SLV-LX80S
5-1
5-1. SYSTEM CONTROL — MECHANISM BLOCK INTERFACE
(MA-397 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
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-397 Board
IC160
ed
MA-397 Board
IC160
wl
MA-397 Board
IC160
wk
MA-397 Board
IC160
wj
MA-397 Board
IC160
wh
MA-397 Board
IC160
e;
MA-397 Board
IC160
i;
MA-397 Board
IC160
ul
MA-397 Board
IC160
w;
MA-397 Board
IC160
7
MA-397 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
5-2. SYSTEM CONTROL — SERVO PERIPHERAL CIRCUIT INTERFACE
(MA-397 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-397 Board
IC160
og
MA-397 Board
IC160
o;
MA-397 Board
IC160
il
MA-397 Board
IC160
ij
MA-397 Board
IC160
ef
MA-397 Board
IC160
uh
MA-397 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
Summary of Contents for SLV-LX80S
Page 28: ...SLV LX80S 3 1 3 2 SECTION 3 BLOCK DIAGRAMS 3 1 OVERALL BLOCK DIAGRAM ...
Page 30: ...SLV LX80S 3 3 SERVO SYSTEM CONTROL BLOCK DIAGRAM 90 89 87 95 79 80 39 36 43 3 5 3 6 ...
Page 31: ...SLV LX80S 3 4 TUNER BLOCK DIAGRAM 3 7 3 8 ...
Page 33: ...SLV LX80S 3 6 POWER BLOCK DIAGRAM CHILEAN MEXICAN 3 11 3 12E ...