97
HCD-M90
Pin No. Pin Name I/O Description
41
REC MUTE O
Recording muting on/off control signal output to the recording/playback equalizer amp
“L”: muting on
42
STBY-LED O LED drive signal output of the standby indicator “H”: LED on
43 REC/PB
O
Recording/playback selection signal output to the tape section
“L”: playback mode, “H”: recording mode
44
DA MUTE O Muting on/off control signal output terminal Not used
45
DSG-LED O LED drive signal output of the DSG (Dynamic Sound Generator) indicator “H”: LED on
46
TC-LED O LED drive signal output of the TAPE indicator “H”: LED on
47
CD-SYNC LED
O
LED drive signal output of the CD SYNCHRO indicator “H”: LED on
48
CD-LED
O
LED drive signal output of the DVD indicator “H”: LED on
49
TU-LED
O
LED drive signal output of the TUNER indicator “H”: LED on
50 H/P DETECT
I
Headphone jack connection detection signal input terminal
“L”: no connected, “H”: headphone connected
51
BACK LIGHT
O
Power on/off control signal output to the liquid crystal display and back light “H”: power on
52
VILUME B — Not used
53
VILUME A — Not used
54
LD ON O Interrupt request signal output to the DVD system controller
55
1-4 — Not used
56
SENS O System OK signal output to the DVD system controller
57
TUNED I Automatic limiter control signal input from the tuner unit
58
BTRG O Trigger plunger on/off control signal output “H”: plunger on
59
CAPM CONT1
O
Capstan/reel motor on/off control signal output “H”: motor on
60
XRST O Reset signal output to the DVD system controller “L”: reset
61
CTRL1-2 — Not used
62
VCC — Power supply terminal (+4V)
63
SOFT-TEST O Test terminal Not used
64
VSS — Ground terminal
65
SYSPWR O DVD system power supply on/off control signal output “L”: power on
66
CD MUTE O Muting on/off control signal output terminal Not used
67
LOAD OUT
I
Loading out detect signal input terminal Not used
68
LOAD IN
I
Loading in detect signal input terminal Not used
69
OPEN
I
Disc tray open detect signal input terminal Not used
70
CLOSE
I
Disc tray close detect signal input terminal Not used
71
BASS A — Not used
72
BASS B — Not used
73
DISPLAY KEY I Key input terminal Not used
74
POWER KEY I Power key input terminal
75
PC POWER — Not used
76
TREBLE A — Not used
77
TREBLE B — Not used
78
MDM POWER — Not used
79
INPUT SEL
O
Data input select control signal output to the D/A converter
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 RLY
O
Main system power supply on/off control signal output “H”: power on
83
FAN CONT O Fan motor control signal output terminal Not used
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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