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12. Circuit diagrams
+5V
R3
4
2K
JP4
3
RST
2
MODE
1
TJC8-04
ONLINE
RST
R11
2K
C1
100nF
R10
R23
10K
10K
RESET
+5V
BUZZ1
PKM13EPY-4002
+12V
R82
220Ω
R50
E11
+12V
2K
100uF-25V
BUZZER
C15 100nF
B10B-PH-K-S
+12V
9
8
CN5
COM
E
12V
10
7
CN5-1
10
7C
7B
A
11
6
5
9
6C
6B
B
12
5
4
8
5C
5B
C
13
4
3
7
4C
4B
D
14
3
2
6
3C
3B
12V
15
2
1
5
2C
2B
A
16
1
CN5-2
4
1C
1B
B
5
3
C
4
2
D
3
1
2
+12V
C10 100nF
1
B5B-PH-K-S-
-
9
UP-DOWN STEPMOTOR
COM
E
10
7C
7B
11
6C
6B
+12V
12
CN11
5C
5B
12V
13
5
4C
4B
A
14
4
3C
3B
B
15
3
2C
2B
C
16
2
1C
1B
D
1
LSTEP MOTOR
B5B-PH-K
CN9
PG-OUT
7
PG-FEEDBACK
6
5
4
3
2
1
VS
B5P7-XH-A
NTC1
220-L
SCK084R72
220-N
CN52
1
CN17
1
D250
220V_L
L
L1
FUSE1
BLACK
LB2271(32mH-0.35A)
T3.15A/250VAC
CX1
~220VAC
RV1
TVR14561*
CN21
1
100nF-275VAC
470nF-275VAC
WHITE
CN21'
1
N
D250
+12V
OJE-SS H -112L D
D14
RLS4148
K4
HXF1
SW2
R30
+5V
4
+5V
C11
3
2
10K
IC1
100nF
R29
1
1
8
A0
VCC
10K
2
7
A1
WP
NDI-04H
SCL
3
6
A2
SCL
4
5
SDA
+5V
+5V
GND
SDA
4
24C04
JP3
3
EEPROM
2
1
R85 10K
+5V
TJC8-04
R54
10K
R63
10K
+5V
R94
10K
1
P33/SSI
100uF-16V
2
P34/SDA/SCS
MODE
3
E2
C37
MODE
C6
HXF
4
HXF
P43/XCIN
5
1nF
R71
10K
100nF
P44/XCOUT
6
RST
RESET
7
P47/XOUT
8
R9
VSS/AVSS
9
P46/XIN
10
VCC/AVCC
1M
BUZZ
11
P54/TCIOD
LSTEP_A
12
1K
P53/TCIOC
R47
13
LSTEP_B
1K
P52/TCIOB
R105
14
LSTEP_C
1K
P51/TCIOA/TCTRG
R79
LSTEP_D
15
1K
P50/TCCLK
R76
USTEP_A
16
1K
P27/TDIOD1
R72
R81
1K
10K
R2
+5V
JP1
R5
1K
2
CHECK/S_TIME
C16
1
100nF
TJC8-02(
)
ZJ/SS
8
7
R84
1K
6
R48
1K
5
R52
1K
4
R60
1K
3
R65
1K
2
R67
1K
1
R75
1K
R36
10K
+15V
R39
1K
R58
C14
2.7K
4.7uF-50V-105
1nF
+15V
E14
R59
10K
R68
R57
10K
10K
E15
C17
R64
100nF
10K
47uF-50V-105
+310V
D6
D7
1N5399
1N5399
E7
C002
103-630VDC
104-630VDC
D8
D9
1N5399
1N5399
C004
R161
1.5Ω-1/2W
2.2nF-250VAC
220-L
CY4
220-N
COMM_TX
CN27
1
CX2
CY5
2.2nF-250VAC
220V_L
HXF
CON1
K2
FLZ
1
CON3
1
N
WHITE
OJE-SS H -112L D
CON2
1
RED
+5V
5
C28
C20
C2
6
7
R103 20K
8
R104 2K
BM
10K
25/35
R102
R69
2K
A/B
R7
2K
C18
100nF
R33
560Ω
KI1/AN9/P11
KI2/AN10/P12
KI3/AN11/P13
(INT2)/P32
(INT1)/P36
TAO/P30
IC2
TBO/P31
TXD2/P63
R5F212A7SNFA
RXD2/P64
(CLK1)/CLK2/P65
RXD1/INT3/P67
TXD1/INT2/P66
INT0/P45
TEO/P60
TFO00/P80
TFO01/P81
+5V
+5V
R61
390Ω
R88
R97
+5V
C24
100Ω
10K
10nF
R108
R98
CN34
1K
+5V
1
100Ω
GND
2
TX
3
RX
4
NET COM
5267-04A
C013
2.2nF-250VAC
T1
4
3
5
6
C23
R78
1
R77
47K-2W
7
BCK-6-FE1901H/ 19ES-X58
D20
D19
US1M( 1A-1000V-75ns
CY2
2.2nF-250VAC
IC9
A6059H
E8
IC10
C010
TLP421
1nF
+5V
R13
330Ω
R90
COMM_TX
N5
4.7K
SS8050LT1
R91
4.7K
R20
COMM_RX
COMM_RX
1K
C9
R19
1nF
10K
IN-OUT COM
FLZ
D4
RLS4148
+12V
50
R70
FLZ1
R87
HXF
R45
JX1
R44
J45
1
2
R41
+5V
R46
R86
1K
R42
10K
R49
1K
R109
10K
J46
1
2
+5V
JX2
+5V
ROOM
R24
1K
PIPE
R25
1K
4.7uF-50V
R27 R28
C29
C3
E3
10nF
10nF
E5
48
4.7uF-50V
47
46
DIG_MODE
100Ω
R53
45
DIGL
100Ω
R6
44
DIGH
100Ω
R16
43
R93
10K
42
41
SER
100Ω
R18
COMM_TX
40
100Ω
RCK
R17
COMM_RX
39
100Ω
SRCK
R21
38
IR
R31
1K
37
C19
36
+5V
35
1nF
34
R40
10K
33
REMOTE_RX
R34
1K
C21
10nF
N1
SS8050LT1
REMOTE_TX
R56
R92 2K
FK
C27
100nF
+5V
R1 10K
B2B-XH-A-R
CN14
SWITCH
R4
1
C5
1K
2
SW1
100nF
TSVC-1
SWITCH
D206
100Ω-1206
ZD003
FR106(1A-800V-500ns)
R202
1N4742A(12V-1W)
R206
270Ω-2W
E9
R004
2.2K
N001
KTC8050
102-1000V
R205
C009
R019
560Ω-0805
47Ω-1/2W
12V -900mA
+12V
D008
R209
ER302(3A-200V-35ns)
C4
C13
CY1
E204
100Ω-1206
100nF
1nF
2.2nF-250VAC
1000uF-25V-105
ZD202
1N4742A(12V-1W)
R80
1.5K
CY6
+15V
4.7nF-250V
IC4
R12
C8
TLP851/PC851
100nF-50V
IC6
R22
100uF-50V-105
2K-1/4W
TLP421
CY3
2.2nF-250VAC
D12
R26
2K-2W
1N4007
Domestic air conditioner
Circuit diagrams
+12V
C33
100nF
1
16
1K
1B
1C
FLZ
CN10
12V
2
15
1K
2B
2C
HXF1
5
3
14
A
1K
3B
3C
4
4
13
B
1K
4B
4C
3
5
12
C
1K
5B
5C
2
6
11
D
1K
6B
6C
1
7
10
7B
7C
B5B-XH-A
8
9
E
COM
+12V
DISPLAY-0011800161
B10B-PH-K-S
IR
1
CN6
RCK
2
4
SER
3
3
SRCK
4
2
GG
5
1
GND
6
5V
B4B-XH-A
7
DIGH
8
DIGL
9
MODE
10
+5V
IR
CN7
COM3
1
COM2
2
E1
+5V
3
GND
4
100uF-16V
5
SER
RCK
6
SRCK
7
8
IR
R62
10K
+5V
B8B-PH-K-S
DISPLAY-0011800184/0033
R73
+5V
10K
+12V
R35 10K
10K
R38
D15
R106
CN36
R43
10K
3
RLS4148
27Ω
2
N2
1
SS8050LT1
B3B-XH-A
4.7K
FAR
D16
RLS4148
R66 10K
+5V
R95
CN51
R99 2K
10K
1
2K
2
R100
B2B-XH-A
C12
R101
100nF
10K
ROOM-CARD
+15V
100Ω-1206
15V -100mA
R203
ZD001
C7
100nF
HS1
H-25*15
L7805CV 1.5A-5V
IC5
+5V
1
3
INPUT
OUTPUT
E207
C22
100nF
D11
R14 47K-3W
220V_L
1N4007
R15
E4
47K-3W
ZD4
1N4746A(18V-1W)
N
CN23'
1
D250
CN23
COMM
1
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