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Pin No.
Pin Name
I/O
40
MAIN M CONT
O
Main motor control output
41
SUB M CONT 1
O
Sub motor control output-1.
42
SUB M CONT 2
O
Sub motor control output-2.
43
MODE PL
I
Mode pulse input for tape mechanism.
44
REEL
I
Reel pulse input for tape mechanism.
45
STAND-BY
I
Mechanism Stand-by input
46
F/R HEAD
O
Head FWD/REV select output.
47
MS IN
I
MS signal input (no music: "H", with music: "L"). Pulled when not used
48
LED
O
Security LED flashing output ("H": 120-130 ns, 1 cycle: 3 s)
49
MI-1
50
MI-2
I
Diode matrix input for initial setting
51
MI-3
52
MO-1
53
MO-2
O
Diode matrix output for initial setting
54
MO-3
55
MO-4
56
BS CONT
O
MS/BL switching output. Open when not used
57
NR CONT
O
Dolby B NR on/off output. Open when not used
58
MTL CONT
O
Metal tape on/off output. Open when not used
59
BEEP
O
Beep output (3 kHz, 50 ms)
60
RMT IN
I
Remote control input. Pulled up when not used
61
E-VOL CE
O
CE output to electronic VR (LC75374E)
62
E-VOL DO
O
Data output to electronic VR (LC75374E)
63
E-VOL CLO
O
Clock output to electronic VR (LC75374E)
64
DSSA
O
Outputs "H" only when DSSA L/R are operating.
65
RDS DI
I
RDS data inputPulled down when not used.
66
DFP IN
I
Detects whether DFP (front panel) is provided or not.
67
FLAP IN
I
Detects whether flap DFP is open or closed.
68
RDS CLI
I
RDS clock inputPulled down when not used
69
EJECT IN
I
NC (pulled down)
70
ACC IN
I
ACC (accessory power supply) on/off input
71
RE1 IN
I
Rotary encoder input 1.
72
RE2 IN
I
Rotary encoder input 2.
73
PACK IN
I
Tape insertion status detection input
74
REG CPU
–
CPU power regulator
75
GND
–
Ground
76
X-OUT
–
System clock oscillator
77
X-IN
I
System clock oscillator
78
REG OSC
–
Regulator for oscillator circuit
79
VDD
–
Power supply
80
RESET
I
System reset input
Description
17
LCD DISPLAY
18
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