![background image](http://html.mh-extra.com/html/sony/hcd-dr8av/hcd-dr8av_service-manual_420623063.webp)
— 105 —
Pin No.
Pin Name
I/O
Function
51
TUNED
I
Tuned detection for tuner
52
ST-CE
O
Tuner chip enable output
53
ST-DOUT
O
Tuner data output
54
ST-DIN
I
Tuner data input
55
ST-CLK
O
Tuner clock output
56
SENS
I
BD Condition signal input
57
HOLD
O
MODE signal output
58
XLT
O
CD latch signal output
59
XRST
O
CD reset signal output
60
DISC-SENS
I
Slit sensor of disc table input (Connected to ground)
61
T-SENS
I
CD table detection signal input
62
VDD
—
Power supply (+5V)
63
TBL-L
O
Table motor control output
64
VSS
I
Ground
65
TBL-R
O
Table motor control output
66
LOAD-OUT
O
Loading motor control signal output (Not used)
67
LOAD-IN
O
Loading motor control signal input (Not used)
68
ENC 3/UP-SW
I
Disc tray UP signal input.
69
ENC 2/DISC-LED
I
Disc LED signal output
70
ENC 1
I
(Connected to ground)
71
OUT-OPEN
O
(Connected to ground) Loading out detection signal output
72
B-TRG
O
B deck trigger motor control output
73
A-TRG
O
A deck trigger motor control output
74
CAP-M-COT2
O
Capstan motor REW/FWD/STOP signal output
75
CAP-M-COT1
O
Capstan motor REW/FWD/STOP signal output
76
CAP-M-H/L
O
Capstan motor High/Low speed select signal output
77
AMS-IN
I
AMS signal input
78
TC-MUTE
O
TC line mute ON/OFF selection output
79
R/PB/PAS
O
REC/PB/PASS selection output
80
NR-ON/OFF
O
DOLBY NR ON/OFF signal output
81
REC-MUTE
O
REC mute ON/OFF selection output
82
BIAS
O
Bias ON/OFF signal output
83
EQ-H/N
O
Equalizer High/Normal select output
84
PB-A/B
O
PB A deck/B deck select output
85
ALC
O
ALC ON/OFF output signal
86
B-PLAY-SW
I
B deck play detect
87
A-PLAY-SW
I
A deck play detect
88
A-HALF
I
A Deck half detector signal input
89
B-HALF
I
B Deck half detector signal input
90
B-SHUT
I
B Deck reel pulse detector
91
A-SHUT
I
A Deck reel pulse detector
92
SOFT-TEST
O
Software test port (Not used)
93
HP-MUTE
O
Head phone mute signal output
94
KEY/CD-ADJ
I
KEY (use the jig)/CD adjust point port
95
MODEL IN
I
MODEL input
96
AVSS
—
Analog ground
97
SPEC-IN
I
Specifications input
98
VREF
I
Analog reference voltage input
99
AVCC
—
Analog power supply (+5V)
100
TC-RELAY
O
REC/PB head selection output for IC602
Summary of Contents for HCD-DR8AV
Page 7: ... 7 This section is extracted from instruction manual ...
Page 50: ...HCD DR8AV W900AV 81 82 7 25 SCHEMATIC DIAGRAM CD PANEL SECTION Page 78 Page 43 Page 77 78 16 ...
Page 52: ...HCD DR8AV W900AV 85 86 7 27 SCHEMATIC DIAGRAM CD MOTOR SECTION Page 48 16 ...
Page 54: ...HCD DR8AV W900AV 89 90 7 29 SCHEMATIC DIAGRAM JACK SECTION Page 57 65 Page 52 16 ...
Page 91: ... 133 HCD DR8AV W900AV MEMO ...