Johnson Controls YJHJXH024BARR-FX, Service Manual

Page: 121 / 123

&LUFXLW'LDJUDPV
Domestic Air Conditioner
118
11.2.Outdoor unit
11.2.1 Control Board Circuit Diagrams
V
A
LV
E D
1
1
V
A
LV
E C1
2
MO
DE
3
V
A
LV
E B1
4
V
A
LV
E A
1
5
RES
ET
6
XO
UT
7
V
SS/
A
V
SS
8
XI
N
9
VCC
/AV
CC
10
SD
A
11
SC
L
12
DC V
sp
13
V
A
LV
E D
2
14
V
A
LV
E C2
15
ERRO
R LE
D
16
VALVE B2
17
VALVE A2
18
NC
19
NC
20
NC
21
TEST-EN
22
COOL-EN
23
HEAT-EN
24
HEATER2
25
MODULE RXD0
26
MODULE TXD0
27
NC
28
NC
29
NC
30
NC
31
NC
32
H
E
A
TER1
33
NC
34
IN
DO
OR
C
O
M
40
52
-B
35
DC
F
G
36
PC
C
O
M
T
X
D
1
37
IN
COM RX
D1
38
IN
C
O
M
4
052
-A
39
NC
40
IN
COM
T
XD2
41
MI
D/
L
O
W
˄
HI
GH
/L
OW
˅
42
HI
GH
FA
N S
P
E
E
D
43
4-
WA
Y V
A
L
VE
44
MO
T
O
R S
W
IT
C
H
45
VS
S
46
VS
S
47
TH
EM
4
0
5
2
-B
48
4052-A
49
CG
50
HW
51
CS
52
XG
53
TC
54
NC
55
NC
56
HZ ADJUST
57
FA MOTOE ADJUST
58
VSS/AVSS
59
POWER CTRL
60
VREF
61
VCC
62
SOCKET PROTECT
63
PTC
64
Ӵᛳ఼
IC17
R5F212A8SNFA
GND
4
GND
3
GND
2
GND
1
VCC
8
GND
7
SCL
6
SDA
5
IC6 AT24C04
1
CN2
AC-L
1
CN1
AC-N
BLA
CK
WH
IT
E
FUSE1
T25A 250VAC
RV1
S14K350
R1
1M
R7
100/1W
CX1
225/275V
L1
8MH/20A
RV2
S14K350
RV3
S14K350
R2
1M
CX2
225/275V
L2
8MH/20A
CX3
225/275V
PTC1
470N
CY
1
47
2/2
50V
/2
75V
CY
2
47
2/2
50V
/2
75V
CY
3
47
2/2
50V
/2
75V
CY
4
47
2/2
50V
/2
75V
1
CN3
PE
SA1
RA-362M
K6
12V-25A-891P-1A-C
K5
12V-5A-892H(N)-1AC-C
K4
12V-5A-892H(N)-1AC-C
K3
12V-5A-892H(N)-1AC-C
K2
12V-5A-892-1CC-C
K1
12V-5A-892-1CC-C
1 2 3
CN
11
Comment:
CX4
103/275V
1 2 3 4 5 6 7 8 9
CN
12
1 2 3 4 5
CN
43
ST COM
1
CN14
1
CN13
C1
2U/450V
H M L C COM COM L H
C C
1 2 3 4 5 6 7 GN
D
12V
10 11 12 13 14 15 16
IC8
ULN2003
1 2 3 4 5 6 7 GN
D
12V
10 11 12 13 14 15 16
IC7
ULN2003
Y0
Y2
Y
Y3
Y1
INH
VEE
VSS
B
A
X3
X0
X
X1
X2
VDD
IC5
MC14052
Y0
Y2
Y
Y3
Y1
INH
VEE
VSS
B
A
X3
X0
X
X1
X2
VDD
IC13
MC14052
+12V
1
2
3
4
5
6
CN16
1
2
3
4
5
6
CN15
+12V
D1
C1
B1
A1
D2
A2
B2
C2
C17
104/50V
C18
104/50V
+12V +12V
R36 2K LED1
R3
4
1
0K
R3
1
1
0K
R3
2
1
0K
R3
3
1
0K
+5V
P1
2SA1037AK
R28
4.7K/1%
R29
10K
R30
1K
+5V
C10
102/50V
1
2
3
4
5
6
CN22
1
CN40
1
CN41
C31
103/50V
310V
0V
15V
VS
FG
R81
2.2K
R84 1K
R82 1K
R8
330/1W
R85
1K
R83 330
ZD2
10V/0.5W
ZD3
5.1V/0.5W
4
3
1
2
IC15 PC817A
4
3
1
2
IC16 PC817A
E11
47U/25V
+5V
N1
8050
R80 1K
R79
10K
R78
330
R77
5.1K/1%
C11
102/50V
1
2
3
4
CN33
XT1 4M
C21
104/50V
R6
2
5
6
0
R60
10K
R61
10K
R37
10K
+5V
MODE
RST
5V
GND
C16
104/50V
1
2
3
4
CN21
1
2
3
4
CN20
1
2
3
CN17
1
2
3
CN19
1
2
CN18
+5V
+5V
R6
9
20
K/
1%
R7
2
20
K/
1%
R73
20K/1%
R74
1K
R76
20K/1%
R70 1K
R75
1K
R71
1K
C28
10
4/5
0V
C27
104/50V
C30
104/50V
C29
104/50V
E17
4.7U/16V
E16
4.7U/16V
E19
4.7U/16V
E18
4.7U/16V
E15
4.7U/16V
E14
4.7U/16V
E13
4.7U/16V
XG-A
CG-A
5V
5V
XG-B
CG-B
5V
5V
+5V
R5
9
10K
/1
%
R5
8
10K
/1
%
R5
7
1
K
R5
0
1
K
R56
1K
R4
5
1
K
R4
4
1
K
C2
0
102
/5
0V
C1
9
102
/5
0V
R67
20
K/
1
%
R6
5
20
K/
1
%
R6
3
47
K/
1
%
R68
1K
R66
1K
R64
1K
C25
10
4/5
0V
C26
10
4/5
0V
C24
104/50V
5V
CS
5V
HW
5V
TC
1
2
3
CN24
5V
COM
GND
MODULE COM
J60
J61
1
2
3
4
5
CN34
J5
1
J5
2
J20
1
CN42
DC MO
TOR
ERROR
J53
J1
7
J4
7
J1
8
J5
4
J4
6
J4
2
1
2
3
4
CN35
+5V
J29
J28
J13
J6
3
J62
AC-L
AC-N
CY5
222/250V/275V
CY6
222/250V/275V
1
CN6
AC-N OUT
1
CN7
AC-L OUT
J66
J49
J48
C23
104/50V
1
CN9
AC-N OUT
1
CN10
AC-L OUT
4-WAY VALVE
J1
3-SPEED-AC-MOTOR
2-SPEED-AC-MOTOR
J3
J4
J2
FLASH
E-V
A
LV
E(A
)
E-V
A
LV
E(B)
J3
7
R55
1K
R54
1K
R5
3
1K
R5
2
1K
R5
1
1K
J3
6
J3
5
R4
6
1
K
J2
4
J3
3
R4
7
1
K
J2
5
J3
4
R4
8
1
K
J2
3
J3
2
R4
9
1
K
J2
2
J3
1
C22
104/50V
18
7
18
7
J43
1
CN8
PE
J15 J12 J30 J27 J40 J57 J59
+5V
+5V
J56 J41 J9 J16 J10
J5
8
J44
+12V
+12V
J2
6
J11 J14
J38
J55 J21 J45
1
2
CN44
TEST/SS
FU
CTI
O
N
TES
T
S
W
TES
T
CX8
104/275V
R8
6
0
R87
10K
1
2
CN45
R88
1K
R89
10K
+5V
SOCKET
R90 0
R91
0
PROTECT
RXD2
TXD2
RXD1
TXD1
R93
0
RED
BLACK
Y
ELLO
W
WH
IT
E
WH
IT
E
WH
ITE
BLUE
BLUE
1
2
3
CN47
E20
4.7U/16V
+5V
5V
5V
XQ
R95 1K
R94
20K/1%
C32
104/50V
㑶
J50
R96
0
K8
12V-5A-892H(N)-1AC-C
K7
12V-5A-892H(N)-1AC-C
N3
8050
N2
8050
1 2
CN48
HEAT1
1 2
CN49
HEAT2
FUSE2
T1A/250V
C1
2
10
4/
5
0V
R97
10K
+5V
P2
2SA1037AK
R99
10K
R35
2K
R98
2K
+5V
D12
RLS4148 D11
RLS4148
R100
4.7K/1%
R101
10K
R102
4.7K/1%
R103
10K
J67
J68
J6 J5
TT1
TT2
TT3
TT4
TT5
C13
104/50V
TT6
TT7
TT8
AC-N
AC-L
TXD1
TXD2
RXD1
RXD2
Vin
1
GND
2
Vout
3
IC4 L7805CV
C9
104/50V
E8
Comment: 100U/16V
R29
47
R19
47
C6
104/50V
IC3
TL431C
C3
102/100V
L3
20UH/1A
ZD1
IN5948B
E5
470U/25V
E6
100U/16V
E7
470U/25V
E3
22U/25V
CY9
222/250VAC
D7
MBR1100\SB1100
C2
102/100V
R18 47
C7 104
/50
V
R22
1K/0.5W
C8
104/50V
+5V +12V
E4
470U/25V
R17
330/1W
+15V
R32
5.1K/1%
R30
1K
R2
8
5
.1
K/1
%
R31
1K
C5
104/50V
R25
10K
R26
1K
R16 2/1W
R14
10
0K
/2W
R15
15
C4
103/50V
9
10
+5VD
T1
Comment: E22034
7
6
4
5
CY8
472/1KV
R27
10K
1
3
R24
5.1K/1%
CX5
104/275V
ADJ
1
FB
2
CS
3
GND
4
HV
8
NC
7
VCC
6
DRV
5
IC1
NCP1200P100
D9
MUR115\MUR130\ER106
D10
ER106
D8
MBR3100\ER302
4
3
1
2
IC2 PC817A
R20
220
R21
220
M1
IRFUC20
1
2
3
CN22
῵ഫᵓ⬉⑤ ( 㪱 )
J11
R90 0
N
P
YJHJZH024BARRAFX -SM