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SECTION 6
INTERFACE, IC PIN FUNCTION DESCRIPTION
SLV-E160EE/E290EE/E290EG/E410AP/E410CP
E410EE/E410EX/E410IT/E410UX/E410VP
6-1
6-1. SYSTEM CONTROL — MECHANISM BLOCK INTERFACE (MA-249 board IC501)
Signal
Pin No.
I/O
EJECTED
CASSETTE
CASSETTE
TAPE
TAPE
STOP
FF
REW
PB
REC
LOADING
UNLOADING THREADING UNTHREADING
CAM 2
MA-249 Board
O
*5
H
L
H
L
*5
*5
*5
*5
*5
IC501 #1
CAM 1
MA-249 Board
O
*5
*5
*5
*5
*5
*5
*5
*5
*5
*5
IC501 #2
MODE 1
MA-249 Board
I
—
—
—
—
—
H
H
H
H
H
IC501 #0
MODE 2
MA-249 Board
I
—
—
—
—
—
L
L
L
H
H
IC501 @9
MODE 3
MA-249 Board
I
—
—
—
—
—
H
H
H
L
L
IC501 @8
MODE 4
MA-249 Board
I
—
—
—
—
—
H
L
L
L
L
IC501 @7
REC PRF
MA-249 Board
I
L
*1
*1
*1
*1
*1
*1
*1
*1
*1
IC501 $4
T REEL FG
MA-249 Board
I
H/L
H/L
H/L
H/L
H/L
H/L
*2
*2
*2
*2
IC501 #4
S REEL FG
MA-249 Board
I
H/L
H/L
H/L
*2
*2
H/L
*2
*2
*2
*2
IC501 #3
END LED
MA-249 Board
O
L
*3
*3
*3
*3
*3
*3
*3
*3
*3
IC501 $5
T SENS
MA-249 Board
I
*3
*3
*3
*4
*4
*4
*4
*4
*4
*4
IC501 (0
S SENS
MA-249 Board
I
*3
*3
*3
*4
*4
*4
*4
*4
*4
*4
IC501 *9
*1.
“H” when erasing protection tab is bent. "L" when not bent.
*2.
Pulse of period in proportion to reel rotating speed.
*3.
Approx. 2 msec period “H” pulse.
*4.
Normally “L”. 2 msec period “H” pulse when tape top or tape end is detected.
*5.
Hi-Z
6-2. SYSTEM CONTROL — SERVO PERIPHERAL CIRCUIT INTERFACE
(MA-249 board IC501)
Signal
Pin No.
I/O
STOP
FF
REW
TAPE
TAPE
PB
REC
THREADING UNTHREADING
REC CTL
MA-249 Board
O
*8
*8
*8
*8
*8
*8
*1
IC501 @1
PB CTL
MA-249 Board
I
H
*2
*2
—
—
*1
*1
IC501 @5
DRUM PG
MA-249 Board
I
*3
*3
*3
*3
*3
*3
*3
IC501 @3
DRUM FG
MA-249 Board
I
*4
*4
*4
*4
*4
*4
*4
IC501 @4
CAP FG
MA-249 Board
I
H/L
*5
*5
*6
*6
*5
*5
IC501 (7
CAP RVS
MA-249 Board
O
H/L
L
H
L
H
L
L
IC501 !7
CAP ERR
MA-249 Board
O
L
*7
*7
*7
*7
*7
*7
IC501 r
DRUM ERR
MA-249 Board
O
*7
*7
*7
*7
*7
*7
*7
IC501 e
SLOW CONT
MA-249 Board
O
*9
*9
*9
*9
*9
*9
*9
IC501 !6
*1.
25Hz pulse.
*2.
Pulse of period in proportion to tape speed.
*3.
25Hz “H” pulse.
*4.
300Hz pulse.
*5.
Pulse of period in proportion to tape speed.
*6.
Unstable period pulse.
*7.
DC voltage 1 ~ 5V.
*8.
Hi-Z (2.5V).
*9.
“L” during forward slow, “H” during reverse slow. “Hi-Z” in other
modes.
modes.
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