Read Sony CMT-SE1 / HCD-SE1 Service Manual online
47
HCD-SE1
Pin No.
Pin Name
I/O
Description
49
INIT
O
Reset signal output to the stream processor “L”: reset
50
HP DET
I
Headphone jack connection detection signal input terminal
“L”: no connected, “H”: headphone connected
“L”: no connected, “H”: headphone connected
51
NC
—
Not used (open)
52
VOL B
I
Jog dial pulse input from the rotary encoder (VOLUME) (B phase input)
53
VOL A
I
Jog dial pulse input from the rotary encoder (VOLUME) (A phase input)
54
CD LD-ON
O
CD-ROM/RW selection signal output to the RF amplifier “L”: CD-ROM, “H”: CD-RW
55
ENA
O
Output enable control signal output to the power driver
56
CD SENS
I
Internal status detection monitor input from the digital signal processor
57
TUNED
I
Tuning detection signal input from the tuner unit “L”: tuned
58, 59
NC
—
Not used (open)
60
CD XRST
O
Reset signal output to the digital signal processor and motor/coil driver “L”: reset
61
DIAG
I
Protect signal input from the power driver and protect detect circuit
62
VCC
—
Power supply terminal (+3.3V)
63
SOFT TEST
O
Output terminal for the software test Not used
64
VSS
—
Ground terminal
65
CD ON
O
Power supply on/off control signal output for the CD section “H”: power on
66
NC
—
Not used (open)
67
CDM RIN
(LOAD-OUT)
O
Motor drive signal (open direction) output terminal
68
CDM FIN (LOAD-IN)
O
Motor drive signal (close direction) output terminal
69
CDM SW1 (OUT)
I
Loading out detect switch input terminal “L”: loading out
70
CDM SW2
(CHUCK)
I
Chucking detect switch input terminal
71
CDM SW3
(TRIGGER)
I
Trigger detect switch input terminal
72
NC
—
Not used (open)
73
P DOWN
O
Power down control signal output “L”: power down
74
KEY WAKE UP
I
System wake up signal input by pressing any key
75 to 77
NC
—
Not used (open)
78
CD MUTE
O
CD analog signal muting on/off control signal output terminal “H”: muting on
79
NC
—
Not used (open)
80
DBFB
—
Not used (open)
81
LINE MUTE
O
Audio line muting on/off control signal output terminal “H”: muting on
82 to 84
NC
—
Not used (open)
85
HP MUTE
O
Headphone muting on/off control signal output terminal “H”: muting on
86
EQ CE
O
Chip enable signal output to the electrical volume
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
NC
—
Not used (open)
92
MODEL
I
Model setting terminal
93
AREA
I
Destination setting terminal
94, 95
KEY2, KEY1
I
Front panel key input terminal (A/D input)
96
AVSS
—
Ground terminal (for analog system)
97
KEY0
I
Front panel key input terminal (A/D input)
98
VREF
I
Reference voltage (+3.3V) input terminal
99
AVCC
—
Power supply terminal (+3.3V) (for analog system)
100
FL RESET
O
Reset signal output to the FL driver “L”: reset
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