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5-4.
SYSTEM CONTROL – AUDIO BLOCK INTERFACE (MA-402 BOARD IC101)
STOP/
FF/
I/O
Signal
Pin No.
REW
MA-402
AU RF
O
AF RF envelope signal input terminal for automatic tracking.
IC101
35
MA-402
O
A MUTE
Hi-Z
(O.D)
IC101
89
MA-402
AF SWP
O
*1
IC101
106
MA-402
O
FULL ERASE
IC101
71
(O.D)
MA-402
REC P
O
IC101
72
MA-402
NAPB
O
IC101
96
*1. 25Hz (PAL), 30Hz (NTSC) 50% duty pulse approx. 5 msec delayed from RF SW P.
TAPE
TAPE
PB •
THREAD-
UNTHREAD-
PB
PAUSE
ING
ING
Hi-Z
Hi-Z
Hi-Z
H
*1
*1
*1
*1
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
REC •
SLOW
x 2
CUE
REVIEW
REC
PAUSE
H
H
H
H
H
*1
*1
*1
*1
*1
H
H
H
H
L
L
L
L
L
H
L
L
L
L
H
H
*1
H
L
L
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