IC 302 (HA12135AF)
PIN NO.PIN NAMEDESCRIPTIONI/OVOLTAGE
1, 16REC INRECODING INPUTI5.5V
2VCCPOWER I11V
3, 14PB INPLAYBACK INPUTI 5.5V
4VrefBEEFERENCE VOLTAGE5.3V
5NR ON/OFFNR ON/OFF MODE CONTROLI4.6V/0.4V
6, 11PB OUTPLAYBACK OUTPUTO5.4V
7, 10DETTime constant pin for the level detector1.2V
8, 9REC OUTPUT RECORDING OUTPUT5.5V
12REC/PBREC/PB A�CONTROL PORT0.4V
PB(PLAYBACK)AIYażiLOW
13BIASReference current input pin for the active filters0.9V
15GNDGROUND0V
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