Circuit diagrams
Domestic air conditioner
1
3
Circuit diagrams
1
3
.1 Outdoor unit control board Circuit Diagrams
53
黑
白
FUSE1
T25A/250VAC
RV1
S14K385E2K1(620V)
L1
(8mH-12A)
L2
(8mH-12A)
SA1
RA-362M-V7-Y(CE)/EM3600X
CX4
103-275VAC
ST
COM
+12V
+12V
D1
C1
B1
A1
+12V
LED1
+5V
+5V
310V
0V
15V
Control
reback
ZD2
1N5240B/1N4740A (10V/1/2W/1W)
ZD3
1N5231B(5.1V-1/2W)
E11
47uF-25V-105?
+5V
+5V
MODE
RST
5V
GND
+5V
CS
HW
TC
5V
COM
GND
DC
FA
N
ERROR
+5V
FLASH
TEST/SS
FU
CT
IO
N
TE
ST
SW
T
ES
T
+5V
R91
0
Ω
+5V
5V
XQ
1 2
CN48
1 2
CN49
+5V
+5V
+5V
+5V
+5V
GND
1-34-DRM1
1-55-DRM2
1-56-DRM3
+5V
FUSE2
T1A/250VAC
L
N
GND
HEAT1 HEAT2
RV2
S14K385E2K1(620V)
RV3
S14K385E2K1(620V)
HEAT-EN
COOL-EN
TEST-EN
红
RV4
S14K385E2K1(620V)
PTC1
400N
COMA
CO
M
M
AC-N
AC
-L
2-38-RXD1
2-41-TXD1
1-20-SW1
1-19-SW2
+5V
C43
4.7uF-25V-1206
C44
4.7uF-25V-1206
C45
4.7uF-25V-1206
C50
4.7uF-25V-1206
N
1
D250
CN2
1
D250
CN1
1
D250
CN3
1M-1/4W
R1
2.2uF/275V
CX1
1M
-1
/4
W
R2
2.2uF/275V
CX2
2.2uF/275V
CX3
1
D250
CN7
1
D250
CN6
1
D250
CN10
1
D250
CN9
3
4
1
2
G4A-1A-E-CN
K6
3
5
4
1
2
892-1CC-C
K5
3
4
1
2
OJE-SS-112DM
K4
3
4
1
2
OJE-SS-112DM
K8
3
4
1
2
OJE-SS-112DM
K7
100
Ω
-1W
R7
1
2
CN11
B2P3-VH
10
0n
F
C33
10
0n
F
C34
10
0n
F
C35
10K
R117
10K
R116
10K
R115
1K
R118
1K
R119
1K
R120
RLS4148
D15
RLS4148
D14
RLS4148
D13
1
2
3
4
5
CN50
B5B-XH-A
VREF
61
AN8/P10
49
AN7/P00
50
AN6/P01
51
AN5/P02
52
AN4/P03
53
AN3/P04
54
P62
55
P61
56
CLK1/AN2/P05
57
DA0/AN1/P06
58
VSS/AVSS
59
DA1/AN0/P07
60
VCC/AVCC
62
SSO/P37
63
SSCK/SCL/P35
64
P3
3/
SS
I
1
P3
4/
SD
A/
SC
S
2
M
OD
E
3
P4
3/
XC
IN
4
P4
4/
CO
UT
5
RE
SE
T
6
P4
7/
XO
UT
7
VS
S/
AV
SS
8
P4
6/
XI
N
9
VC
C/
AV
CC
10
P5
4/
TC
IO
D
11
P5
3/
TC
IO
C
12
P5
2/
TC
IO
B
13
P5
1/
TC
IO
A/
TC
TR
G
14
P5
0/
TC
CL
K
15
P2
7/
TD
IO
D1
16
(IN
T2
)/P
32
45
P15/RXD0/(TRIO)/(INT1)
26
P14/TXD0
27
P86
28
P85/TFO12
29
P84/TFO11
30
P83/TFO10
31
P82/TFO02
32
TF
O0
1/
P8
1
33
TF
O0
0/
P8
0
34
TE
O/
P6
0
35
IN
T0
/P
45
36
TX
D1
/IN
T2
/P
66
37
RX
D1
/IN
T3
/P
67
38
(C
LK
1)
/C
LK
2/
P6
5
39
RX
D2
/P
64
40
TX
D2
/P
63
41
TB
O/
P3
1
42
TA
O/
P3
0
43
KI
3/
AN
11
/P
13
46
KI
2/
AN
10
/P
12
47
P26/TDIOC1
17
P25/TDIOB1
18
P24/TDIOA1
19
P23/TDIOD0
20
P17/TAIO/INT1
24
P16/CLK0
25
KI
1/
AN
9/
P1
1
48
P20/TDIOA0/TDCLK
23
P21/TDIOB0
22
(IN
T1
)/P
36
44
P22/TDIOC0
21
IC17
R5F212A8SNFA
100nF
C18
4K7
10K
DTC143X
N7
4K7
10K
DTC143X
N6
1
2
3
4
NDI-02H
BM1
10
K±
1%
R5
8
10
K±
1%
R5
9
1K
R38
1K
R39
20
K±
1%
R67
20
K±
1%
R65
47
K±
1%
R63
1K
R68
1K
R66
1K
R64
10
0n
F
C26
10
0n
F
C25
10
0n
F
C24
1K
R88
10K
R40
10K
R41
1
2
3
4
5
6
CN17
10K
R89
1
2
CN45
1
2
3
4
CN33
100nF
C16
10K
R37
1
2
3
4
CN35
1
2
CN47
20K±1%
R94
1K
R95
100nF
C32
1nF
C1
3
1n
F
C1
9
1n
F
C2
0
10K
R99
2K
R98
10K
R97
2K
R35
2SA1037AK
P2
100nF
C12
1
2
3
4
TJC8-04
JP3
1
3
2
CSTLS4M00G56
XT1
56
0
R6
2
10K
R61
10K
R60
100nF
C21
A0
1
A1
2
A2
3
GND
4
SDA
5
SCL
6
WP
7
VCC
8
M24C08
IC14
2K
R36
10
K
R3
1
10
K
R3
2
10
K
R3
3
10
K
R3
4
1K
R5
7
1K
R5
6
1K
R5
5
1K
R5
0
1K
R4
4
1K
R4
5
5.1K±1%
R77
330
R78
10K
R79
1K
R80
1K
R85
1K
R84
PC817A
IC15
PC817A
IC16
330
R83
1K
R82
330
Ω
-1W
R8
2.2K
R81
10nF
C31
1
2
3
4
5
6
CN22
1K
R46
1nF
C11
1nF
C10
4.7K±1%
R28
10K
R87
10K
R29
1K
R30
100nF
C22
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
ULN2003A
IC7
1
2
3
4
5
6
CN15
1
2
3
CN24
1
2
3
4
5
CN34
1
2
CN44
+3
10
V
-3
10
V
+15V
10nF/630V
C301
100nF
C1
4
RLS4148
D18
RLS4148
D17
2SA1037AK
P1
1-20-SW1
1-19-SW2
1-34-DRM1
1-55-DRM2
1-56-DRM3
2SD1781KT146R
N1
LED3
R201
220K-2W
1
1
2
2
2.2nF/250V
CY6
1
1
2
2
2.2nF/250V
CY5
1
1
2
2
10
nF
/2
50
V
CY
4
1
1
2
2
10
nF
/2
50
V
CY
3
1
1
2
2
4.7
nF
/2
50
V
CY
2
1
1
2
2
4.7
nF
/2
50
V
CY
1
1N4007(1A-1000V)
D16
+5V
IC9
TLP851/PC851
IC10
TLP421/PS2561
N
4.7K±1%
R109
4.7K±1%
R110
2SC2412K
N5
4.7K±1%
R108
1K
R112
330
R43
1nF
C15
2K-1/4W
R6
1N4007
D10
2K-2W
R4
1
D250
CN5
COMM
COMA
R17
220K-2W
LED2
POWER
E2
680uF-450V
E3
680uF-450V
1
D250
CN27
1
D250
CN26
1uF/275V
CX7
+310V
-310V
2-38-RXD1
2-41-TXD1
1
1
2
2
2.2nF/250V
CY10
1
1
2
2
2.2nF/250V
CY9