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52
CX-JS7
Pin No.
Pin Name
I/O
Description
54
S9/I-B-MODE
I/O
Segment drive signal output to the fluorescent indicator tube and deck-B mode detection signal
input from the tape mechanism deck block “L” active
55
S10/I-REC (REW)
I/O
Segment drive signal output to the fluorescent indicator tube and recording-proof (reverse
direction) detection signal input from the tape mechanism deck block
“L”: recording possible
56 to 68
S11 to S23
O
Segment drive signal output to the fluorescent indicator tube
69 to 71
S24 to S26
O
Segment drive signal output to the fluorescent indicator tube Not used
72
VDD4
—
Power supply terminal (+3.3V)
73 to 75
—
—
Not used
76
I-HP-MUTE
I
Headphone detection signal input terminal “H”: headphone in
77
I-TRE B
I
Jog dial pulse input from the rotary encoder (TREBLE/MIDDLE) (B phase input)
78
I-TRE A
I
Jog dial pulse input from the rotary encoder (TREBLE/MIDDLE) (A phase input)
79
I-BASS B
I
Jog dial pulse input from the rotary encoder (BASS) (B phase input)
80
I-BASS A
I
Jog dial pulse input from the rotary encoder (BASS) (A phase input)
81
I-JOG B
I
Jog dial pulse input from the rotary encoder (jog dial) (B phase input)
82
I-JOG A
I
Jog dial pulse input from the rotary encoder (jog dial) (A phase input)
83
I-VOL B
I
Jog dial pulse input from the rotary encoder (VOLUME) (B phase input)
84
I-VOL A
I
Jog dial pulse input from the rotary encoder (VOLUME) (A phase input)
85
I-WRQ
I
CD interruption signal input from the CD DSP
86
I-CD DRF
I
CD focus on/off detection signal input from the CD DSP
87
I-LC72121 DI
I
Serial data input from the tuner unit
88
I-TUNER TUNE
I
Tuning detection signal input from the tuner unit “L”: tuned
89
VSS2
—
Ground terminal
90
VDD2
—
Power supply terminal (+3.3V)
91
O-LC72121/
M61529/BU2099
DO
O
Serial data output to the tuner unit, electrical volume and LED driver
92
O-LC72121/
BU2099 CLK
O
Serial data transfer clock signal output tuner unit, LED driver, tape mechanism controller, multi
controller and bass boost controller
93
O-POWER LED
O
LED drive signal output of the POWER
1
STANDBY/ON indicator “L”: LED on
94
O-POWER RELAY
O
Power on/off relay drive signal output terminal “H”: power on
Key scan signal output for initial diode and switches in the tape mechanism deck
“L”: key scan
CD table address detection signal input terminal
FM stereo detection signal input from the tuner unit “L”: stereo
Serial data output to the CD DSP and MP3 decoder
Serial data input from the CD DSP and MP3 decoder
LC78684 CLK
Serial data transfer clock signal output to the CD DSP and MP3 decoder
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