Sony RMT-V259, Service Manual

Page: 63 / 93

5-1
SECTION 5
INTERFACE, IC PIN FUNCTION DESCRIPTION
SLV-SE350/SE500/SE600/SE650/SE700/SE800/SX600/SX700/SX800
TAPE
TAPE
Signal
Pin No.
I/O
STOP
FF
REW
LOADING
UNLOADING
PB
REC
CTL IN+
MA-373
I/O
*
7
*
7
*
7
*
7
*
7
*
7
*
1
IC162
og
DRUM PG
MA-373
I
*
3
*
3
*
3
*
3
*
3
*
3
*
3
IC162
o;
DRUM FG
MA-373
I
*
4
*
4
*
4
*
4
*
4
*
4
*
4
IC162
il
CAP FG
MA-373
I
H/L
*
2
*
2
*
5
*
5
*
2
*
2
IC162
ij
CAP RVS
MA-373
O
H/L
L
H
L
H
L
L
IC162
wf
CAP ERR
MA-373
OL
*
6
*
6
*
6
*
6
*
6
*
6
IC162
uh
DRUM ERR
MA-373
O
*
6
*
6
*
6
*
6
*
6
*
6
*
6
IC162
uj
STOP/
TAPE
TAPE
REC •
Signal
Pin No.
I/O
FF/
LOADING
UNLOADING
PB
REC
PAUSE
REW
RF SWP
MA-373
O
*
1
*
1
*
1
*
1
*
1
*
1
IC162
qk
QVD
MA-373
OL
L
L
*
2L
L
IC162
qd
C V IN
MA-373
I
*
3
*
3
*
3
*
3
*
3
*
3
IC162
th
5-1.
SYSTEM CONTR
OL –
VIDEO BLOCK INTERF
A
CE (MA-373 BO
ARD IC162)
∗
1.
25 Hz pulse with 50% duty cycle
. Synchroniz
ed with rotation of dr
um.
∗
2.
Nor
mally
“L
”.
“H”
when video signal is not gener
ated.
∗
3.
Composite sync signal (positiv
e polar
ity).
5-2.
SYSTEM CONTR
OL – SER
V
O
PERIPHERAL CIRCUIT INTERF
A
CE (MA-373 BO
ARD IC162)
∗
1.
25 Hz pulse
.
∗
2.
Pulse of period in propor
tion to tape speed.
∗
3.
25 Hz
“H”
pulse
.
∗
4.
330 Hz pulse
.
∗
5.
Unstab
le per
iod pulse
.
∗
6.
DC v
o
ltage 1 to 5V
∗
7.
Hi-Z (2.5V)