Haier HSU-24LEK03/R2(DB) Service Manual

Wiring Diagrams
92
Domestic Air Conditioner
11.Circuit Diagrams
11.1.INDOOR UNIT
1 2 43
A
B
C
D
4
321
D
C
B
A
A0
1
A1
2
A2
3
VS S
4
SDA
5
SC L
6
TE ST
7
VC C
8
+5 V
+5 V
SC L
SDA
EE PR OM
+5 V
+5 V
IR
SR CK
RC K
SER
COM3
COM2
GN D
+5 V
1
2
3
4
5
6
7
8
1
2
3
4
5
+1 2 V
A
B
C
D
+1 2 V
+5 V
1
2
+5 V
SER
SR CK
GG
RC K
5V
GN D
IR
DI GH
DI GL
00 118 00161
001180018 4/0033
1
2
12V
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
MO D E
DI GH
DI GL
SER
SR CK
RC K
LS TEP _ A
LS TEP _ B
LS TEP _ C
LS TEP _ D
BUZZ
CHECK/S_ TIME
IR
SWITC H
+5 V
+5 V
RS T
MO D E
DI G_ M ODE
1
2
+5 V
Ф
+5 V
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
E
8
CO M
9
7C
10
6C
11
5C
12
4C
13
3C
14
2C
15
1C
16
VR
E
F
61
KI 0/A N8/P
1
0
4
9
AN7/P 00
50
AN6/P 01
5
1
AN5/P 02
52
AN4/P 03
53
AN3/P 04
54
P62
5
5
P
61
56
C
L
K
1/
AN2/P05
57
D
A
0/AN1/P06
5
8
VS S/A
V
SS
59
D
A
1
/A
N0 /P07
60
V
C
C/AVCC
62
SSO/P37
63
SSCK/SCL/P35
64
P3 3 /SS I
1
P3 4 /SD A/S CS
2
MO DE
3
P4 3 /XC IN
4
P4 4 /XC OUT
5
RE SET
6
P4 7 /XOUT
7
VS S / A VS S
8
P4 6 /XI N
9
VC C / A VC C
10
P5 4 /TC IOD
11
P5 3 /TC IOC
12
P5 2 /TC IOB
13
P5 1 /TC IOA/ TCTRG
14
P5 0 /TC CLK
15
P2 7 /TDI OD 1
16
(INT2)/ P32
45
P15/
R
XD0/(TRIO)/(IN T
1
)
2
6
P14/TXD0
27
P86
28
P85/TF
O
12
29
P
84
/TF O
11
3
0
P83/T
FO
10/
TF
I
31
P82/TF
O
02
32
TF O0 1 / P 8 1
33
TF O0 0 / P 8 0
34
TE O/ P 6 0
35
INT0/ P4 5
36
TX D1 / INT2 / P6 6
37
RXD1/ INT3 / P67
38
(C LK1 )/CLK2/ P6 5
39
RX D2 / P64
40
TX D2 / P 6 3
41
TB O/ P 3 1
42
TA O/ P 3 0
43
KI 3 / AN 1 1 / P1 3
46
KI 2 / AN 1 0 / P1 2
47
P26/
T
D
I
OC1
1
7
P25/TDIOB
1
18
P24/TDI
O
A
1
1
9
P23/TDIOD0
2
0
P17/TAIO/IN
T
1
24
P16/CLK0
25
KI 1 / AN 9 / P 1 1
48
P20/TDI
O
A
0
/TDCLK
23
P21/TDIO
B
0
22
(INT1)/ P36
44
P22/TDIOC0
21
MO DE
+5 V
HX F
HX F
RS T
RS T
+5 V
+1 2 V
FLZ
+1 2 V
+1 2 V
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
E
8
COM
9
7C
10
6C
11
5C
12
4C
13
3C
14
2C
15
1C
16
US TEP _ A
A
B
C
D
12 V
A
B
C
D
12 V
US TEP
_
B
US TEP_
C
US TEP_D
D
S
TEP_A
DS TE P_B D
STEP_C
DS TE P_D
1
2
3
4
CN34
5267-04A
+5 V
C24
10nF
RX
TX
GN D
+5 V
+5 V
+1 5 V
VS
+1 5 V
+5 V
1
2
3
4
5
6
7
R7 71
0
K
R7 8
1
0
K
+5 V
FK
1
2
R56
4.7K
1
2
CN36
R35
10K
+1 2 V
C13
10nF
R7 3 10 K
R38 10K
R34 1K
R6 6 10 K
+5 V
REMOTE_TX
RE MO TE_ R X
N1
SS 80 5 0 LT1 H
N2
SS 80 5 0 LT1 H
R40 10 K
CO MM_RX
COMM_ TX
D1 5
RLS4 1 48
D1 6
RLS4 1 48
R93
10K
1
2
1
2
+5 V
A/
B
+5 V
C18
100nF
A/ B
+5 V
25/35
1
2
3
4
5
6
7
8
BM
1
2
3
4+5 V
PIP E
ROOM
RO OMPI PE
1
2
3
4
5
+1 2 V
A
B
C
D
12 V
1B
1
2B
2
3B
3
4B
4
5B
5
6B
6
7B
7
E
8
CO M
9
7C
10
6C
11
5C
12
4C
13
3C
14
2C
15
1C
16
+1 2 V
HX F HX F 1
FLZ1
FLZ1
1 2
J45
IR
1 2 43
A
B
C
D
4
321
D
C
B
A
C8
100nF-50V
R2 2
2K-1/4 W
R2 6
2K-2W
R1 2
10 0K-1 /4W
E4
100uF-50V-105
CY3
2.2 nF-250VAC
220V_L
N
R1 4
47 K-3W
R1 5 47 K-3W
COMM
220V_L
FUSE1
T3 . 1 5 A - 2 5 0 VA C
1
CN 22
1
1
2
4
3
2
4
3
LX 1
LB 2 2 7 1 ( 3 2 mH- 0 . 3 5 A)
L
~2 20 V AC
CY1
2.2 nF-25 0VAC
CY2
2.2 nF-25 0VAC
1
CN 27
1
CN 21
RV1
TV R 1 4 5 6 1 *
CX1 '
470nF-275VAC
1
N
+1 2 V
+5 V
+1 5 V
1
6
2
3
54
7
T1
BCK-6 -FE1 901H
0.1 uF- 275 VAC
SC K 0 8 4R7 2
220VAC~/50HZ
0.1uF-275VAC
310V
VC C
R1 3
330
R2 0 1K
R1 9
10K
C9
1nF
+5 V
COMM_ RX
CO MM _TX
CO MM _TX
COMM_ RX
22 0-L
220-N
220-L
220-N
1
CN1 7
250
N5
SS 805 0LT1 H
D1
1N5399
D3
1N5399
D2
1N5399
D5 1 N 5 3 9 9
D9
FR106(1A-800V-500ns)
D1 0
FR106 (1A-800V-50 0ns)
D7
FR106(1A-800V-500ns)
D8
ER 3 0 2 ( 3 A- 2 0 0 V - 3 5 n s )
D1 1
1N400 7
D1 2
1N400 7
ZD 4
1N4746A(1 8V-1W)
ZD1
1N4746A( 18V-1W )
ZD 3
1N4746A(1 8V-1W)
ZD 2
1N4742A(12V-1W)
INPUT
1
GND
2
OU TPU T
3
IC 5
L7 8 0 5 C V
1.5A H-25 *15
SoftS
1
FB
2
Isens
e
3
D
r
ain
4
Dr ain
5
N
.C
6
VC C
7
GND
8
IC 9
IC E2A 26 5
IC 4
TL P8 5 1 / P C 8 5 1
IC 6
TL P4 2 1
IC 10
TL P4 2 1
3
4
2
1
K2
892N-1AC-C
1
CON3
1
CON2
+1 2 V
220V_L
N
3
4
2
1
K3
892N-1AC-C
+1 2 V
1
CON1
D6
RL S41 4 8
D4
RL S41 4 8
FL Z
VS
HX F 1

Haier HSU-24LEK03/R2(DB) Specifications

General

Brand	Haier
Model	HSU-24LEK03/R2(DB)
Category	Air Conditioner
Language	English