Circuit Diagram - Haier HSU-12LV03 Service Manual

SCHEMATIC DIAGRAM OF PCB

CIRCUIT DIAGRAM

+5V +5V
R6 R3
10k 10k
50HZ
R2 1K
R5
10k
N1
C1
2SC2412
102
C2
R4
4.7k
102
+5V
R78
P1
2K
2SA1037AK
R79
R7
10K
2K
+5V
C3
R8
103
10K
+5V
C4
104 10K
C38
R80
104
10K
1 VCC
A0 VCC
R82
2 7
A1 TEST
3 6
A2 SCL
GND 5
VSS SDA
R9 560
IC2 24C02
+12V
R12
R15
220 1K
1K
BUZZ1
C30
R11
103
N5
MPS8050S
N2
KPT-1410A1 R10
4.7K
R13
2SC2412
4.7K
+12v
CN12
Air Conditioner
IC1
01
R1 10K
1
2
3
RST
02
4
5
SDA
SDA
6
SCL
SCL
7
8
9
nop
R14 10K
10
11
A
12
C
13
14
15
PG
16
PG
17
18
19
20
21
VSS
22
VDD
23
24
25
26
UP-A
27
UP-B
28
UP-C
29
UP-D
30
DOWN-A
31
DOWN-B
32
DOWN-C
MC68HC08AB16
C29
103
R16 R19 R21
1K R23
3.3K 3.3K 3.3K
C6
+5V
SW2
R27
R31
102
R28
10K
1K
10K
C7
+5V
MPS8050S
R30 1K
103 +5V
N6 10K R29
C35
104
C5
104
CN6 2576
CN11
+5V
2
1
R39 10K
1K
R40
64 64
63 63
C15
C13 C14
C18 C19
C17
62 62
102 102 102 102 102
61 61
60
59 C21
OSC1
58
103
OSC2
57
CGMXFC
56 +5V
VSSA R56
55
VDDA
10M
54
VREFH
C37 C16
53 53
DAL
104 104
52 52
WRL
51 51
LCS
50
49 R57
4.7K
48
47 R55 +5V
10K
right-D( )
46 R54
10K
right-C( )
45
VSS/VREFL
44
VDDAREF
43 R53
10K
right-B( )
42 R52
10K
right-A( )
R38
41 R51
10K
left-D( )
40 R50
10K C36
C12
left- C ( )
39 R49
10K
103
left- B ( )
104
38 R48
10K
left- A ( )
37
36
35
34
C8
33
DOWN-D
103
R17 3.3K +5V
I1
A 1 O1 16 E1 +12V
100u/25v
R18 10K
I 2
O2 15
I 3
3 O3 14
I 4
4 O4 13
NOP
+5V
I 5
5 O5 12
R32
NOP
I 6
51K
6 O6 11 PG
50HZ
I 7
7 O7 10
PG
GND +12V
GND +12V
28
Edition:2006/8/20
+5
1K
1 CON5-1
R85
64
R33
100
2
R46
63
10K
100
3
R45
1K
62
100
4
R44
53
100
5
R43
52 R36
100 N3
6
R42
51
100
7
R41
R59 10K
8
C39
9
104
R58
4.7K
E3
102
+5V
2SC2412
100u/16v
R60
XT1
27
8M
N4 +5V
2SC2412
E6 4.7uF/16V
4.7uF/16V E7
R86 4.7K
+5V
R83 1K
C11
102
R37
10K
R35 1K
CN10 R34
C9 C10
R81
1K
1
103 103
0805-20K±1%
2
0805-3.3K±1%
R25
1K
IC4
I1
D 1 O1 16
I 2
C 2 O2 15
I 3
B 3 O3 14
I 4
CN1-1 A 4 O4 13
12 I 5
D 5 O5 12
11
R24 10K
10 I 6
C 6 O6 11
9
8 R22 I 7
10K
B 7 O7 10
7
6 R20 10K +12V
GND +12V
5 GND +12V
4 2003
3
2
1
+5V
E4
100u/16v
• • • •
CN9
1
2
+12V
R61
10K
CN8
1
2
3
4
+5V
R26
10K
CN14
1
2
CN2
D
10
C
9
B
8
A
7
6
5
D
4
C
3
B
2
A
1