5-2
5-4.
SYSTEM CONTR
OL — SYSTEM CONTR
OL PERIPHERAL CIRCUIT INTERF
A
CE (MA-318 BO
ARD IC161)
Signal
ASURA
RESET
ASURA
CS
S IN 0
S OUT 0
S CLK
Pin No.
$º
$¢
$∞
$§
$¶
I/O
I
I
I
O
I
I/O Le
vel
Normally “H”, “L” when service interruption is detected or restored.
Chip select signal from timer microprocessor
. V period
“L”
pulse.
Serial communication data fr
om timer micr
opr
ocessor
.
V period “ L”
pulse.
Serial communication data to timer micropr
ocessor
.
V period
“L”
pulse.
Serial communication clock fr
om timer micr
opr
ocessor
.
V period “L”
pulse.
5-5.
SYSTEM CONTR
OL — A
UDIO BLOCK INTERF
A
CE (MA-318 BO
ARD IC161)
*1.
30 Hz 50 % duty pulse approx. 5 msec delayed from RF SW P
.
5-3.
SYSTEM CONTR
A
CE (MA-318 BO
ARD IC161)
*1.
Uncertainly
.
*2.
“L” when erasing protection tab is bent. “H” when not bent.
*3.
P
ause of period in proportion to reel rotating speed.
*4.
Approx. 2 msec period “H” pulse.
*5.
Pulse at tape running.
*6.
Normally “L”. 2 msec period “H” pulse when tape top or tape end is detected.
Signal
CAM2
MODE 1 (*8)
MODE 2 (*8)
MODE 3 (*8)
MODE 4 (*8)
(IN REC PRF)
T REEL FG
S REEL FG
T/E LED
CAP ST
OP
CAP R
VS
T SENS
S SENS
Pin No.
9
@™
@¡
@º
!ª
!∞
^¢
^£
#™
#∞
&™
^¡
^™
I
*4
*4
*4
T
APE
THREADING
H
*1
*1
*1
*1
*2
H/L
*3
*4
H
L
*6
*6
T
APE
UNTHREADING
L
*1
*1
*1
*1
*2
H/L
*3
*4
H
H
*6
*6
ST
OP
*7
H
H
H
L
*2
H/L
H/L
*4
L
H/L
*6
*6
FF
*7
H
H
L
H
*2
*3
*3
*4
H
L
*6
*6
REW
*7
H
H
L
H
*2
*3
*3
*4
H
H
*6
*6
PB
*7
H
L
L
H
*2
*3
*3
*4
H
L
*6
*6
PB P
A
USE
*7
H
L
L
L
*2
H/L
H/L
*4
L
L
*6
*6
SLO
W
*7
H
L
L
L
*2
*3
*3
*4
*5
L/*5
*6
*6
x 2
*7
H
L
L
L
*2
*3
*3
*4
H
L
*6
*6
CUE
*7
H
L
L
L
*2
*3
*3
*4
H
L
*6
*6
REVIEW
*7
L
L
H
L
*2
*3
*3
*4
H
H
*6
*6
REC
*7
H
L
L
L
*2
*3
*3
*4
H
L
*6
*6
REC
PA
U
S
E
*7
H
L
L
L
*2
H/L
H/L
*4
L
L
*6
*6
*7.
When transition to UNLO
ADING direction : “L
”.
When transition to LO
ADING dir
ection : “H”.
When CAM MO
T
OR is stopped : Hi-Z.
*8.
When R
VS slo
w : Mode 1=”L
”
When R
VS slo
w : Mode 2=”L
”
When R
VS slo
w : Mode 3=”H”
When R
VS slo
w : Mode 4=”L
”
Signal
AF
ENV
A
MUTE
AF REC P
AF
SWP
FULL ERS
Pin No.
%ª
#¡
2
`⁄‚‚
#§
I/O
I
O (O.D)
O
O
O (O.D)
ST
OP/FF/
REW
L
L
*1
H
T
APE
LO
ADING
L
L
*1
H
T
APE
UNLO
ADING
L
L
*1
H
PB
*1
L
*1
H
PB P
A
USE
H
L
*1
H
SLO
W
H
L
*1
H
x 2
H
L
*1
H
CUE
H
L
*1
H
REVIEW
H
L
*1
H
REC
L
H
*1
L
REC P
A
USE
L
L
*1
H
AF RF en
v
elope signal input terminal for automatic tr
ac
king
.
www. xiaoyu163. com
QQ 376315150
9
9
2
8
9
4
2
9
8
TEL 13942296513
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
