System Control-Audio Block Interface (Ma-402 Board Ic101) - Sony SLV-EX50 Service Manual

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5-4. SYSTEM CONTROL – AUDIO BLOCK INTERFACE (MA-402 BOARD IC101)
I/O
Signal Pin No.
MA-402
AU RF O
IC101
35
O
MA-402
A MUTE
(O.D)
IC101 89
MA-402
AF SWP O
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.
T E
L 1 3 9 4 2 2 9 6 5 1 3
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STOP/ TAPE TAPE
PB •
FF/ THREAD- UNTHREAD- PB
PAUSE
REW ING ING
AF RF envelope signal input terminal for automatic tracking.
Hi-Z Hi-Z Hi-Z Hi-Z H
*1 *1 *1 *1 *1
H H H H H
L L L L L
L L L L L
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y
i
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8
SLOW x 2 CUE REVIEW REC
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
Q Q
3 7 6 3 1
u 1 6 3
.
2 4
9 9 8
REC •
PAUSE
H
*1
H
L
L
5 1 5 0 8 9 2 4 9
m
c o
2
9 9
8 2 9 9