5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
Audio Amp
Audio power plan
Volumn key pad
Audio jack
for external
active speaker
Line-Out
close to connector
close to IC
Microphone (A-mic)
Main chip audio part
Connecting the GNDs together and then to main GND through signle via
Level shift circuit
AEC external loop back circuit
Silkscreen TOP
"Vol+"
Silkscreen TOP
"Vol-"
Place together
Place close to Audio Amp
Place close to Audio Amp
AU_AMP_SD
AU_AMP_VOLN
AU_AMP_VORN
AU_HPR
AU_HPL
AU_HPL
AU_HPR
AU_AMP_MUTE
AU_AMP_SD
AU_AMP_VORP
AU_AMP_VOLP
KPROW 0
KPROW 2
AU0_VIN0_P
AU0_VIN0_N
AU0_VIN1_P
AU0_VIN1_N
AU1_VIN0_P
AU1_VIN0_N
PVCCL
Audio_VCC_5V
AVCC
PVCCR
EXUSB_5V
Audio_VCC_5V
AVCC
PVCCR
PVCCL
MIC_MICBIAS0
MIC_MICBIAS0
IC_VCCIO
USB_3V3
MediaTek Inc.
5F No.5 Tai-Yuan 1st St.
Chupei City, Hsinchu County 30265, Taiwan, R.O.C.
Title
Size
Document Number
Drawn
Rev
Date:
Sheet
of
MT7933_BGA_RFB
<Size>
05-Audio
2.2
W ednesday, February 09, 2022
6
7
MediaTek Inc.
5F No.5 Tai-Yuan 1st St.
Chupei City, Hsinchu County 30265, Taiwan, R.O.C.
Title
Size
Document Number
Drawn
Rev
Date:
Sheet
of
MT7933_BGA_RFB
<Size>
05-Audio
2.2
W ednesday, February 09, 2022
6
7
MediaTek Inc.
5F No.5 Tai-Yuan 1st St.
Chupei City, Hsinchu County 30265, Taiwan, R.O.C.
Title
Size
Document Number
Drawn
Rev
Date:
Sheet
of
MT7933_BGA_RFB
<Size>
05-Audio
2.2
W ednesday, February 09, 2022
6
7
C53
C/33pF/0201
C0201
2
1
R724
2K_1%
R0402
C75
C/1/uF/0402
C64
C/1uF/0402
C0402
BEAD3
BLM18BD252SN1
BEAD0603
2
1
C71
C/0.1uF/0201
C0201
C38
C/0.1uF/0201
U8
SPU0410LR5H-1
O
U
T
1
V
D
D
4
G
N
D
1
3
G
N
D
2
6
G
N
D
3
5
G
N
D
0
2
R45
R/0/ohm/0402
C62
1nF/16V/X7R
C0201
C45
C/1uF/0402
C0402
R21
R/0/ohm/0402
R0402
C72
C/1uF/0402
C0402
C493
C/1uF/0402
C0402
J7
1
2
C498
C/3.3pF/0201
C0201
Q2
NPN_3DG3904M
SOT-23/3P/SMD/MMBT3904
1
2
3
R727
30K_1%
R0402
C492
C/1uF/0402
C0402
R35
NC/1K/0402
1
2
C47
C/15pF/0201
C0201
C74
C/1/uF/0402
TP2
DIP1/P2.54
VR3
EZJZ0V800AA
VR0402
1
2
C60
C/1/uF/0402
C46
C/2.2uF/0402
C0402
BEAD5
BLM18BD252SN1
BEAD0603
2
1
C54
C/15pF/0201
C0201
C50
C/0.1uF/0201
C0201
C77
C/0.1uF/0201
C491
C/3.3pF/0201
C0201
R40
15K ohm
1
2
Audio_Amp_AD52058
U10
SD
1
FAULT
2
LINP
3
LINN
4
NC
5
NC
6
AVCC
7
AGND
8
GVDD
9
PLIM
10
RINN
11
RINP
12
NC
13
NC
14
PVCCL
28
PVCCL
27
BSPL
26
OUTPL
25
PGND
24
OUTNL
23
BSNL
22
BSNR
21
OUTNR
20
PGND
19
OUTPR
18
BSPR
17
PVCCR
16
PVCCR
15
E
-P
a
d
2
9
D6
AU0521M1/NC
DIODE/SMD/AU0521M1
C68 C/0.22uF/0201
C0201
R41
NC/100K/0402
1
2
L2
B1047AS-220M=P3
L/IND/SMD/DS75LC
J88
1
2
C495
C/1uF/0402
C0402
J6
HEADER 3X1
+
1
+
2
+
3
C57
C/10uF/0402
AU_SPKL_P1
PAD/1P/SMD/1X2.5
R34
R/100K/0201
R0201
R32
R/100K/0201
R0201
C73
C/1uF/0402
C0402
AU_SPKR_N1
PAD/1P/SMD/1X2.5
C65 C/0.22uF/0201
C0201
R42
0/NC
AU_SPKL_N1
PAD/1P/SMD/1X2.5
C497
C/10nF/0201/16V/10%
C0201
1
=
3
2=4
SW 3
SW -PUSHBUTTON
SW 4P/DIP/FLAT
1
2
3
4
C70
C/0.1uF/0201
C0201
R25
R/0/ohm/0402
1
2
R29
R/470/0201/1%
R0201
1
2
C67
C/0.1uF/0201
C0201
VR2
EZJZ0V800AA
VR0402
J86
1
2
R31
R/1K/0402/1%
1
2
C52
C/33pF/0201
C0201
2
1
C76
C/0.22uF/0201
C0201
BEAD2
BLM18BD252SN1
BEAD0603
2
1
R33
R/100K/0201
R0201
C490
C/10nF/0201/16V/10%
C0201
R44
NC/1K/0402
1
2
J10
1
2
J85
1
2
R27
R/0/ohm/0402
R0402
C63
C/1uF/0402
C0402
C43
C/0.1uF/0201
C494
C/100pF/50V/10%
C0201
C44
C/0.1uF/0201
C0201
J11
1
2
D5
AU0521M1/NC
DIODE/SMD/AU0521M1
R20
R/0/ohm/0402
R0402
R24
R/0/ohm/0402
1
2
R726
30K_1%
R0402
L5
B1047AS-220M=P3
L/IND/SMD/DS75LC
C496
C/1uF/0402
C0402
C35
C/0.1uF/0201
VR4
EZJZ0V800AA
VR0402
1
2
C61 C/0.22uF/0201
C0201
C48
C/2.2uF/0402
C0402
BEAD4
BLM18BD252SN1
BEAD0603
2
1
R729
R/4.7K/0402/5%
R0402
1
=
3
2=4
SW 2
SW -PUSHBUTTON
SW 4P/DIP/FLAT
1
2
3
4
C78
C/10uF/0402
TP1
DIP1/P2.54
C49
C/1uF/0402
C0402
C69
C/1uF/0402
C0402
J9
1
2
L3
B1047AS-220M=P3
L/IND/SMD/DS75LC
U9
SPU0410LR5H-1
O
U
T
1
V
D
D
4
G
N
D
1
3
G
N
D
2
6
G
N
D
3
5
G
N
D
0
2
J8
3.5mm earphone/EJ78-S-PF
AUDIOJACK/4P/SMD/EJ78-S-PF/ROKI
HPR2
4
HPL2
6
HPL1
5
HPR1
3
GND
1
MIC
2
C59
C/1/uF/0402
R22
R/0/ohm/0402
1
2
AU_SPKR_P1
PAD/1P/SMD/1X2.5
C58
C/0.1uF/0201
C0201
R728
R/4.7K/0402/5%
R0402
J89
1
2
C55
C/2.2uF/0402
C0402
L4
B1047AS-220M=P3
L/IND/SMD/DS75LC
R725
2K_1%
R0402
Q1
NPN_3DG3904M
SOT-23/3P/SMD/MMBT3904
1
2
3
C56
C/0.1uF/0201
U11
NLSX4373
UDFN8/SMD/P0.4/NLSX3373
IOVL1
2
IOVL2
3
VL
1
GND
4
VCC
8
IOVC1
7
IOVC2
6
EN
5
VR1
EZJZ0V800AA
VR0402
C66
C/1uF/0402
C0402
C51
C/2.2uF/0402
C0402
C41
C/0.1uF/0201
R39 100 ohm
1
2
R26
R/0/ohm/0402
R0402
R19
R/0/ohm/0402
1
2
R38
18K_1%
R0201
R30
R/10K/0402/1%
R0402
R28
R/470/0201/1%
R0201
1
2
J24
HEADER 3X1
+
1
+
2
+
3
AU_AMP_SD_A
AU_SPKL_P0
AU_SPKL_P1
AU_SPKL_N0
AU_SPKL_N1
AU_SPKR_N0
AU_SPKR_P0
AU_HP_R
HP_R
AU_HP_L
HP_L
AU0_VIN0_P
AU0_VIN0_N
AU0_VIN1_P
AU0_VIN1_N
AU_SPKR_N1
AU_SPKR_P1
AU_SPKL_P1
AU_SPKL_N1
AU1_VIN0_P
AU1_VIN0_N
Pro
vid
ed
by
AcS
ip
Pro
vid
ed
by
AcS
ip
Pro
vid
ed
by
AcS
ip
