15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
OUT4
volume
MCU I/F
OUTPUT
PORT
OUT3
OUT2
OUT1
AVoo
SWin
GNDS
SRin
SLin
GNDC
Cin
GNDR
Rin
GNDL
Lin
BYPASSR
BYPASSL
LTRE
LBASS3
LBASS2
LBASS1
DVoo
CLK
DATA
LATCH
DGND
AGND
SWout
SRout
SLout
Cout
Rout
Lout
AVss
CL1
CL2
CR1
CR2
RTRE
RBASS3
RBASS2
RBASS1
34
35
36
37
38
39
40
41
42
33
32
31
30
29
28
27
26
25
24
23
22
volume
volume
volume
tone
tone
volume
volume
M 62446FP (ELECTRONIC VOLUM E/ INPUT IC31)
AV4527VQ (ADC/ DAC/ INPUT IC42)
ADC
LIN+
LIN-
RIN+
RIN-
HPF
FOMAT
CONVERTER
SDOS
SDTO
SDTI1
SDTI2
SDTI3
Audio
I/F
MCLK
MCLK
LRCK
LRCK
BICK
BICK
DAUX
SDOUT
SDIN1
SDIN2
SDIN3
AK4527
RX1
LRCK
MCKO
DIR
AK4110
AC3
XTO
XTI
BICK
SDTO
RX2 RX3 RX4
LRCK
BICK
SDIN
SDOUT1
SDOUT2
SDOUT3
ADC
HPF
LOUT1
ROUT1
DAC
LPF
DATT
DAC
LPF
DATT
DAC
LPF
DATT
DAC
LPF
DATT
DAC
LPF
DATT
DAC
LPF
DATT
LOUT2
ROUT2
LOUT3
ROUT3