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IC Block Diagrams
IC3402
R2S15908SP
INR5
INR4
INR3
INR2
INR1
INL1
INL2
INL3
INL4
INL5
IGOUTL
VOLINL
IGOUTR
VOLINR
1
2
3
Input
selector
4
5
mute
6
Mono
/Stereo
7
8
Input
selector
9
10
Input gain
control
11
mute
0~+20dB
/2dB step
Volume
12
0~-87dB,-∞
13
0~+20dB
/2dB step
Volume
14
0~-87dB,-∞
Mode selector
Surround
MCU
I/F
REF
-8-
R2A15908SP
ROUT
28
27
LOUT
26
TRER
25
BASSR1
24
BASSR2
BASSL2
23
BASSL1
22
TREL
21
20
DGND
19
SDA
18
SCL
17
AGND
REFIN
16
15
VCC
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