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2 Schematic Diagram
2.1.
A-Board (1/10)
A-BOARD (1/10)
A
MTK
TO 10/10
R0900
R0934
MTK_SCL
P
IIC_0
MTK_SDA
P
R0935
B
C
R0906
2.7k
R0998
DMD_SDA
P
D
IIC_DMD
R0999
DMD_SCL
P
E
R0983
R0908
FACT_MODE_SCL
P
IIC_STM
FACT_MODE_SDA
P
R0909
F
R0979
SOFT_SDA
S
TO 10/10
SOFT_SCL
S
R0980
1
2
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SUFFIX: UD
R077
0
R068
U
0
D
SUB3.3V
R0901
2.7k
2.7k
PF5H
TEMP SENSOR
R0921
R0920
R0919
R0918
TO 3/10
TO 7/10
P3V_SCL02
BE_SCL3
P3V_SDA02
BE_SDA3
STB3.3V
R0907
2.7k
R0985
R0986
STM E2PROM
TO 7/10
STM-EEP_SCL
STM-EEP_SDA
STB3.3V
R0984
2.7k
2.7k
SUB3.3V
R0981
R0982
3.3k
3.3k
MA_TER_TUNER_SDA
TO 2/10
MA_TER_TUNER_SCL
3
4
FOR
FACTORY
USE
R_LED
14
TP0903
USBBOOT
13
TP0920
EEP_WP
12
TP0900
SBO
11
TP0901
SBI
10
Normal SDA
9
R0962
Normal SCL
68
8
TP0904
Standby SDA
7
TP0905
Standby SCL
6
FACT MODE SDA
5
FACT MODE SCL
4
TP0908
GND
3
SUB5V
TP0909
STM_SRQ
2
TP0910
1
CN0100
5
6
7
3
STB3.3V
SUB3.3V
R0974
R0975
R0970
47k
47k
47k
R0949
1k
TO 6/10
SG_FACT
R0978
68
EEP_WP
TO 7,10/10
R0948
1k
TO 10/10
SG_BOOT
UART_TX
TO 10/10
UART_RX
R0947
68
8
9
9
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