43
HCD-HP7
Pin No.
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
I
I
I
I
I
O
O
O
O
—
—
O
O
O
O
O
I
O
O
I
O
Pin Name
VR ENCODER B
CDM D.SENSOR
PROTECTOR
TAPE END
MODE SW IN
LINE MUTE
DISC5 LED
DISC4 LED
DISC3 LED
VSS2
VDD2
DISC2 LED
DISC1 LED
POWER LED
POWER RELAY
LC72121/M61529/
PT8300 DO
LC72121 DI
LC72121/PT8300
CLK
LC87646/LC78684
DO
LC87646/LC78684
DI
LC87646/LC78684
CLK
Description
Volume signal input from the rotary encoder (VR601)
Disc detection signal input
Protection signal input from the power amplifier circuit
Tape end detection signal input from the tape deck
Mode setting signal input
Line muting signal output
Disc LED control signal output
Disc LED control signal output
Disc LED control signal output
Ground terminal
Power supply terminal
Disc LED control signal output
Disc LED control signal output
Power LED control signal output
Power relay on/off control signal output
Data output to the tuner, the sound processor (IC301) and the I/O expander (IC302)
Data input from the tuner
Clock output to the tuner and the I/O expander (IC302)
Serial command data output to the RF amplifier (IC721) and the MP3 decoder (IC801)
Serial command data input from the RF amplifier (IC721) and the MP3 decoder (IC801)
Serial command clock output to the RF amplifier (IC721) and the MP3 decoder (IC801)
