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+5VA
+3.3V
R37
C58
10R
47uF/25V
FB2
FB0805
C59
100nF
C108
C49
47uF/25V
100nF
C56
100nF
C57
U12
100nF
XWM8740EDS
22
RST_SUB#
RST
1
WM_LRCLK
LRCLK
3
17
WM_BITCLK
BITCLK
VoutL+
2
16
WM_SDATA
SDATA
VoutL-
5
18
CLK_24_MHZ_4
MCLK
VmidL
4
47uF/25V
MODE8X
25
21
MUTE_LISTEN#
MUTE
ZERO
6
DIFFHW
23
12
CSBIWO
VoutR+
13
VoutR-
26
SDO
MISO/DM0
27
11
SCK
SCK/DM1
VmidR
28
CS_WM8740#
CS/I2S
24
47uF/25V
MODE
C41
100nF
G = 0.25 by software
C2
100nF
R3
24K
Subwoofer IN L
2
SUB in
G1
Subwoofer IN R
1
R4
J1A
24K
AV4-8.4-13/EC
+5VA
+5VA
C43
100nF
+5VA
12
1Y0
14
1Y1
15
1Y2
11
1Y3
1
2Y0
5
2Y1
2
2Y2
4
2Y3
C48
+5VA
C50
+5VA
C42
100nF
+5VA
12
1Y0
14
1Y1
15
1Y2
11
1Y3
1
2Y0
5
2Y1
2
2Y2
4
2Y3
C9
47uF/25V
C12
47uF/25V
FB6
100R
FB0805
C64
47uF/16V
U6
74HC4052D
R30
3K
C27
13
1Z
3
2Z
47uF/25V
10
R31
SO
9
47K
S1
6
E
C25
2A332J
R15
3K
C13
47uF/25V
R33
3K
C30
FB7
FB0805
47uF/25V
R32
C26
47K
2A332J
U7
74HC4052D
C16
R18
13
47uF/25V
1Z
3K
3
2Z
10
SO
SUB_SEL
9
S1
6
E
+15VA
R12
C29
100nF
U3A
NJM2068M
C119
R10
3
47uF/25V
470R
+
1
2
-
R16
C28
C14
47K
100nF
2A332J
-15VA
R27
100R
C107
47uF/16V
G = 4
U3B
NJM2068M
C120
R11
5
47uF/25V
+
470R
7
6
-
R17
C15
47K
2A332J
G = 4
Subwoofer OUT L
C
Q1
4.7K
C10
DTC343TK
330pF
B
E
SUB_MUTE_OUT
J1B
4
G2
SUB out
3
AV4-8.4-13/EC
Subwoofer OUT R
C
Q2
4.7K
C11
DTC343TK
330pF
B
E
SUB_MUTE_OUT
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