Read Sony HCD-VP800AV / MHC-VP800AV Service Manual online
54
HCD-VP800AV
51
NO - USE
I
Not used
52
B TRG
O
B deck trigger control signal output
53
AMS - IN
I
AMS signal input
54
CAPM - H/L
O
Capstan moter highi/low speed control signal output
55
CAPM - CONT
O
Capstan moter REV/FWD/STOP control signal output
56
A PLAY
I
A deck play detect signal input
57
B PLAY
I
B deck play detect signal input
58
TC - MUTE
O
Tape deck line mute switch signal output. mute: “H”
59
R/PB/PAS
I
REC/PB/PASS select signal input
60
NR - ON/OFF
O
DOLBY NR on/off switch signal output
61
REC - MUTE
O
REC mute switch signal output (mute “L”)
62
Vcc
I
Power supply(+5V)
63
SOFT - TEST
O
Soft out check point
64
Vss
—
Ground
65
BIAS
O
BIAS on/off switch signal output.
66
EQ - H/N
O
EQ high/low switch serect signal output
67
PB - A/B
O
A/B playback deck select signal output (deck A: “L”, deck B “H”)
68
ALC
O
ALC switch signal output (on: “L”, off “H”)
69
TC - RELAY
O
Tape deck relay switch signal output
70
A HALF
I
A deck half detect signal input
71
LINE-MUTE
O
Line mute signal output (on “H”, off “L”)
72
STK - POWER
O
Power amplifier on/off signal output (on “H”, off “L”)
73
DISPLAY KEY
I
Display key on/off switch signal input
74
POWER KEY
I
Power key on/off switch signal input
75
DIR - UNLOCK
I
Dir pll unlock signal input (analog: “H”, CD/Din normal: “L”)
76
DIR - CS
O
Dir cs signal output (normal “H”)
77
DIR - XSTATE
I
Dir xstate signal input (normal “H”)
78
DIR - Rx
I
Dir tx signal input
79
CODEC - SMUTE
I
Codec soft mute signal input (normal “L”, mute “H”)
80
DSP - ACK
I
DSP ACK signal input
81
DSP - CS
I
DSP CS signal input
82
DSP - DECODE
I
DSP DECODE signal input (AC-3 DTS decode “H”)
83
STBY - RELAY
O
Main power on/off switch signal output
84
FRONT - RELAY
O
Front speaker relay switch signal output
85
REAR - RELAY
O
Rear speaker reay switch signal output
86
SP PROTECT
I
Front speaker protect signal input ( on “L”)
87
STEREO
I
FM stereo detection signal input (stereo “L”)
88
TUNED
I
Tuning detection signal input (tuned “L”)
89
A SHUT
I
Shut off detection signal input (A deck reel pulse)
90
B SHUT
I
Shut off detection signal input (B deck reel pulse)
91
HALF/REC A/REC B
I
Detection input from the B deck half signal input
92
MODEL - IN
I
Not used .Destination setting terminal
93
SPEC - IN
I
Destination settnng terminal
94
FUN
O
Fun on control signal output
95
V - MUTE
O
Not used
96
AVss
—
Ground
97
POWER
O
Standby LED on/off control signal output
98
VREF
I
Reference voltage(+5V)
99
AVcc
I
Power supply (+5V)
100
AC - CUT
I
AC cut on/off check signal input
Pin Name
Pin No.
I/O
Discription
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