5-1
5-1. SYSTEM CONTROL — VIDEO/RP BLOCK INTERFACE (MA-338 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-338
IC162
!•
MA-338
IC162
!£
MA-338
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-338 BOARD IC162)
Signal
CTL IN (+)
DRM PG
DRM FG
CAP FG
Pin No.
MA-338
IC162
(∞
MA-338
IC162
(º
MA-338
IC162
*ª
MA-338
IC162
*¶
I/O
O
I
I
I
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
INTERF
A
CE,
IC PIN FUNCTION DESCRIPTION
SL
V
-SE10/SE20/SE25/SE30/SE40/SE45/SX10/SX25/SX40
www . x ia o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L 1 3 9 4 2 2 9 6 5 1 3
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