Table of Contents
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BA3126N (IC331) : R / P switch
1. Pin layout & Block diagram
1
2
3
AN7317 (IC332) : R / P amp
1. Pin layout & Block diagram
16
1
2. Pin function
Pin No.
1
CH1 playback amp input
2
Feedback of CH1 playback amp
3
CH1 playback amp output
4
CH1 recording amp input
5
CH1 recording amp output
6
Low cut of ALC
7
Time of ALC
8
GND
9
Vcc
10
Lipple filter
11
Recording amp mute
12
CH2 recording amp output
13
CH2 recording amp input
14
CH2 playback amp output
15
Feedback of CH2 playback amp
16
CH2 playback amp input
4
5
6
15
14
13
112k
60k
30k
Pre
Pre
30k
60k
112k
2
3
4
Function
7
8
9
12
11
10
Mute
Pre
Pre
ALC
5
6
7
9
R.R
8
UX-A52
1-47
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