31
HCD-NE3
Pin No.
Pin Name
I/O
Description
41
TA LED
O
LED drive signal output terminal
42
TU LED
O
LED drive signal output terminal
43
CD LED
O
LED drive signal output terminal
44
NC
—
Not used
45 to 53 SEG33 to SEG25
O
Segment drive signal output to the fluorescent indicator tube
54
VDD2
—
Power supply terminal (+3.1V)
55
VSS2
—
Ground terminal
56 to 79
SEG24 to SEG1
O
Segment drive signal output to the fluorescent indicator tube
80
BIAS3
I
Power supply output for the liquid crystal display bias
81
LCD BIAS2
I
Power supply output for the liquid crystal display bias
82
LCD BIAS1
I
Power supply output for the liquid crystal display bias
83 to 86
LCD COM0 to
LCD COM3
O
Common drive signal output to the liquid crystal display (D621)
87, 88
NC
—
Not used
89
VSS3
—
Ground terminal
90
VDD3
—
Power supply terminal (+3.1V)
91
TA PLAY SW
I
PLAY switch signal input from the tape mechanism deck
92
TA END SW
I
END switch signal input from the tape mechanism deck
93
TA MOTOR
O
Capstan/reel motor on/off control signal output terminal “H”: motor on
94
TA REC/PLAY
O
Recording/playback selection signal output terminal “H”: playback mode, “L”: recording mode
95
TA BIAS
O
Recording bias on/off selection signal output terminal “H”: bias on, “L”: bias off
96
TA SOL
O
Trigger plunger on/off control signal output terminal “H”: plunger on
97
BACK LIGHT ON
O
LED drive signal output terminal for the LCD back light
98
AMP STBY
O
Standby control signal output to the power amplifier
99
AMP MUTE
O
Tuner muting on/off control signal output to the power amplifier
100
AU MUTE
O
Line muting on/off control signal output terminal Not used
