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Circuit Diagrams - Haier U Series Service Manual

Dc inverter wall mounted type
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10.3 Circuit Diagrams

10.3.1 INDOORUNIT
+12
1
2
3
4
5
VCC
+5
IC4
CN2
7
CN13
6
TLP421
5
1
4
2
3
3
VCC
2
4
1
5
4.7U/50V
390
VS
B7B-XH-A
B5B-PH-K
IC10
+5
CN14
10K
1
2
3
10K
4
TLP421
5
B5B-XH
4.7U/50V
+12
CN1
10
9
8
7
6
5
4
3
2
1
B10B-PH-K
R29
HXF
0R
+5
R14 10K
2
N1
R18 27
1
2SC2412
R17
22K
+12
R16
4.7K
R21
10K
N2
2SC2412
HSU-09,12H03/U(DBPZXF)
16
1
15
2
14
3
13
4
12
5
11
6
10
7
9
8
+12
+12
+5
16
1
YB1
15
2
YB2
14
3
YB3
13
4
YB4
12
5
YB5
11
6
YB6
10
7
YB7
9
8
+12
16
1
YB8
15
2
14
3
13
4
12
5
11
6
10
7
9
8
+12
+5
SW2
+5
16
1
15
2
SW1
14
3
13
4
12
5
FLZ
11
6
10
7
+5
9
8
4
3
2
1
R44
10K
R49
1K
R13 1K
C24
102
C29
102
R15 4.7K
TXF
TXS
POWER
1
LB2271
104/275V
ZE1
104/275V
220V-L
IC1
+5
2
22
12
11
10
8
36
7
37
3
4
64
21
63
45
62
56
60
53
52
YB1
47
51
YB2
46
YB3
43
1
YB4
42
YB5
41
YB6
40
YB7
39
YB8
38
59
33
32
31
61
30
29
28
27
58
26
16
6
5
TXS
35
+5
PTB1/ATD1
TXF
34
44
PTB0/ATD0
18
C23
17
55
57
54
104
9
23
13
14
24
15
25
50
19
48
20
C31
49
102
MC68HC908AB32
IC1
+5
+5
1
+5
IC7
220V-N
128
VS
T1
1
7
2
6
3
3
4
5
BCK-6-FE1901
IC6
220V-N
1
T3.15A
250/AMP-63824-1
+5
1
2
3
4
( )
+5
YJKG
+5
1
2
+5
5
4
6
3
7
2
8
1
+12
3
2
1
+12
+5
FLZ
Domestic Air Conditioner
Appendix
VCC
12V
+5
CN12
1
2
3
4
5
6
7
8
YJKG
9
10
B10B-PH-K
1

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