Sony HCD-HPX7 Service Manual - Page 81

Pin No., Pin Name, Description

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HCD-HPX7 Pin No. 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 to 91 Pin Name SW2-2 (LOD POSITION) SW1 (OPEN) ELV NEG ELV POS LOD NEG LOD POS SW-POWER - XTCN - CD BD POWER RDS DATA CDM80 LOAD-OUT CDM80 LOAD-IN (TRIGGER SW) CDM80 SW3 VCC (OUT SW) CDM80 SW1 VSS (CHUCK SW) CDM80 SW2 FAN DRIVE ST MUTE ST STEREO ST TUNED ST CE ST DATA OUT ST DATA IN ST CLK KEY WAKE UP TC PLAY TC TRG TC CAPM CONT BIAS ON TC R/P RY ON WATPOW TC DOOR SW LINE MUTE PROTECT SP RELAY AMP POWER EQ DATA EQ CLK KEY3 to KEY1 I/O Description I CD loading position switch input terminal I CD open switch input terminal O Elevator up/down motor control signal output O Elevator up/down motor control signal output O Loading motor control signal output O Loading motor control signal output O Sub power block on/off control signal output terminal O Not used O Oscillator control signal output to the CD DSP O Not used O Power on/off control signal output for CD block I RDS serial data input terminal (only for AEP, UK models) O Loading motor control signal output (loading out direction) O Loading motor control signal output (loading in direction) I 12cm DISC switch "L": switch on - Power supply terminal (+3.3V) I Out switch input terminal "L": switch on - Ground terminal I Chuck switch input terminal "L": switch on O Fan motor drive signal output terminal Not used O Tuner muting on/off control signal output terminal I FM stereo detection signal input from the tuner unit "L": stereo I Tuning detection signal input from the tuner unit "L": tuned O Chip enable signal output to the FM/AM tuner unit O Serial data output to the FM/AM tuner unit I Serial data input from the FM/AM tuner unit O Serial data transfer clock signal output to the FM/AM tuner unit I System wake up signal input terminal in the standby status I Tape play switch input terminal O Plunger driver signal output terminal "L": plunger on O Capstan/reel motor drive signal output terminal "L": forward, "H": reverse O REC bias on/off control signal output terminal "H": REC bias on O PB/REC switching control signal output terminal "L": PB O Relay drive signal output for main power supply "H": power on O Not used I Tape deck lid open/close detection signal input terminal O Line muting on/off control signal output terminal "H": muting on I Protect signal input from the amplifier circuit "L": protect O Speaker on/off relay drive signal output terminal "L": speaker off O AMP muting on/off control signal output terminal "H": AMP on O Serial data output to the electrical volume O Serial data transfer clock signal output to the electrical volume I Front panel key or headphone detection input terminal (A/D input) 81

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81
HCD-HPX7
Pin No.
Pin Name
I/O
Description
47
SW2-2
I
CD loading position switch input terminal
(LOD POSITION)
48
SW1 (OPEN)
I
CD open switch input terminal
49
ELV NEG
O
Elevator up/down motor control signal output
50
ELV POS
O
Elevator up/down motor control signal output
51
LOD NEG
O
Loading motor control signal output
52
LOD POS
O
Loading motor control signal output
53
SW-POWER
O
Sub power block on/off control signal output terminal
54
—
O
Not used
55
XTCN
O
Oscillator control signal output to the CD DSP
56
—
O
Not used
57
CD BD POWER
O
Power on/off control signal output for CD block
58
RDS DATA
I
RDS serial data input terminal (only for AEP, UK models)
59
CDM80 LOAD-OUT
O
Loading motor control signal output (loading out direction)
60
CDM80 LOAD-IN
O
Loading motor control signal output (loading in direction)
61
(TRIGGER SW)
I
12cm DISC switch
“L”: switch on
CDM80 SW3
62
VCC
—
Power supply terminal (+3.3V)
63
(OUT SW)
I
Out switch input terminal
“L”: switch on
CDM80 SW1
64
VSS
—
Ground terminal
65
(CHUCK SW)
I
Chuck switch input terminal
“L”: switch on
CDM80 SW2
66
FAN DRIVE
O
Fan motor drive signal output terminal Not used
67
ST MUTE
O
Tuner muting on/off control signal output terminal
68
ST STEREO
I
FM stereo detection signal input from the tuner unit
“L”: stereo
69
ST TUNED
I
Tuning detection signal input from the tuner unit
“L”: tuned
70
ST CE
O
Chip enable signal output to the FM/AM tuner unit
71
ST DATA OUT
O
Serial data output to the FM/AM tuner unit
72
ST DATA IN
I
Serial data input from the FM/AM tuner unit
73
ST CLK
O
Serial data transfer clock signal output to the FM/AM tuner unit
74
KEY WAKE UP
I
System wake up signal input terminal in the standby status
75
TC PLAY
I
Tape play switch input terminal
76
TC TRG
O
Plunger driver signal output terminal
“L”: plunger on
77
TC CAPM CONT
O
Capstan/reel motor drive signal output terminal
“L”: forward, “H”: reverse
78
BIAS ON
O
REC bias on/off control signal output terminal
“H”: REC bias on
79
TC R/P
O
PB/REC switching control signal output terminal
“L”: PB
80
RY ON
O
Relay drive signal output for main power supply
“H”: power on
81
WATPOW
O
Not used
82
TC DOOR SW
I
Tape deck lid open/close detection signal input terminal
83
LINE MUTE
O
Line muting on/off control signal output terminal
“H”: muting on
84
PROTECT
I
Protect signal input from the amplifier circuit
“L”: protect
85
SP RELAY
O
Speaker on/off relay drive signal output terminal “L”: speaker off
86
AMP POWER
O
AMP muting on/off control signal output terminal
“H”: AMP on
87
EQ DATA
O
Serial data output to the electrical volume
88
EQ CLK
O
Serial data transfer clock signal output to the electrical volume
89 to 91
KEY3 to KEY1
I
Front panel key or headphone detection input terminal (A/D input)