Sony HCD-HPX7 Service Manual page 81

Pin No. Pin Name
SW2-2
47
(LOD POSITION)
48 SW1 (OPEN)
49 ELV NEG
50 ELV POS
51 LOD NEG
52 LOD POS
53 SW-POWER
54 —
55 XTCN
56 —
57 CD BD POWER
58 RDS DATA
59 CDM80 LOAD-OUT
60 CDM80 LOAD-IN
(TRIGGER SW)
61
CDM80 SW3
62 VCC
(OUT SW)
63
CDM80 SW1
64 VSS
(CHUCK SW)
65
CDM80 SW2
66 FAN DRIVE
67 ST MUTE
68 ST STEREO
69 ST TUNED
70 ST CE
71 ST DATA OUT
72 ST DATA IN
73 ST CLK
74 KEY WAKE UP
75 TC PLAY
76 TC TRG
77 TC CAPM CONT
78 BIAS ON
79 TC R/P
80 RY ON
81 WATPOW
82 TC DOOR SW
83 LINE MUTE
84 PROTECT
85 SP RELAY
86 AMP POWER
87 EQ DATA
88 EQ CLK
89 to 91 KEY3 to KEY1
I/O
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
— Power supply terminal (+3.3V)
I Out switch input terminal
— Ground terminal
I Chuck switch input terminal
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
I Tuning detection signal input from the tuner unit
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
O Capstan/reel motor drive signal output terminal
O REC bias on/off control signal output terminal
O PB/REC switching control signal output terminal
O Relay drive signal output for main power supply
O Not used
I Tape deck lid open/close detection signal input terminal
O Line muting on/off control signal output terminal
I Protect signal input from the amplifier circuit
O Speaker on/off relay drive signal output terminal "L": speaker off
O AMP muting on/off control signal output terminal
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)
Description
"L": switch on
"L": switch on
"L": switch on
"L": plunger on
"H": REC bias on
"L": protect
HCD-HPX7
"L": stereo
"L": tuned
"L": forward, "H": reverse
"L": PB
"H": power on
"H": muting on
"H": AMP on
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