Sony SLV-SE80 - 5 Interface, IC Pin Function; System Control - Video;Rp Block Interface (Ma-339 Board Ic162); System Control - Servo Peripheral Circuit Interface (Ma-339 Board Ic162)

5-1
5-1. SYSTEM CONTROL — VIDEO/RP BLOCK INTERFACE (MA-339 BOARD IC162)
*1 Synchronized with drum rotation. 25 Hz 50% duty pluse.
*2 Normally “L”. “H” when video signal is not generated.
*3 Composite sync signal (positive).
Signal
RF SWP
QVD
C SYNC
Pin No.
MA-339
IC162 !•
MA-339
IC162 !£
MA-339
IC162 %§
I/O
O
O
I
STOP/
FF/REW
*1
L
*3
TAPE
LOADING
*1
L
*3
TAPE
UNLOADING
*1
L
*3
PB
*1
*2
*3
REC
*1
L
*3
REC/PAUSE
*1
L
*3
5-2. SYSTEM CONTROL — SERVO PERIPHERAL CIRCUIT INTERFACE (MA-339 BOARD IC162)
*1. 25 Hz pulse.
*2. Pulse in period in proportion to tape speed.
*3. 25 Hz “H” pulse.
*4. 330 Hz pulse.
*5. Unstable period pulse.
*6. DC voltage 1 to 5V.
*7. Hi-Z (2.5 V)
Signal
CTL IN (+)
DRM PG
DRM FG
CAP FG
CAP RVS
CAP ERR
DRM ERR
Pin No.
MA-339
IC162 (∞
MA-339
IC162 (º
MA-339
IC162 *ª
MA-339
IC162 *¶
MA-339
IC162 @¢
MA-339
IC162 &§
MA-339
IC162 &¶
I/O
O
I
I
I
O
O
O
STOP
*7
*3
*4
H/L
H/L
L
*6
FF
*7
*3
*4
*2
L
*6
*6
REW
*7
*3
*4
*2
H
*6
*6
TAPE
LOADING
*7
*3
*4
*5
L
*6
*6
TAPE
UNLOADING
*7
*3
*4
*5
H
*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
SLV-SE35/SE50/SE60/SE70/SE80/SX60/SX70/SX80