Pin No.
Pin name
I/O
Description
41
CDG MUTE
–
Not used. (Open)
42
REQ GM
I
Data transmission request input from system control.
43
MREQ
O
Not used. (+5V)
44
CLK MG
O
Clock output for communications with system control.
45
D. GM
I
Serial data input from system control.
46
D. MG
O
Serial data output to system control.
47
RDY
I/O
System control Ready signal input / output.
“L” : READY
48
VAREF
–
Power supply. (+5V)
49
VASS
–
Ground
50
V
SS
–
Ground
51
V
DD
–
Power supply. (+5V)
52
URGENT. SIG
I
Not used. (+5V)
53
URGENT. STBY
I
Not used. (Open)
–––
54
BUG Y/N
–
Not used. (Ground Connected)
55
ADJUSTOR
–
Not used. (“H” LEVEL)
56
ADJUST2
–
Not used. (“H” LEVEL)
57
MAGIC SPEED
–
Not used. (“H” LEVEL)
58
SPEC
I
Not used. (“H” LEVEL)
59
DIST
I
Model Select input . (A/D Converter)
60
SPEED
–
Not used. (“H” LEVEL)
61
BREAK
–
Not used. (“H” LEVEL)
62
B-PLAY
I
Deck-B PLAY Switch input.
“H” : PLAY
63
B-SHUT
I
Deck-B Reel table signal input.
64
B-HALF
I
Deck-B Record prevention claw A, B detection input.
65
A-SHUT
I
Deck-A Reel table signal input.
66
A-PLAY
I
Deck-A PLAY Switch input.
“H” : PLAY
67
A-HALF
I
Deck-A HALF SW input.
68
CAPM H/L
O
Capstan motor speed selector.
“H” : Normal speed
“L” : High speed
69
CAPM ON/OFF
O
Capstan motor ON/OFF.
“L” : ON
70
TRIG H/L
O
––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
O
Trigger motor control output.
––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––
O
O
Control output to REC/PB select switch. (IC602)
O
Dolby IC PB input Deck A/B select output.
“L” : A, “H” : B
O
EQ Select switch output for normal / high speed.
“H” : High speed
O
BIAS Oscillation ON/OFF control.
“H” : ON
O
REC Mute output.
“L” : MUTE
O
DOLBY IC REC/PLAY Select output.
“H” : REC
O
DOLBY ON/OFF Control output.
“H” : ON
80
LM
O
LINE Mute output.
“L” : MUTE
81
PASS
O
PASS Amplifier switch output to DOLBY IC. (IC401)
82
CMD2
–
Not used. (Open)
83
UP MOTOR
–
Not used. (Open)
84
DOWN MOTOR
–
Not used. (Open)
85
TABLE R
–
Not used. (Open)
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