Daewoo AKF-8846, Service Manual

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IC 302 (HA12135AF)
PIN NO. PIN NAME DESCRIPTION I/O VOLTAGE
1, 16 REC IN RECODING INPUT I 5.5V
2 VCC POWER I 11V
3, 14 PB IN PLAYBACK INPUT I 5.5V
4 Vref BEEFERENCE VOLTAGE 5.3V
5 NR ON/OFF NR ON/OFF MODE CONTROL I 4.6V/0.4V
6, 11 PB OUT PLAYBACK OUTPUT O 5.4V
7, 10 DET Time constant pin for the level detector 1.2V
8, 9 REC OUTPUT RECORDING OUTPUT 5.5V
12 REC/PB REC/PB
¿«
CONTROL PORT 0.4V
PB(PLAYBACK)
¿œ
∞
ÊøÏ
LOW
13 BIAS Reference current input pin for the active filters 0.9V
15 GND GROUND 0V