Schematics

1
1
2
2
3
3
4
4
D D
C C
B B
A A
Q6
WNM002
Q7
M5085
R31
5K6
R38
Comment: 100K
R32
120K
R37
47R
R48
270R
C39
102P
L5
15nH
C55
30P
C44
102P
L4
0.4*1.5*8T
L3
101T
C45
103P
C40
104P
C65
18P
C61
27P
C37
3P
C66
47P
C33
X
L9
220NH
C63
470P
D1
BA592
C67
X
C85
470P
C88
2P
C92
5P
C79
2P
C89
6P
C90
X
L12
0.35*1.5*4T
L13
0.35*1.5*4T
L16
3K3
L7
0R
C74
8P
A0
1
A1
2
GND
4
DA
5
CK
6
A2
3
WP
7
Vcc
8
U2
24C08
C53
100P
C4/C6
470P
R63
100R
3
2
5
4
1
J2
SPK2.5MM
3
2
5
4
1
J1
MIC3.5MM
M1/M2
MIC
CS
1
Bp
2
+IN
3
-IN
4
Vo1
5
V+
6
GND
7
Vo2
8
U8
LM4890
SHX-3000 V1.3
SCH 202103
+
C105
100N
VCC
R65
150K
C100
100P
CK
2
DA
3
Vdd1
4
GND
5
OSC
6
VOIC
7
VDD
8
NC
1
U3
CHORD
C49
104P
R40
0R
C48
105P
R17
1K
R11
10K
R3
330R
C3
104P
3V3
R1
22K
R12
390K
3V3
R20
1K
3V3
R67
1K
3V3
R64
220R
C94
220P
R55
1K
R51
10K
3V3
R68
1K
C101
105P
ANT1
ANT
SW2
PTT
C14
4U7F
SP1
8R
+
C11
100UF/10V
C99
X
VT
C121
X
BAT
BATVT
C32
100P
VT
R41
47R
+
C104
100P
AFOU
R71
X
MIC
R73
1K5
USB-BAT
R72
1K
BAT
D6
GLED
D7
RLED
APCV
R33
1K
R56
1K
C113
100P
SW1
NOISE
KEY
C112
100P
Q10
DTC114EE
R69
470R
VCC
D4
GLED
LEDG
C38
470P
R70
Comment: 220R
VT
D5
RLED
R54
10K
3V3
C87
0R
C86
X
L11
X
RV3
50K
C54
12P
R36
6K8
L10
0.35*1.5*4T
C84
4P
CLK
SQ
DA
INT
AVDD
1
SCLK
2
SDIO
3
AVDD
4
XTAL1
5
XTAL2
6
MODE
7
SENB
8
AFOUT
9
NC
10
MIC_IN
11
Cc
12
AVDD
13
NC
14
RFIN
15
AVDD
16
NC
17
RFOUT
18
NC
19
NC
20
AVDD
21
PABIAS
22
AVDD
23
PDN
24
GPIO7/VOX
25
GPIO6/SQ
26
GPIO5/TXON
27
GPIO4/RXON
28
GPIO3/SDO
29
GPIO2/INT
30
GPIO1/CODE_IO
31
GPIO0/CSS_IO
32
U5
FD6818
L2
101T
3V3
C23
103P
C35
103P
C50
104P
C30
100P
C36
100P
VCC
3
ctrl
4
Fout
2
GND
1
Y1
26M
R27
470R
C29
470P
C28
39K
R26
470P
R25
10K
RV1
50K
R30
47K
R23
1K
E4
10UF
C24
100P
C51
103P
C22
100P
3V3
C47
NC
C26
103P
R22
1K
C25
102P
SEN
CSS
R60
1K
C111
100P
SW3
CH+
CH+
R59
1K
C110
100P
SW4
CH-
CH-
R52
10K
R53
10K
3V3 3V3
VCC
+
C17
10uF
+
C2
NC
3T
3V3
AFOU
B1
Battery
C1
100P
C18
100N
C16
103P
VR1
POT5
BAT
C93
104P
5M
GND
3V3
5MNC
U1
SG2463CB5ATR33
R2
10K
Q4
DTA114YE
25 26 27 28 29 30 31 32 33 34 35 36
24
23
22
21
20
19
18
17
16
15
14
13
12 11 10 9 8 7 6 5 4 3 2 1
48
47
46
45
44
43
42
41
40
39
38
37
U6
MCU
DAI2_LRCLK
1
DAI2_RX DAT
2
DAI2_TX DAT
3
DVDD 1
4
DAI3_BCLK
5
DAI3_LRCLK
6
IOVD D1
7
DAI3_RXDAT
8
DAI3_TXDAT
9
TEST_EN
10
AVDD28_PLL
11
AVDD18_OSC
12
RSTB
13
MCLK_IN
14
I2CS_SCL
15
I2CS_SDA
16
DVDD2
17
DAI0_BCLK
18
DAI0_LRCLK
19
IOVDD 2
20
DAI0_RXDAT
21
DAI0_TXDAT
22
DAI1_BCLK
23
DAI1_LRCLK
24
DAI1_RXDAT
25
DAI1_TXDAT
26
IOVDD3
27
DAI2_BCLK
28
U10
IG1202
C20
1UF
1V8
E1
4U7F
C46
104P
E3
4U7F
R21
2K2
3V3
C21
104P
E2
4U7F
R24
X
R28
105P
C27
X
R46
X
1V8
R47
X
1V8
1V2
1V8
1V8
1V2
R34
2K2
1V8
R29
2K2
1V8
LMICP
1
LMICN
2
LLIN/GPIO2
3
RMICP
4
RMICN
5
RLIN/GPIO3
6
FS
7
BCLK
8
ADCOUT
9
DACIN
10
MCLK
11
VSSD
12
VDDC
13
VDDB
14
CSB/GPIO1
15
SCLK
16
SDIO
17
MODE
18
LAUXIN
19
RAUXIN
20
AUXOUT1
21
AUXOUT2
22
RSPKOUT
23
VSSSPK
24
LSPKOUT
25
VDDSPK
26
VREF
27
VSSA
28
RHP
29
LHP
30
VDDA
31
MICBIAS
32
U4
NAU88C222
L1
2U2H
C5
104P
C7
102P
R4
1K
C8
104P
C15
104P
G
G
D
D
S
S
Q1
2SK1824
R8
1K
R13
100K
IO-2
R7
X
1V8
R43
X
1V8
R44
X
1V8
R39
2K2
1V8
R42
2K2
1V8
1V8
R35
100K
C41
104P
RES
C12
104P
R5
1K
C9
104P
G
G
D
D
S
S
Q2
2SK1824
R9
1K
R14
100K
C19
X
C106
X
AFOU
C107
100P
LEDG
APCV
KEY CH+ CH-
Q11
DTC114EE
R75
470R
VCC
D8
BLED
BLED
BLED
C96
220P
3V3 VR
Q8
DTA114YE
R49
100KF
C80
104P
R58
100KF
VCC
MIC
IO-1
IO-2
C109
105P
U11
4
5
61
2
3
FP6121
R45
47K
1V8
1V2
1
2
J3
USB
R74
1K5
R50
270K
C68
22P
C81
220P
C71
104P
3V3
X1
32K768
C69
20P
C70
20P
R18
820R
R19
470R
R57
270R
C64
X
C56
X
C52
X
C57
X
D2
HSC277
D3
HSC277
C83
12P
Q9
BF-1212
C76
103P
C78
103P
C73
103P
R78
100K
R77
56R
L14
15NH
R79
100K
R81
100K
C82
8P
R80
1M
R76
100R
L17
27NH
L19
27NH
C77
8P
VR
C122
X
C124
103P
C123
470P
C75
X
L8
0R
C91
X
C125
100P
L18
33NH
C114
100P
C115
102P
C116
100P
C117
X
C42
104P
C59
105P
C60
105P
C62
105P
C97
NC
C98
470P
C108
100P
BAT
L6
2N2H
C43
33R
C138
4U7F
C58
X
C129
X
C130
10UF
R61
1K
C131
104P
R62
1K
C132
104P
R82
1K
C133
104P
1 2 3 4
J5
3V3
3V3
R83
12K
R85
12K
R84
X
R86
X
L20
101T
R66
2K2
R15
10K
C34
7K5
C31
104P
C118
100P
C119
102P
C120
104P
C127
X
1V8
C128
105P
1V8
C134
104P
1V8
C135
105P
1V2
C136
104P
C72
X
VCC
1
/CHRG
2
/DONE
3
GND
4
PROG
5
CE
6
TEMP
7
BAT
8
U9
SG3221
R88
1R
R87
10K
3V3
C137
10UF
R90
1K
R89
1K
USB-BAT
C126
X
GMRS 30ch