Haier HSU-18,22HVA103/R2(DB)

10.3.Circuit Diagrams
10.3.1.INDOORUNIT (HSU-18,22HVA103/R2(DB))
1 2 34
A
B
C
D
4
321
D
C
B
A
PTA6
32
PTA5
31
PTA4
30
PTA3
29
PTA2
28
PTA1
27
PTA0
26
PTG2/KBD2
25
PTG1/KBD1
24
PTG0/KBD0
23
VDD
22
VSS
21
PTE7/SPSCK
20
PTE6/MOSI
19
PTE5/MISO
18
PTE4/SS
17
PTE3/TACH1
16
PTE2/TACH0
15
PTE1/RXD
14
PTE0/TXD
13
PTF6
12
PTF5/TBCH1
11
PTF7
10
NC
9
PTF4/TBCH0
8
PTF3/TBCH3
7
PTF2/TBCH2
6
PTF1/TACH3
5
PTF0/TACH2
4
RST
3
IRQ
2
PTC4
1
PTC5
64
PTC3
63
PTC2/MC LK
62
PTC1
61
PTC0
60
OSC 1
59
OSC 2
58
CGMXFC
57
VSSA
56
VDDA
55
VR EFH
54
PTD7
53
PTD6 /TACLK
52
PTD5
51
PTD4/TBCLK
50
PTH1/KBD4
49
PTH0/KBD3
48
PTD3
47
PTD2
46
VSS/ VREFL
45
VDDAREF
44
PTD1
43
PTD0
42
PTB7/ATD7
41
PTB6/ATD6
40
PTB5/ATD5
39
PTB4/ATD4
38
PTB3/ATD3
37
PTB2/ATD2
36
PTB1/ATD1
35
PTB0/ATD0
34
PTA7
33
IC1
MC908AB32
－ CFUE
R24
10K
+5
R46
1K
C15
102
R91
2k
R92
10K
R93
2k
R94
10K
P2
2SA1162
C13
104
R53 1K
C41
102
remote control
3
4 5
6
7
81
2
IC2
24C02
SDA
SCL
R8 10K
+5
R7 10K
C14
104
R74 560
BUZ1
R11 2.2K
R49
220
N5
2SC2412
R9 4.7k
+12
+5
ZJ 1
short circuit pin
N7
S9013
N6
S9013
R12 1k
R13
1k
R3710K
1
2
3
4
CN6
R95
100
R96
100
R36 1K
+5V
RX
TX
GND
+5V
network
+5V
20
17
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
IC3
2003
1
2
3
4
5
6
7
89
10
11
12
13
14
15
16
IC4
2003
1
2
3
4
5
6
7
8 9
10
11
12
13
14
15
16
IC5
2003
C18
104/50V
+5
+12
C11 104
1
2
3
4
5
6
7
8
9
10
CN5
B10B -PH-K
（ switch ）
+12
+5
E6
4.7UF/16V
E7 4.7UF/16V
1
2
3
4
CN8
R44 1K
R45 1K
R35 3.3K 1%
R34
20K 1%
room
pipe
(white)
C9
102
C10
102
38
38381
381 1
2
3
4
5
CN3
B5B -XH(white)
1
2
3
4
5
CN4
B5B-PH-K
（ wh ite ）
+12
+5
R26
4.7k
R43 22k
SW3
JSS1247
SW2
JSS1247
+5
35
25
A
B
C5
102
R30
33K
R28 1K
R27 1 0K
+5
R29
10K
R31
10K
+12
remote communication
R59
4.7K
R66
27
1
2
CN9
48
49
49
48
N1
2SC2412
N2
2SC2412
remote control
12
0
XT1
8M
R1
10M
+12
self-check shrink time
down step motor
up step motor
left step motor
right step motor
2
R79 10K
R10 1 0K
C45
103
C44
103
1
2
3
CN12
+12
u ltr av io le t co nt r o l
A
12V
C
C42
104
C16
102
1
2
3
CN7
PG feedback
C43
103
R50
51K
R14 1K
19
16
18
R4210K
R6 10K
R4010K
R22 22K
R20 22K
R19 4.7K
R21 4.7K
E13
100u/16v
R2522K
R4822K
R69
4.7K
5v
R47
22K
R38
10K
R39 10K
C6
103
C7
104
1
2
CN15
door switc
h
R33 10K
R32
1K
+5v
C21
102
C26
104
E12
100u/16v
R63 330
R67 330
R70 330
R71 330
R72 330
R56 330
1
2
3
4
5
6
7
8
9
CN5-1
B9B-PH-K（red）
display board
REV
RED
BLU
GR E
DA
WR
CS
GND
+5V
+5v
C4
104
C3
103
C2 104
R2
10K
R3
1K
C1
102
+5V
SW1
emergence switch
60
60
+5V
+5V
HSU-18,22HVA103/R2(DB) Appendix
137
Domestic Air Conditioner