Read Sony HCD-GN88D / MHC-GN88D Service Manual online
77
HCD-GN88D
Pin Name
Pin No.
I/O
Discription
51
REC-MUTE
O
REC mute signal output
52
TC-MUTE
O
TC line mute signal output
53
PB-A/B
O
TC A/B select signal output
–––––––––––
54
ALC
O
ALC signal output
55
TC-RELAY
O
TC relay control signal output
56
REC BIAS
O
TC REC bias on/off signal output
57
CAPM-CONT
O
Capstan motor REV/FWD/STOP control signal output
58
B-TRG
O
TCM-B Trigger output
59
A-TRG
O
TCM-A trigger output
60
B-REC-REV
I
Record tab switch for SIDE-B signal input
61
B-PLAY
I
TCM-B play switch input
62
VCC
—
Power supply (+3.3V)
–––––––––––––––––
63
AMS-IN
I
AMS signal input
64
VSS
—
Ground
–––
65
EQ-H/N
O
EQ high/Normal signal output
66
A-REC-FWD
I
Record tab switch for SIDE-A signal input
67
A-HALF
I
A deck half detection signal input
68
SPEANA ATTN
O
Speana audio level control signal output
69
A-PLAY
I
TCM-A play switch input
70
SW RELAY
O
SW relay drive signal output
71
MIC DETECT
I
MIC detect signal input
–––––––––––––––––
72
VACE IN
I
VACE control signal input
73
DISPLAY-KEY
I
Display key signal input
74
POWER-KEY
I
Power key signal input
75
STK-MUTE
O
Mute signal output to power IC
––––––––––––––––––––
76
HP-MUTE
O
Headphone mute signal output
77
LINE-MUTE
O
TA LINE mute signal output
––––––––––––––––––––––––––––
78
PROTECTOR
I
Speaker protection signal input
79
AUDIO-DATA
O
Audio input select data output
80
AUDIO-CLK
O
Audio input select clock output
81
VIDEO OUT
O
Video out select signal output
82
AUDIO-OUT
O
Audio out select signal output
83
FRONT-RELAY
O
Front speaker relay driver signal output
84
LINK-RELAY
O
Rear speaker relay driver signal output
(REAR L/R SURR RLY)
85
CENTER-RELAY
O
Center speaker relay driver signal output
86
VOLUME-DATA
O
Volume level control data output
87
VOLUME-CLK
O
Volume level control clock output
88
FAN KICK
O
Fan motor control signal output
89
A-SHUT
I
TCM-A reel pulse input
90
B-SHUT
I
TCM-B reel pulse input
91
B-HALF
I
B deck half detection input
92
MODEL-IN
I
Model input
93
DEST-IN
I
Destination input
94
I-HOLD
I
Sub trans over valtage detect
95
DVD-POWER-CHK
I
DVD power D+3.3V voltage detect signal input
96
AVSS
—
Ground
97
NO USE
—
Not used (open)
98
VREF
I
Reference voltage input
99
AVCC
—
Power supply (+3.3V)
100
ST-MUTE
O
Tuner mute signal output
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