50
HCD-M80
Pin No.
Pin Name
I/O
Description
43
TC-RELAY
O
Recording/playback selection signal output to the tape section
“L”: playback mode, “H”: recording mode
44
LED2
O
LED drive signal output terminal Not used
45
LED3
O
LED drive signal output of the DSG (Dynamic Sound Generator) indicator “H”: LED on
46
LED4
O
LED drive signal output of the TAPE indicator “H”: LED on
47
LED5
O
LED drive signal output of the CD SYNCHRO indicator “H”: LED on
48
LED6
O
LED drive signal output of the CD indicator “H”: LED on
49
LED7
O
LED drive signal output of the TUNER indicator “H”: LED on
50
HEAD PHONE
DETECT
I
Headphone jack connection detection signal input
“L”: no connected, “H”: headphone connected
51
BACK LIGHT
O
Power on/off control signal output for the liquid crystal display back light “H”: power on
52
VOLUME B
O
Not used
53
VOLUME A
O
Not used
54
SYSRQ
O
Request signal output to the MPEG video/audio decoder
55
1-4
O
Not used
56
SYSOK
O
Acknowledge signal output to the MPEG video/audio decoder
57
TUNED
I
Tuning detection signal input from the tuner unit “L”: tuned
58
B TRG
O
Trigger plunger on/off control signal output “H”: plunger on
59
CAPM-CNT1
O
Capstan/reel motor on/off control signal output “H”: motor on
60
SYSRST
O
Reset signal output to the MPEG video/audio decoder “L”: reset
61
XTSL
O
Not used
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-POWER
O
Power supply on/off control signal output for the CD/video CD system “H”: power on
66
CD MUTE
O
CD muting on/off control signal output “H”: muting on
67
LOAD-OUT
I
Motor drive signal (open direction) output
68
LOAD-IN
I
Motor drive signal (close direction) output
69
OPEN
I
Disc tray open/close detect switch input terminal “L”: disc tray open, “H”: disc tray close
70
CLOSE
I
Disc tray open/close detect switch input terminal “L”: disc tray close, “H”: disc tray open
71
BASS A
O
Not used
72
BASS B
O
Not used
73
DISPLAY KEY
I
Display key input terminal Not used
74
POWER KEY
I
Power key input terminal
75
PC POWER
I
Not used
76
TREBLE A
O
Not used
77
TREBLE B
O
Not used
78
MDM POWER
O
Not used
79
DA MUTE/
INPUT SEL
O
Not used
80
ALC
O
Automatic limiter control signal output to the recording/playback equalizer amplifier
“L”: limiter on
81
LINE-MUTE
O
Audio line muting on/off control signal output “H”: muting on
82
STBY-RELAY
O
Main system power supply on/off control signal output “H”: power on
83
FAN CONTROL
O
Fan motor control signal output terminal Not used
84
STK-POWER
O
Power on/off control signal output to the power amplifier “H”: power on
Summary of Contents for HCD-M80
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