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35
ICF-CD73/CD73V
Pin No.
Pin Name
I/O
Description
76
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”
77
LOAD
O
Load control signal output terminal for battery reverse insert check
78
A MUTE
O
Audio muting on/off control signal output terminal “L”: muting on
79
B MUTE
O
Muting signal on/off control signal output terminal “L”: muting on (beep sound on)
80
BATT CHK M
O
Middle voltage (+3V) control signal output terminal for battery check