Sony HCD-VX77 Service Manual page 55

Compact disc deck receiver
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Pin No.
Pin Name
51
N.C
52
N.C
53
N.C
54
N.C
55
N.C
56
N.C
57
A TRIG
58
B TRIG
59
CAPM-H/L
60
CAPM-CONT
61
N.C
62
VCC
63
N.C
64
VSS
65
N.C
66
N.C
67
A HALF
68
A PLAY
69
B PLAY
70
AMS-IN
71
TC-MUTE
72
R/PB/PAS
73
NR-ON/OFF
74
REC-MUTE
75
BAIS
76
EQ-H/N
77
PB-A/B
78
ALC
79
TC-RELAY
80
N.C
81
STBY-RELAY
82
PROTECT
83
DBFB-ON/OFF
84
LINE-MUTE
85
CD-POWER
86
F-SHIFT
87
RELAY-H
88
POWER
89
N.C
90
A SHUT
91
B SHUT
92
SOFT-TEST
93
B HALF
94
KEY/CD ADJ
95
MODEL-IN
96
AVSS
97
SPEC-IN
98
VREF
99
AVCC
100
STK-MUTE
I/O
I
Not used.
I
Not used.
I
Not used.
I
Not used.
I
Not used.
I
Not used.
O
A deck trigger control signal output.H=ON, L-OFF
O
B deck trigger control signal output.H=ON, L-OFF
O
Capstan motor High/Low speed control signal output.
O
Capstan motor REV/FWD/STOP control signal output.H=REV, L=FWD/STOP
I
Not used.
POWER SUPPLY (+5V)
I
Not used.
Ground.
I
Not used.
I
Not used.
I
A deck half detect signal input.
I
A deck play detect signal input.
I
B deck play detect signal input.
I
AMS signal input. L=ON,H=OFF
O
Tape deck line mute ON/OFF signal output. H=ON, L=OFF
I
REC/PB/PASS select signal input.
O
DOLBY NR ON/OFF signal output. H=ON, L=OFF
O
REC mute ON/OFF signal output. L=ON, H=OFF
O
BIAS ON/OFF signal output.H=ON, L=OFF
O
EQ High/Normal select signal output. H=High, L=Normal
O
Playback deckA/B select signal output. H=deckB, L=deckA
O
ALC ON/OFF signal output. L=ON, H=OFF
O
Tape deck relay ON/OFF signal output. H=ON, L=OFF
I
Not used.
O
STANDBY relay control signal output.
I
Speaker protect signal input. L=ON, H=OFF
I
Not used.
O
Line mute signal output. L=ON, H=OFF
O
CD-POWER ON/OFF signal output. H=ON, L=OFF
O
Not used.
O
Speaker terminal relay control signal output. H=ON, L=OFF
O
POWER ON/OFF signal output. H=ON, L=OFF
O
Not used.
O
A deck reel pulse detect signal output.
O
B deck reel pulse detect signal output.
O
Not used.
O
B deck half detect signal input.
O
KEY (for jig) / CD adjust.
I
MODEL input.
Analog ground.
I
Version select signal input.
Analog Reference Voltage
Analog Power Supply
O
Power amplifier mute ON/OFF signal output. H=ON, L=OFF
Description
55

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