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F
RD-C313/C515
LS-C313/C515
GND
C575
100u6.3
VVCC3
+
C567
C566
GND
0.1
1
C576
GND
100u6.3
C545
+
C570
0.1
GND
GND
0.1
GND
ADAC AVSS
DAC AVDD
GPIO38
GPIO37/I2S XCK
GPIO36/I2S BCK
GPIO35/I2S LRCK
GPIO34/I2S D0
GPIO33/I2S D1
GPIO32/I2S D2
GPIO31/I2S DIN
GPIO30
GPIO29/SPDIF IN
GPIO28/SPDIF OUT
M BA1/GPIO27
M DQM0
C531
220u10
GND
+
C538
0.01
GND
SDVCC3
GND
GND
SDVCC3
CD+5V
18
MAIN (2/4)
G
AMP-
W-1
2/4
CN801
VCC3
1
2
3 4 5
64
AGND
L514
22
63
AVCC3
62
VREF
R571
0
AGND
GND
61
R561
60
T6
XCK
R562
59
T4
BCK
R563
58
T5
LRCK
R565
57
T3
D0
56
55
54
R541
47K
53
R540
52
10K
GND
51
50
M A3
A3
49
M A2
A2
48
M A1
A1
47
M A0
A0
46
M A10
A10
45
44
M BA0
A11
43
M RAS
RAS
42
M CAS
CAS
41
M WE
WE
40
DQML
39
M A4
A4
VCC3
MCU+3.3V
U902
D704
OUT
IN
C551
GND
100u16
+
C556
0.1
GND
C550
Q913
0.1
C558
0.1
C552
R931
0.1
GND
10K
Q914
C553
0.1
C554
0.1
GND
C555
0.1
GND
H
20
18
16
14
CN502
CN501
19
17
15
13
L513
R535 VAR
GND
R537 VAR
R538 VAR
D-
GND
R544 VAR
Q504
R545 VAR
Q500
D+
R546 VAR
GND
R524
D104
Q100
10K
R533
R528
10K
100K
GND
GND
ON+5V
VCC3
∗
C
U201
C206
1
Y0
1
2
Y2
3
Y
4
Y3
Y1
5
6
EN
7
VEE
8
GND
AGND
C261
BT-R
1
C804
R802
HP-L
1
39K
AGND
C803
R801
HP-R
1
39K
AGND
+9V
AGND
1
3
5
7
9
11
2
4
6
8
10
12
CN207
U-4
2/4
I
SD-
AI-4
3/4
CN901
12
10
8
6
4
2
11
9
7
5
3
R587 10K
R585 10K
GND
R584 10K
GND
R588 10K
R589 10K
R586 2.2K
Q503
R507
47K
R508
100K
FB508
1K
VCC3
MCU+3.3V
+9V
+5V
ON+5V
∗
R215
0
AGND
AGND
16
VCC
AGND
X2
15
X1
14
C203
X
13
1
X0
12
X3
11
S0
10
S1
9
AGND
Q202
ON+5V
AGND
AGND
AGND
U803
R807
12K
AGND
AGND
AGND
AGND
R814
ON+5V
22
+5V
13
15
17
19
21
1
3
14
16
18
20
22
2
CN200
AMP-
CN205
J
1
U103
START/STOP
LOGIC
LOAD
CO
DEVICE
ADDRESS
COMPARATOR
1
A0
D
R/W
2
A1
A
3
A2
C
4
GND
D IN
D OUT
R210
D.LINK-L
8.2K
R209
D.LINK-R
8.2K
R206
C204
6.8K
1
R205
6.8K
AGND
Q203
R258
R934
10K
10K
AGND
+3.3V
MUTE
D.LINK-CT
R820
R818
10K
R851
Q806
1K
R825
Q804
1K
AGND
AGND
Q803
R850
10K
Q805
C810
AGND
220u10
AGND
+
Q802
C811
Q801
220u10
+
ON+5V
+3.3V
+5V
GND
5
7
9
11
13
15
17
4
6
8
10
12
14
16
AMP-
U-2
2/4
CN204
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