Sony RMT-V259, Service Manual

Page: 64 / 93

5-2
CASSETTE
CASSETTE
TAPE
TAPE
Signal
Pin No.
I/O
EJECTED
LOADING
UNLOADING
THREAD-
UNTHREAD-
STOP
FF
REW
PB
REC
ING
ING
CAM
MA-373
O
M
H/M
L
/M
H/M
L
/M
M
M
M
M
M
IC162
ed
MODE 1
MA-373
IH
––
L
L
HH
HH
H
IC162
wl
MODE 2
MA-373
IH
––
LL
H
H
H
L
L
IC162
wk
MODE 3
MA-373
IL
––
HH
H
L
L
L
L
IC162
wj
MODE 4
MA-373
IL
––
HH
L
H
H
L
L
IC162
wh
REC PRF
MA-373
IL
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
*
1
IC162
e;
T REEL
MA-373
I
H/L
H/L
H/L
H/L
H/L
H/L
*
2
*
2
*
2
*
2
IC162
i;
S REEL
MA-373
I
H/L
H/L
H/L
*
2
*
2
H/L
*
2
*
2
*
2
*
2
IC162
ul
END LED
MA-373
OL
L
L
*
3
*
3
*
3
*
3
*
3
*
3
*
3
IC162
w;
T SENS
MA-373
I
*
3
*
3
*
3
*
4
*
4
*
4
*
4
*
4
*
4
*
4
IC162
7
S SENS
MA-373
I
*
3
*
3
*
3
*
4
*
4
*
4
*
4
*
4
*
4
*
4
IC162
6
5-3.
SYSTEM CONTR
OL
–
MECHANISM BLOCK INTERF
A
CE (MA-373 BO
ARD IC162)
∗
1.
“L
” when er
asing protection tab is bent.
“
H
” when not bent.
∗
2.
Pulse of period in propor
tion to reel rotating speed.
∗
3.
Appro
x
. 2 msec per
iod
“H
” pulse
.
∗
4.
Nor
mally
“L
”.
2 msec per
iod
“H
” pulse when tape top or tape end is detected.