67
HCD-GT22/GT44/GT55
Pin No.
Pin Name
I/O
Description
45
O-AUDIO-CLK
O
Serial data transfer clock signal output to the electrical volume and parametric equalizer (GT55)
Serial data transfer clock signal output to the electrical volume (GT22/GT44)
46
O-REC/PB
O
Deck-A/B selection and recording/playback selection signal output terminal
"L": deck-B and playback, "H": deck-A and recording
47
AVREF1
I
Reference voltage (+3.3V) input terminal
48
O-REC-MUTE
O
Recording muting on/off control signal output terminal "L": muting on
49
O-BIAS
O
Recording bias on/off control signal output terminal "H": bias on
50
AVREF0
I
Reference voltage (+3.3V) input terminal
51
AVSS
-
Ground terminal
52
I-USB-MONI
I
USB power (VBUS) monitoring input terminal
53
I-SUFIX
I
Setting terminal for the destination
54
I-MODEL
I
Setting terminal for model discrimination
55
I-ENCD
I
Disc table address sensor (rotary encoder) input terminal (A/D input)
56
I-KEY4
I
Front panel key input terminal (A/D input) (GT55)
57
I-PROTECTOR
I
AC power detection signal input, and protect signal input terminal
58
I-HP/MIC
I
Headphone and microphone plug insert detection signal input terminal (A/D input)
59
I-VACS
I
VACS signal input terminal (A/D input)
60
I-TAPE-STAT
I
Deck-A/B cassette detection signal input from the tape mechanism deck block, and Recording-
proof detection signal input from the tape mechanism deck block (A/D input)
61 to 64
I-KEY0 to I-KEY3
I
Front panel key input terminal (A/D input)
65
I-JOG I
Jog dial pulse input from the rotary encoder (multi jog) (A/D input)
66
I-VOL I
Jog dial pulse input from the rotary encoder (VOLUME) (A/D input)
67
I-STREAM
I
Audio signal input for stream LED (A/D input)
68
O-NJM3427FA2
-CS
O
Chip select signal output to the fluorescent indicator tube driver
69
O-NJM3427FA2
-RESET
O
System reset signal output to the fluorescent indicator tube driver "L": reset
70 to 75
O-S-LED1 to
O-S-LED6
O
LED drive signal output of the stream indicator "H": LED on
76
O-SWR-LED
O
LED drive signal output of the SUBWOOFER indicator "H": LED on (GT44/GT55)
77
O-STBY-LED
O
LED drive signal output terminal for STANDBY indicator "H": LED on
78
I-REEL-A
I
Deck-A tape reel rotating detection signal input from the tape mechanism deck block
79
I-REEL-B
I
Deck-B tape reel rotating detection signal input from the tape mechanism deck block
80
I-RDS-CLK
I
RDS data transfer clock signal input terminal Not used
81
I-SIRCS-IN
I
SIRCS signal input from the remote control receiver
82
NC
-
Not used
83
I-WAKEUPKEY
I
Wake up signal input terminal
84
O-NJM3427A-
DATA
O
Serial data output to the fluorescent indicator tube driver
85
O-MOTOR
O
Capstan/reel motor drive signal output terminal "H": motor on
86
O-NJM3427A2-
CLK
O
Serial data transfer clock signal output to the fluorescent indicator tube driver
87
O-B-SOL
O
Deck-B side trigger plunger drive signal output terminal "H": plunger on
88
O-A-SOL
O
Deck-A side trigger plunger drive signal output terminal "H": plunger on
89
TOOL0
I
Not used
90
RESET
I
System reset signal input from the reset signal generator "L": reset
For several hundreds msec. after the power supply rises, "L" is input, then it changes to "H"
Содержание HCD-GT22
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