SCH02 Bar MAIN MCU
MCU
Oscillator
Reset
Upgrade
Print log
MCU_RST
YO
YI
SWDIO
IR_IN
LED_SDA
M
C
U
_C
EC
YO
MCU_RST
SWCLK
SWDIO
SWCLK
UART2_TX
U
AR
T2
_R
X
MCU_RX
MCU_TX
MCU_CEC
YI
UART2_RX
UART2_TX
MCU_3V3
MCU_3V3
MCU_3V3
MCU_3V3
MCU_3V3
MCU_3V3
MCU_3V3
STB_3V3
MCU_3V3
MCU_3V3
MCU_3V3
IR_IN
MT8516_TX
MT8516_RX
M
T8
516_
PO
W
ER
M
C
U
_I
N
T
KEY_POWER
HDMI_CEC
W
AKE
U
P
H
D
M
I_S
C
L
H
D
M
I_S
D
A
HPLG
C32
NC/4.7UF
U6
STM32F071C8T6
VBAT
1
PC13
2
PC14
3
PC15T
4
PF0
5
PF1
6
NRST
7
VSSA
8
VDDA
9
PA0
10
PA1
11
PA2
12
PA
3
13
PA
4
14
PA
5
15
PA
6
16
VD
D
24
VS
S
23
PB
11
22
PB
10
21
PB
2
20
PB
1
19
PB
0
18
PA
7
17
PA11
32
PA10
31
PA9
30
PA8
29
PB15
28
PB14
27
PB13
26
PB12
25
PA12
33
PA13
34
VSS
35
VDDIO2
36
VD
D
48
VS
S
47
PB
9
46
PB
8
45
BO
O
T0
44
PB
7
43
PB
6
42
PB
5
41
PB
4
40
PB
3
39
PA
15
38
PA
14
37
C
21
10
U
F/6
.3
V/X5
R
C
23
0.1u
F/1
6V
/X7
R
C28
0.1uF/16V/X7R
R25
0
Ω
/0402
R145
0
TP1
C
24
0.1u
F/1
6V
/X7
R
R28
NC/1M
R29
10K
R21
0
Ω
/0603
R22
0
Ω
/0402
C
22
0.1u
F/1
6V
/X7
R
TP3
R32
1K
TP4
C
27
0.1u
F/1
6V
/X7
R
R
24
5
0
Ω
/04
02
C29
NC/20pF/50V/NP0
C
25
0.1u
F/1
6V
/X7
R
R23
0
Ω
/0402
C
26
N
C
/10
uF
/6
.3V
/X5
R
TP8
NC/12MHz +-20ppm
Y1
1
2
3
4
R19
4.7K
Q13
N_2SK3018
G
D
S
C30
NC/20pF/50V/NP0
TP2
XP8
4PIN/1.25mm
1
1
2
2
3
3
4
4
G
ND
5
G
ND
6
TP9
R20
NC/4.7K
R
27
0
Ω
/04
02
C31
0.1u
F/1
6V
/X7
R
XP2
4PIN/1.25mm
1
1
2
2
3
3
4
4
G
ND
5
G
ND
6
R244
27K
10
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