Circuit Diagrams - Haier 1U12BE8ERA Service Manual

12 Circuit diagram
12.1 Outdoor unit control board circuit diagrams
CN2
FUSE1
1
T25A 250VAC
AC-L
CN1
1
AC-N
CN3 SA1
1
PE RA-362M
N
P
CN7
GND +5V
1
5V
2
RST
R3
3 R98 D1
MODE
1N4007
4 10K
22K/2W
R4 R5 R6
220K 220K 220K
R7
CN4
R8
D2
1
1N4007
COM
+5V
CN23
R49 R48
5V
3 10K 10K
COM
2
GND J17
1
R47
( )
R50
5.1K/1%
1K P1
2SA1037AK
C20
102/50V
CN33
R46
2 0
1
L1
R1
CX2
1M
225/275V
16MH/12A
+15V+15V
J7
J26
.Sch .Sch
P
N
IC11
3
4
PC851/TLP628
IC12 TLP371
4
22U/250V/450V 5
D4 E10
1N4007
103/50V C17
IC10 PC817A
10K
1
R10 1K
10K
2
CN32
TEST/SS
1
GND +5V
2
R97 10K
+5V
R51 R52 R53 R54 R59
10K 10K 10K 10K 2K
CN30
4
TXD J35
3 R60
2 +5V 10K
1
AC-N OUT AC-L OUT
CN8 CN9
COM ST
PTC1
R12
400N
100/1W CX4
RV1
103/275V
S14K350
K5 K3
+15V D5 D6 +12V
1N4007 1N4007
12V-5A-892H(N)-1AC-C
12V-25A-891P-1A-C
J27
+5V +5V J25
J24 J33
J6 J37
J15 J16
J23 J10
J4 J8
J38 J28
0
R92
+5V
0
R93
C10 62
61
0
R99
104/50V 59
13
36
J5 41
38
R66
2
J22 37
330
45
R45 R102 0
1
+5V 28
0
27
26
R43
2 N2
44
Comment: 2SC2412K
330 R100
24
1
4.7K
+5V 50
23
R101
R42 22
4.7K
20K 6
9
7
R44
4 J21 J20
8
1K
C16 48
3
49
Comment: 472/50V
10
14
15
17
18
19
20
+5V
21
R61
25
R95 R96
2K
10K 10K
R62
P2 10K R63
2SA1037AK 560
SW1
1 4
2 3
R64
R65
10K
10K
+5V
56

Circuit diagrams

Comment:
COM L H C C COM
J34
J36
5 1
K2
3
12V-5A-892-1CC-C
12V-5A-892H(N)-1AC-C
C23 C25 C26
104/50V 104/50V
104/50V
IC5 R5F212A7SNFA
51
1K R83
VCC
52
1K R81
VREF
53
1K R79
AVSS
54
1K R77
46
31
PC
55
R75 2K
IN SW-1
56
OUT SW-2
60
2
NC
47
/
29
OUT SDA
30
IN SCL
42
NC /
57
TEST-EN
58
VSS
63
COOL-EN 1
64
HEAT-EN PTC
1
D
RESET
2
XIN C
4
XOUT B
5
VSS A
3
VSS MODE
43
VSS NC
40
VCC NC J40
R67
39
NC NC
R68
35
NC NC
R69
34
NC NC
33
NC NC
R72 1K
32
NC NC
16
NC NC JP1
12
NC NC
11 +5V
NC NC
IC6 24C04
5 4
SDA GND
6 3
SCL GND
7 2
GND GND
8 1
VCC GND
C12
104/50V
Domestic air conditioner
CN14 CN15 CN16
L H
C C
2U/450V
C1
2
2
K1
5 1
6
6
J32
4
3 4
+5V
E11
4.7U/16V
6
5
4
R91
3
10K
2
1
E13
4.7U/16V CN19
E14
4.7U/16V
C19
104/50V
CN31
1
2
+5V 3
4
IC7 ULN2003
1 16
1K
2 15
1K
3 14
1K
4 13
5 12
6 11
7 10
GND 12V
1
C13
2
104/50V
3 +12V
4