– 8 –
Pin No.
Pin Name
I/O
Function
47
FWD
O
Control output to FWD (
·
) LED (D851)
48
—
—
49
—
—
50
—
—
51
—
—
52
—
—
53
—
—
54
—
—
55
—
—
56
—
—
Not used (Open)
57
—
—
58
—
—
59
—
—
60
—
—
61
—
—
62
—
—
63
—
—
64
—
—
65
TYPE I
O
Tape type output
“H”: Normal position
66
TYPE II
O
Tape type output
“H”: High position
67
(TYPE IV)
O
68
—
—
Not used (Fixed at “L”)
69
—
—
70
—
—
71
SOLENOIDE
O
Plunger (PM901) drive output
“H”: On
72
CAP.MOTOR
O
Capstan/reel motor (M902) drive output
“H”: On
73
VCC
—
Power supply (+5V)
74
VEE
—
Ground
75
AVSS
—
Ground for A/D converter
76
VREF
—
Reference voltage (+5V) for A/D converter
77
HALF
I
Cassette half detection input from S905
78
AMS IN
I
AMS input
79
LIMIT SW
I
Loading detection input from S901
Open: “L”, Close: “M”, COM: “H”
80
PULSE
I
Rotary detection input from PH901
Voltage
Input port
0 V
0.45 V
1.19 V
2.19 V
3.2 V
3.98 V
4.48 V
5.0 V
Pin
4
, KEY-X
Open/Close
STOP
PAUSE
FWD
REV
CD
—
Not key input
§
π
∏
·
ª
SYNC
Pin
3
, KEY-Y
POWER
REW
FF
REC
DIRECTION
—
—
DIRECTION
ON/OFF
0
)
r
A
a
*
1 Key Input
*
2 Loading Motor
IN
OUT
CLOSE
!£
H
L
OPEN
!¢
L
H