A
A
B
B
C
C
D
D
E
E
1 1
2 2
3 3
4 4
to MCU
TO MCU CONTROL
TO DSP
D1
C228 EMC
STB3V3
POWER_ON
VREF
VREF
VREF
FA
TEM
STAT1
PG
STAT2
STAT2
PG
STAT1
AUX_ROUT
AUX_LOUT
POWER_ON
AMP
BTT_ADC
BTT_ADC
AUX_ROUT
AUX_LOUT
RST_ON/OFF
AIR_Airplay
AIR_Airplay
TEM
MCU_PW
FA
BAT
BAT
Vsys
RST_ON/OFF
PW_EN
PW_EN
MCU_PW
AMPAMP
19V_IN
STB3V3
19V_IN VCC_AMP
Vsys
AMP
MCU3V3
11V1
STB3V3
BAT
3V3
STB3V3
19V_IN
Vsys
STAT1
10
PG
10
STAT2
10
AUX_LOUT
7
AUX_ROUT
7
POWER_ON
10
BTT_ADC
10
AIR_Airplay
10
PW_EN
10
MCU_PW
10
ADPTER_IN
R44 100KR44 100K
R48
NC/4.7
R48
NC/4.7
R12 100R12 100
C22
0.1uF/25V/Y5V
C22
0.1uF/25V/Y5V
R6 R0.03R6 R0.03
R288 10RR288 10R
R32
2.2
R32
2.2
D2 SS24/40V/2AD2 SS24/40V/2A
R9
1K
R9
1K
C24
10uF/10V/Y5V
C24
10uF/10V/Y5V
+
CE3
47uF/25V
+
CE3
47uF/25V
Q5
N_AP2328
Q5
N_AP2328
R5
100K
R5
100K
R57
15K/1%
R57
15K/1%
C40
10uF/10V/Y5V
C40
10uF/10V/Y5V
C42
0.1uF/25V/Y5V
C42
0.1uF/25V/Y5V
C44
3300pF/50V/X7R
C44
3300pF/50V/X7R
Q3P_AP2305 Q3P_AP2305
G
D S
C10
0.1uF/25V/Y5V
C10
0.1uF/25V/Y5V
R16
10K
R16
10K
Q2 P_AP2305Q2 P_AP2305
G
DS
L2 33uH/3AL2 33uH/3A
C13 22pF/50V/NP0C13 22pF/50V/NP0
R42 10KR42 10K
R2 0.01R2 0.01
R286
4.7K
R286
4.7K
R269
680K 5%
R269
680K 5%
XP1
10PIN/2.0mm
XP1
10PIN/2.0mm
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
R553
1.2K
R553
1.2K
D9 SS24/40V/2AD9 SS24/40V/2A
L3 10uH/2AL3 10uH/2A
R14
430k/1%
R14
430k/1%
C60
100 PF 50V +/-5%
C60
100 PF 50V +/-5%
Q7
NPN_3DG3904M
Q7
NPN_3DG3904M
C243
1000pF/50V/X7R
C243
1000pF/50V/X7R
R557
1K/1%
R557
1K/1%
U5
EUP3482A
U5
EUP3482A
BS
1
IN
2
SW
3
FB
5
COMP
6
GND
4
SS
8
EN
7
C5
0.1uF/25V/Y5V
C5
0.1uF/25V/Y5V
+
CE5
47uF/35V
+
CE5
47uF/35V
C25
0.1uF/16V/X7R
C25
0.1uF/16V/X7R
C1 0.1uF/25V/Y5VC1 0.1uF/25V/Y5V
R36
100K
R36
100K
Q26
N_AP9476
Q26
N_AP9476
G
4
D
7
S
2
S
1
S
3
D
8
D
6
5
D
R2827K/5% R2827K/5%
Q8
NPN_3DG3904M
Q8
NPN_3DG3904M
R276
100K
R276
100K
C20
0.1uF/25V/Y5V
C20
0.1uF/25V/Y5V
R124
10K
R124
10K
R285
10R
R285
10R
R58
680k
R58
680k
C46
4.7UF/25V/X7R
C46
4.7UF/25V/X7R
R19 499K 1%R19 499K 1%
R175
10K
R175
10K
C34
0.1uF/25V/Y5V
C34
0.1uF/25V/Y5V
+
220uF/35V
CE4
+
220uF/35V
CE4
TP33TP33
C18
0.1uF/25V/Y5V
C18
0.1uF/25V/Y5V
R120
10R
R120
10R
R1
10
R1
10
R52
4.7K
R52
4.7K
R21 100KR21 100K
TP1TP1
C26
1000pF/50V/X7R
C26
1000pF/50V/X7R
C47
0.1uF/25V/X7R
C47
0.1uF/25V/X7R
C28 1000pF/50V/X7RC28 1000pF/50V/X7R
C15
0.047uF/50V/Y5V
C15
0.047uF/50V/Y5V
Q4
N_AP2328
Q4
N_AP2328
TP32TP32
R556
30K/1%
R556
30K/1%
R10 9.1K/1%R10 9.1K/1%
R51
39K 1%
R51
39K 1%
C228
100pF/50V/NP0
C228
100pF/50V/NP0
U1
BQ24617
U1
BQ24617
ACN
1
ACP
2
/ACDRV
3
CE
4
STAT1
5
TS
6
TTC
7
/PG
8
STAT2
9
VREF
10
ISET1
11
VFB
12
SRN
13
SRP
14
ISET2
15
ACSET
16
GND
17
REGN
18
LODRV
19
PH
20
HIDRV
21
BTST
22
/BATDRV
23
VCC
24
POWERPD
25
+
CE1
47uF/35V
+
CE1
47uF/35V
C37
1uF/25V/Y5V
C37
1uF/25V/Y5V
FB3 300/2AFB3 300/2A
C11
0.1uF/25V/Y5V
C11
0.1uF/25V/Y5V
R552
10K
R552
10K
C120.1uF/25V/Y5V C120.1uF/25V/Y5V
R13
100K
R13
100K
C21 100PFC21 100PF
R287 10RR287 10R
C27
0.01uF/50V/X7R
C27
0.01uF/50V/X7R
C225
100pF/50V/NP0
C225
100pF/50V/NP0
FB26 300/2AFB26 300/2A
R268
220K 1%
R268
220K 1%
+
CE19
47uF/35V
+
CE19
47uF/35V
R41
2.4K/1%
R41
2.4K/1%
R25 100KR25 100K
R18
10K
R18
10K
R30
0
R30
0
C6
0.1uF/25V/Y5V
C6
0.1uF/25V/Y5V
R2733K/1% R2733K/1%
C235
0.1uF/25V/Y5V
C235
0.1uF/25V/Y5V
Q10 P_AP2305Q10 P_AP2305
G
DS
R555
150K/1%
R555
150K/1%
R47
56
R47
56
C8
10uF/16V/X5R
C8
10uF/16V/X5R
R17
10K
R17
10K
C17
0.1uF/25V/Y5V
C17
0.1uF/25V/Y5V
R75 10RR75 10R
Q12
NPN_3DG3904M
Q12
NPN_3DG3904M
C3
100 PF 50V +/-5%
C3
100 PF 50V +/-5%
L1 6.8uH/2.4AL1 6.8uH/2.4A
D11
MBRX140/40V/1A
D11
MBRX140/40V/1A
R20
10K
R20
10K
D
SG
Q9PMN50XP
D
SG
Q9PMN50XP
2
3
4
1
5
6
FB21 300/3AFB21 300/3A
R125
10R
R125
10R
FB28
300/2A
FB28
300/2A
C4
0.1uF/25V/Y5V
C4
0.1uF/25V/Y5V
R4
100K
R4
100K
C19
1uF/25V/X7R
C19
1uF/25V/X7R
FB25 300/2AFB25 300/2A
XP2
3PIN/2.0mm
XP2
3PIN/2.0mm
1
1
2
2
3
3
C39
100pF/50V/NP0
C39
100pF/50V/NP0
D12
MBRX140/40V/1A
D12
MBRX140/40V/1A
R35
0
R35
0
R26 100KR26 100K
C23
0.1uF/16V/X7R
C23
0.1uF/16V/X7R
C9
0.1uF/25V/Y5V
C9
0.1uF/25V/Y5V
R2932.4K/1% R2932.4K/1%
C7
1uF/25V/Y5V
C7
1uF/25V/Y5V
R611.8K/1% R611.8K/1% R3830K/1% R3830K/1%
R31 10KR31 10K
R22100K 1% R22100K 1%
C38
NC/100pF/
50V/NP0
C38
NC/100pF/
50V/NP0
C41
0.1uF/25V/Y5V
C41
0.1uF/25V/Y5V
C35
0.01uF/50V/X7R
C35
0.01uF/50V/X7R
R56
7.5K
R56
7.5K
R24
10K
R24
10K
C14
1uF/25V/Y5V
C14
1uF/25V/Y5V
R23680R 1% R23680R 1%
FB24 300/3AFB24 300/3A
FB1
300/2A
FB1
300/2A
C33
330pF/50V/X7R
C33
330pF/50V/X7R
R54
1M
R54
1M
FB29 300/2AFB29 300/2A
R37 0.01RR37 0.01R
U2
DC-DC_8P_LM3478
U2
DC-DC_8P_LM3478
SEN
1
COMP
2
FA/SD
7
AGND
4
VIN
8
DR
6
PGND
5
FB
3
GND
9
D8 SK34/40V/3AD8 SK34/40V/3A
C58
0.1uF/25V/Y5V
C58
0.1uF/25V/Y5V
D1 MBRX140/40V/1AD1 MBRX140/40V/1A
R34 51K/1%R34 51K/1%
C29
0.1uF/16V/X7R
C29
0.1uF/16V/X7R
C237
0.1uF/25V/Y5V
C237
0.1uF/25V/Y5V
R33 0R33 0
R126
10R
R126
10R
C242
0.1uF/25V/Y5V
C242
0.1uF/25V/Y5V
TP3TP3
R40 1.8K/1%R40 1.8K/1%
C49
10uF/16V/X5R
C49
10uF/16V/X5R
R39
1.8K/1%
R39
1.8K/1%
7-3 7-3
Main Board Circuit Diagram:POWER&CHARGE
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