Alto A400.4 Dragonfly, Service Manual

Page: 7 / 24

1
2
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4
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78
A B C D
8
7
6
5
4
3
2
1
D C B A
C1
1
56p
F
/50 c
er
R5
10K
GND
CH
1
G
AI
N
C6
100p
F
/50 c
er
C9
47u
F
/25V
C5
100p
F
/50 c
er
C2
22u
F
/50V
GND
C1
22u
F
/50V
3 2
1
U1
A
N
JM
4580L
5 6
7
U1
B
N
JM
4580L
GND
R9 10K
GND
R1 15K
R4 10K
R3 10K
R2 15K
1 2 3
CN1 CO
N3
GND
CH
1
-I
N
R6 17K4
4 1
2 3
U2
VT
L
C1
2
56p
F
/50 c
er
R1
2
10K
GND
CH
2
G
AI
N
C7
100p
F
/50 c
er
C1
0
47u
F
/25V
C8
100p
F
/50 c
er
C4
22u
F
/50V
GND
C3
22u
F
/50V
3 2
1
U3
A
N
JM
4580L
5 6
7
U3
B
N
JM
4580L
GND
R1
3
10K
GND
R7 15K
R8 10K
R1
1
10K
R1
0
15K
1 2 3
CN2 CO
N3
GND
CH
2
-I
N
R1
4
17K4
4 1
2 3
U4
VT
L
8 4
U3
C
N
JM
4580L
8 4
U1
C
N
JM
4580L
8 4
U5
C
N
JM
4580L
3 2
1
U5
A
N
JM
4580L
5 6
7
U5
B
N
JM
4580L
C1
3
56p
F
/50 c
er
C1
4
56p
F
/50 c
er
C1
5
104P C1
6
104P
C1
7
104P C1
8
104P
C1
9
104P C2
0
104P
R2
5
10K
R2
6
82K
R2
7
10K
R2
9
82K
R2
8
10K
R3
0
10K
GND
GND
1 2 3
CN4 CO
N3
GND
+
15V
-15V
1 2 3
CN6 CO
N3
CH
2
-O
UT
CH
1
-O
UT
C3
0
56p
F
/50 c
er
R3
5
10K
GND
CH
3
G
AI
N
C2
8
100p
F
/50 c
er
C2
9
47u
F
/25V
C2
7
100p
F
/50 c
er
C2
4
22u
F
/50V
GND
C2
3
22u
F
/50V
3 2
1
U6
A
N
JM
4580L
5 6
7
U6
B
N
JM
4580L
GND
R3
9
10K
GND
R3
1
15K
R3
4
10K
R3
3
10K
R3
2
15K
1 2 3
CN9 CO
N3
GND
CH
3
-I
N
R3
6
17K4
4 1
2 3
U7
VT
L
C3
4
56p
F
/50 c
er
R4
2
10K
GND
CH
4
G
AI
N
C3
3
100p
F
/50 c
er
C4
4
47u
F
/25V
C3
2
100p
F
/50 c
er
C2
6
22u
F
/50V
GND
C2
5
22u
F
/50V
3 2
1
U8
A
N
JM
4580L
5 6
7
U8
B
N
JM
4580L
GND
R4
3
10K
GND
R3
7
15K
R3
8
10K
R4
1
10K
R4
0
15K
1 2 3
CN1
0
CO
N3
GND
CH
4
-I
N
R4
4
17K4
4 1
2 3
U9
VT
L
3 2
1
U
10A
N
JM
4580L
5 6
7
U
10B
N
JM
4580L
C3
1
56p
F
/50 c
er
C3
5
56p
F
/50 c
er
R5
5
10K
R5
6
82K
R5
7
10K
R5
9
82K
R5
8
10K
R6
0
10K
GND
GND
1 2 3
CN1
2
CO
N3
GND
CH
4
-O
UT
CH
3
-O
UT
8 4
U8
C
N
JM
4580L
8 4
U6
C
N
JM
4580L
8 4
U
10C
N
JM
4580L
C3
6
104P C3
7
104P
C3
8
104P C3
9
104P
C4
0
104P C4
1
104P
GND
C4
2
220u
/25V
C4
3
220u
/25V
R2
1
82R
CL
IP
SI
G
LI
M
IT
ER
R2
2
30R
R1
9
180R
VR1 A
10K
1 2 3 4
CN3 CO
N4
R2
4
82R
CL
IP
SI
G
LI
M
IT
ER
R2
3
30R
R2
0
180R
VR2 A
10K
1 2 3 4 5
CN8 CO
N5
1 2 3 4 5
CN5 CO
N5
R1
5
270R
R1
7
270R
R5
1
82R
R5
2
30R
R4
9
180R
VR3 A
10K
1 2 3 4
CN7 CO
N4
R5
4
82R R5
3
30R
R5
0
180R
VR4 A
10K
1 2 3 4 5
CN1
3
CO
N5
1 2 3 4 5
CN1
1
CO
N5
R4
5
270R
R4
7
270R
CL
IP
SI
G
LI
M
IT
ER
CL
IP
SI
G
LI
M
IT
ER
GND
GND
GND
GND
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