1-24 (No.49854)
4.3
HA12231FP-X (IC401) : PB Equalizer/Line Mute/Music Sensor
• Pin layout & Block diagram
• Pin function
14
13
12
11
10
9
1
2
3
4
5
6
Ripple Filter
Amp.
Ch2
8
ALC
7
GND
Vcc
Amp.
Ch1
Pin No.
Symbol
I/O
Function
1
VREF
O
Reference output
2
FIN(R)
I
Equalizer input
3
RIN(R)
I
Equalizer input
4
EQOUT(R)
O
Equalizer output
5
TAI(R)
I
Tape input
6
PBOUT(R)
O
PB output
7
MS GV
-
MS gain terminal
8
120/70
I
Mode control input
9
Mute
I
Mode control input
10
FOR/REV
I
Mode control input
11
Vcc
-
Power supply
12
MS
O
MS output (to MPU)
13
MSDET
-
Time constant pin for MS rectifier
14
RIP
-
Ripple filter
15
PBOUT(L)
O
PB output
16
TAI(L)
I
Tape input
17
EQOUT(L)
O
Equalizer output
Equalizer input
Equalizer input
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