Sony HCD-HPZ7 Service Manual page 191

Micro hi-fi component system
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Pin No.
Pin Name
49
ELV NEG
50
ELV POS
51
LOD NEG
52
LOD POS
53
CDM80 LOAD-OUT
54
CDM80 LOAD-IN
55
(TRIGGER) CDM80 SW3
56
(OUT SW) CDM80 SW1
57
(CHUCK SW) CDM80 SW2
58
TC PLAY
59
TC TRG
60
TC CAPM CONT
61
BIAS ON
62
VCC
63
TC R/P
64
VSS
65
HP DETECT
66
LINE MUTE
67
PROTECT
68
SP RELAY
69
AMP POWER
70
AMP DATA
71
AMP CLK
72
STBY-RELAY
73
SW-POWER
74
KEY WAKE UP
75
ST TUNED
76
ST CE
77
ST DATA OUT
78
DIN/STEREO
79
ST CLK
80
FL STB
81
FL CLK
82
DISC1 LED
83
DISC2 LED
84
DISC3 LED
85
DISC4 LED
86
DISC5 LED
87
FAN ON
88, 89
VOL A, VOL B
90 to 92
KEY3 to KEY1
93
SPEC-IN
94
TC END SW
95
TC HALF/REC SW
96
AVSS
97
SEARCH A
98
VREF
99
AVCC
100
SEARCH B
I/O
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
Loading motor control signal output (loading out direction)
O
Loading motor control signal output (loading in direction)
I
12cm DISC switch
"L": switch on
I
Out switch input terminal
I
Chuck switch input terminal
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
Power supply terminal (+3.3V)
O
PB/REC switching control signal output terminal
Ground terminal
I
Headphone detection signal input
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
O
AMP muting on/off control signal output terminal
O
Serial data output to the sound processor
O
Serial data transfer clock signal output to the sound processor
O
Relay drive signal output for main power supply
O
Sub power block on/off control signal output terminal (Not used)
I
System wake up signal input terminal in the standby status
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
FM stereo detection signal input from the tuner unit
O
Serial data transfer clock signal output to the FM/AM tuner unit
O
Serial data read strobe signal output to the FL/LED driver
O
Serial data transfer clock signal output to the FL/LED driver
O
DISC1 LED control signal output
O
DISC2 LED control signal output
O
DISC3 LED control signal output
O
DISC4 LED control signal output
O
DISC5 LED control signal output
O
Fan motor drive signal output terminal
I
Volume signal input terminal
I
Front panel key or headphone detection input terminal (A/D input)
I
Setting terminal for the destination
I
End switch detection from tape deck block
I
Half/REC switch detection from tape deck block
Ground terminal
I
Jog dial pulse input terminal
I
Reference voltage (+3.3V) input terminal
Power supply terminal (+3.3V)
I
Jog dial pulse input terminal
Description
"L": switch on
"L": switch on
"L": plunger on
"L": forward, "H": reverse
"H": REC bias on
"L": PB
"H": muting on
"L": protect
"L": speaker off
"H": AMP on
"H": power on
"L": tuned
"L": stereo
HCD-HPZ7/HPZ9
81

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