE
THREADING
H
—
—
—
—
*1
H/L
*2
*3
*4
*4
TAPE
UNTEREADING
L
—
—
—
—
*1
H/L
*2
*3
*4
*4
STOP
*5
H
L
H
H
*1
H/L
H/L
*3
*4
*4
REW
*5
H
L
H
L
*1
*2
*2
*3
*4
*4
FF
*5
H
L
H
L
*1
*2
*2
*3
*4
*4
PB
*5
H
H
L
L
*1
*2
*2
*3
*4
*4
REC
*5
H
H
L
L
*1
*2
*2
*3
*4
*4