Read Sony HCD-DP900D / MHC-DP900D Service Manual online
57
HCD-DP900D
Description
Pin Name
Pin No.
I/O
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-CNT 1
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”, DVD/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
Not used (rear speaker relay)
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
B-HALF
I
Detection input from the B deck half signal input
92
MODEL-IN
I
Destination setting terminal
93
SPEC-IN
I
Destination settnng terminal
94
FAN
O
Fan on control signal output
95
PWECK
I
Power check input
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
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