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SCH07 SoundBar 7 BLUETOOTH
From the page of MTK8301
BT_CON
MT_TX
BT_STATES
TO the page of MTK8301
MT_RX
SF CS
R42
R42
33
33
1
1
SF CK
R41
R41
33
33
2
2
SF DO
R40
R40
3
33
33
3
4
4
XP2
XP2
BT_STATES
BT_CON
NC/4pin/1.25mm
NC/4pin/1.25mm
BT_RX
BT_STATES
Y7
Y7
Y6
Y6
Y5
Y5
BT_RX
SD_DAT
R7
R7
33
33
BT_TX
SPDIF_BT
SD_CLK
R9
R9
33
33
BT_TX
SD_CMD
R11
R11
33
33
SD_CMD
SF DO
BT_VCC
BT VDD
+5V
Q2
Q2
R12
R12
10
10
NPN_MMBT8050C
NPN_MMBT8050C
3.8v
R14
R14
150
150
R15
R15
C13
C13
120
120
C14
C14
0.1uF/16V/X7R
0.1uF/16V/X7R
10UF/10V/X7R
10UF/10V/X7R
ZD1
ZD1
BZV55C3V9/3.9V
BZV55C3V9/3.9V
CON2
CON2
NC/RF_3P_2GNDS
NC/RF_3P_2GNDS
R39
R39
0/NC
0/NC
BT_ANT
U1
U1
C1
C1
R2
R2
1
16
SF CK
0.75pF/50V/HQC
0.75pF/50V/HQC
AGND
SPI_CLK
33
33
2
17
SF CS
MICINR
SPI_SS
3
18
MICINL
GPIOB11
SD_CLK
4
19
VRO
GND
C3
C3
5
20
BT_ANT
AOUTL
BT_ANT
Y1
Y1
Y2
Y2
6
21
AOUTR
RTCVDD
33pF/50V/NP0
33pF/50V/NP0
7
22
1K
1K
VRO_S
ONOFF
8
23
A_GND
BAT
9
24
C4
C4
GND
GND
BT_VCC
10
25
VCC
DC5V
11
26
GPIOA21
GND
R4
R4
0
0
SD_DAT
12
27
GPIOA23
GND
13
28
GPIOA22
AUX0R
14
29
GPIOA16
AUX0L
15
30
SPI_MOSI
AVCC
2823
2823
SF 3V3
FB2
FB2
500Ω/200mA
500Ω/200mA
SF 3V3
C11
C11
C12
C12
0.1uF/16V/X7R
0.1uF/16V/X7R
R13
R13
4.7K
4.7K
0.1uF/16V/X7R
0.1uF/16V/X7R
Y3
Y3
U2
U2
SF CS
1
8
CS
VCC
2
7
DO
HOLD
SF 3V3
3
6
R16
R16
33
33
SF CK
WP
CLK
Y4
Y4
4
5
R17
R17
33
33
SF DO
GND
DI
W25Q16DVVSSIG
W25Q16DVVSSIG
C15
C15
NC/10pF/50V/NP0
NC/10pF/50V/NP0
14
3
3
2
2
TP1
TP1
R1
R1
2.4nH
2.4nH
C2
C2
0.3pF/50V/HQC
0.3pF/50V/HQC
BT VDD
FB1
FB1
500Ω/200mA
500Ω/200mA
R5
R5
1M
1M
Q1
Q1
R6
R6
3DG3904M
3DG3904M
BT_CON
R10
R10
47K
47K
R8
R8
560KΩ/±5%
560KΩ/±5%
100K
100K
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