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6-14
A
Main Board Circuit Diagram: FE MOTOR DRIVER
VCC
VCC
VCC
12V_P
VCC1
12V_P
FB706
FB10/2A
1
1
VCC
2
FB707
FB10/2A
2
GND
3
3
C20
4
4
4.7uF/16V
5
FB708
FB10/2A
5
12V_P
FB711
FB10/2A
R16
0R
6
N12V
6
1
7
7
8
FB712
FB10/2A
8
5V_STBY
8PIN/2.5MM
J1
5VS
R19
N12V
R18
5V_STBY
0R
0R/NC
OPWRSB
R22 0R/NC
R21
0R/NC
ON
POWER
CONNECTOR
mark power net at connector bot
3.3V_STBY
5V_STBY
U5
R13
0
100MA(Max)
1
5
VIN
VOUT
close to DC/DC
close to LDO
C3
C4
2
GND
2.2uF/10V
4.7uF/10V
3
4
EN
NC
G9091-330T11U
SOT-25/SMD
STBY
3.3V
µ
DO/
100UA/
300MA
POWER
5V_STBY
3.3V_STBY
C
2
1
B
E
3
2
2N3904
R27
R36
R42
R32
1.5K/1%
3.3K
33K/NC
10K
R30
100
R34
Q3
Q4
R40
3DG3904M
3DG3904M
2.7K
100K/NC
VCC
R/R to Q3.b
5.000V
0.772V
4.532V
0.700V
3.885V
0.600V
3.237V
0.500V
VCC
C
2
1
3
B
E
2N3904
R33
R31
R38
15K/1%
3.3K
100K
0603
R35
100
DC_EN
R28
Q1
Q2
3DG3904M
3DG3904M
C38
27K
0.1uF/50V/X7R
0603
VCC
R/R to Q1.b
5.000V
0.772V
3
4.532V
0.700V
3.885V
0.600V
3.237V
0.500V
4
A
B
VCC
VCC
C31
0.1uF/25V
C925
C46
R12
10
22uF/10V
0.1uF/25V
R3
2.4K/1%
1.1V_EN
R20
C26
10K
0.1uF/25V
VCC
0.1uF/25V
R24
10
R1
100K/NC
DC_EN
1.1V_EN
R39
30K/NC
RESET
R11
20K/NC
CIRCUIT
C29
0.1uF/16V/NC
TP1
RESET#
0.1uF/25V
C18
C45
10uF/10V
VCC
close to IC
C14
10uF/10V
R6
U3
G966A
10K/NC
4
VPP
3
VIN
DC disable
DC_EN
2
VEN
CIRCUIT
1
POK
C5
10uF/16V/50V/X7R
3.3V
1A Regulator
3
2
IN
OUT
+
CE904
100uF/16V
U1
AS1117
M1
1
8
1
8
2
7
2
7
3
6
3
6
4
5
4
5
100115/SO
M
B
C
C33
behind of Caps
R930
0
0.1uF/25V
Close to DC-DC
C16
U2
R926
0
10uF/10V
C15
R922
1
8
VCC
VIN
10uF/10V
L2
2.2uH/3A
330
7
LX
DC Current: 4.1A
5
EN
Saturation Current: 6.4A
C8
4
1.1V_FB
R2
DC resistor: 15mOHM
FB
22uF/10V
3
GND
C1
5.6K/1%
2
REF
0.1uF/25V
1.1V_FB
AIM 1.15V: 0.8*(6.65+15)/15=1.155V
9
6
TP
PGND
AIM 1.2V: 0.8*(7.87+15)/15=1.22V
C34
G5693
0.1uF/25V
R7
15K/1%
(pin to pin with G5627)
3.2A
R934
behind of Caps
C32
0.1uF/25V
R927
0
Close to DC-DC
C30
U4
C11
10uF/10V
R928
1
8
C12
10uF/10V
560
VCC
VIN
L1
2.2uH/3A
7
LX
DC Current: 4.1A
5
EN
Saturation Current: 6.4A
1.5V_FB
C17
4
DC resistor: 15mOHM
FB
22uF/10V
R4
3
GND
C2
2
13K/1%
REF
0.1uF/25V
1.5V_FB
9
6
TP
PGND
AIM 1.5V: 0.8*(13.3+15)/15=1.509V
C35
0.1uF/25V
G5693
R5
15K/1%
(pin to pin with G5627)
3.2A
3.3V
700MA
R10
5
NC
R9
+
CE903
6
15K/1%
VO
100uF/16V
AIM 3.3V: 0.8*(15+4.75)/4.75=3.326V
C44
7
ADJ
0.1uF/25V
8
R29
GND
9
4.7K/1%
TP
1.2V
POWER
A1.2V
1.2V
R17
0
+
C41
CE905
0.1uF/25V
100uF/16V
M2
1
8
1
8
2
7
2
7
3
6
3
6
4
5
4
5
100115/SO
C
6-14
D
CNT
1.1V
POWER
1.1V
RESET#
RESET# (7)
OPWRSB
OPWRSB
C10
C9
22uF/10V
0.1uF/25V
1.5V
0
POWER
1.5V
1200MA
C13
C43
22uF/10V
0.1uF/25V
3.3V
POWER
A3.3V
0
D
E
1
2
3
4
E
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