Alto A400.4 Dragonfly, Service Manual

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1
2
3
4
5
6
78
A B C D
8
7
6
5
4
3
2
1
D C B A
IC
4
7815 IC
2
7915
C16 100N C14 100N
C25 100N
C12 470N C13 470N
C9 180U/
25V
C30 100U/
25V
C26 100U/
25V
C21 2200U/
25V
C20 2200U/
25V
C24 2200U/
25V
C23 2200U/
25V
C22 2200U/
25V
C19 2200U/
25V
L5
1uH/
12A
L6
1uH/
12A
D1 KBU
8M
C7 470U/
200V
C8 470U/
200V
C36 470U/
200V
C37 470U/
200V
C2 2N2/
400V
C3 2N2/
400V
C38 2N2/
400V
C39 2N2/
400V
L2 1uH/
12A
L3 1uH/
12A
R13 150K R14 150K
C1 14D391K
R2 NTC_B
57237
CX
2
1u/
275V
R1 845K
R4 845K
R3 150K
1 2 3 4 5 6 7 8 9
10
J1 CON10
1 2 3 4
J2 CON4
Q2 BC
640
R8 6R80
D7 BZT03-
C16
D2 BY
V27-
150
D8 BY
V27-
150
C5 100N
IC
1
L7812CV
C4 330U/
25V
C6 100U/
25V
P1 P
P3 P P2 P
A2 A1
G
Q1 BT
139
M2 ST
W9NK
90Z
D12A 30CP
Q
150
D12B 30CP
Q
150
D9B 30CP
Q
150
D9A 30CP
Q
150
3 4
1 2
T1 PE
67100
1
3
2
4
L1 TL25-
050-
182
R11 75R0 R12 150R
R6 270R R5 270R
R10 2K
2
D4 1N4148
D5 GR
2
4
L4A LF20_13E
ED
9
11
L4B LF20_13E
ED
12
10
L4C LF20_13E
ED
13
15
L4D LF20_13E
ED
16
14 17
L4E LF20_13E
ED
2 3 4 5 7
8 10 12 13 14 15 17
1
T2
TF20_13E
ED
1 2
K1 CON2
1 2
K4 CON2
V27NY V27N
V27NY
V27N GND
GND V15A V15N
V27NFB
V27NFB
C10 470P
/500V
C11 470P
/500V
C41 100N
R9 10R/
30W
GND
1 2 3 4 5 6 7 8
K2 CON8
1 2 3 4 5 6 7 8
K3 CON8
GND V27N
V27NF
V27NF
V15N V15A
GND V27NF
1 2
S1 CON2
R15 1R8
AC_INPUT
AC_SEL
PMPWRCTL_BOARD
GND
1 2 3
CN4 CON3
V27N V27NF
R20 12R/
10W
R21 12R/
10W
C47 180U/
25V
C48 100N
D3 1N4007
C49 100N
CX
1
0.
47u
R7 1M
1
3
2
4
L7 TL25-
050-
182
CY
1
222P CY
2
222P
R0 10K
ADD R0
20060120
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