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
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