5-3
Signal
AU RF
A MUTE
AF SWP
FULL ERASE
REC P
NAPB
Pin No.
MA-402
IC101
35
MA-402
IC101
89
MA-402
IC101
106
MA-402
IC101
71
MA-402
IC101
72
MA-402
IC101
96
O
(O.D)
TAPE
THREAD-
ING
TAPE
UNTHREAD-
ING
PB
SLOW
x 2
CUE
REVIEW
REC
Hi-Z
*1
H
L
L
I/O
O
O
O
O
Hi-Z
*1
H
L
L
Hi-Z
*1
H
L
L
5-4.
SYSTEM CONTROL – AUDIO BLOCK INTERFACE (MA-402 BOARD IC101)
*1. 25Hz (PAL), 30Hz (NTSC) 50% duty pulse approx. 5 msec delayed from RF SW P.
O
(O.D)
STOP/
FF/
REW
PB •
PAUSE
REC •
PAUSE
Hi-Z
*1
H
L
L
H
*1
H
L
L
H
*1
H
L
L
H
*1
H
L
L
H
*1
H
L
L
H
*1
H
L
L
H
*1
L
H
H
H
*1
H
L
L
AF RF envelope signal input terminal for automatic tracking.