AE-M18 (serv.man2) - Sharp Air Conditioner Service Manual (repair manual). Page 8

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8
AY-M09AE
AE-M18AE
Figure 
L-2. 
 Electronic 
Control 
Circuit 
Diagram 
for 
AE-M18AE
1
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
P56
V
SS
P55
P54
P53
IC1
P52
P51
P50
P47
P46
P45
P44
P43
P42
P41
P40
V
SS
P37
P36
P35
P34
P33
P32
P31
P27
P30
P26
P25
P24
P23
P22
P21
P20
P57
P60
P61
P62
P63
P64
P65
P66
P67
RESET
P01
P00
P02
P03
P04
V
DD
X2
X1
IC
XT2
AN10
AV
SS
AN11
AN12
AN13
AN14
AN15
AN17
AN16
AV
DD
AV
REF
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
25
27
28
29
30
31
32
µ
P078011
10
Ry1
Ry2
Ry3
Ry4
7
11
6
12
5
13
4
14
3
15
2
16
1
IC2
8
9
12V
12V
VALVE COIL
FAN MOTOR
COIL A2
COIL A1
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
5V
C28
0.1
µ
25V
10V
100
µ
C22
+
_
18k
10k
8.87kF
8.87kF
R14
R7
R8
5V
BLUE
RED
ORANGE
BLUE
BLUE
RED
RED
L
YELLOW
GREEN/
YELLOW
GREEN/
YELLOW
GREEN/
YELLOW
TERNINAL
BOARD
N
N
N
L
S
S
L
CN5
2
1
VALVE COIL A1
VALVE COIL A2
1
3
1
3
RED
CN1
CN3
CN4
BLACK
BLUE
FAN 
MOTOR
CNR2
Ry3
Ry4
THERMAL
PROTECTOR
NR1
C2
0.01
µ
250V
TRANSFORMER
THERMAL
FUSE
5V
12V
IN
OUT
GND
IN
OUT
GND
C6
C7
C5
C4
C3
CN2
25V
47
µ
10V
47
µ
25V
0.1
µ
0.22
µ
50V
2200
µ
35V
+
_
+
_
+
_
D1
D2
D4
D3
IC4
IC3
5V
R30
1.0kF
10V
220
µ
C21
R29
6.49kF
CT2
A2
A1
D8
R27
10V
220
µ
D7
C20
R26
5V
ORANGE
YELLOW
TC
115˚C
1
TH1
PIPE TEMP. A1
TH2
PIPE TEMP. A2
4
3
2
1
CN6
C17
C18
10
µ
16V
10
µ
16V
R23
R22
R24
R25
6.8kF
10k
6.8kF
10k
C16
1000P
50V
C18
1000P
50V
C15
10V
100
µ
C14
25V
0.1
µ
5V
OSC 8MHz
2
3
1
R12
4.7k
5
4
2
1
1
2
3.3k
4
5
PC2
PC1
0.01
µ
16V
0.01
µ
16V
D5
R5
C9
C12
R17
R9
1W 2.7k
1W 2.7k
CNR4
UNIT TO UNIT
SIGNAL A1
UNIT TO UNIT
SIGNAL A2
CN5
CNR5
R6
D6
2
1
5
5
4
2
2
1
1
4
PC4
PC3
5V
56k
R18
25V
0.1
µ
1
3
2
IC5
Reset
PST
993D
C13
5V
D11
C12
1
µ
50V
C10
50V
1000P
R19
470
470
R11
R20
4.7k
R10
56k
5V
C25
1000P
50V
C24
1000P
50V
R16 10k
R15 10k
5V
CT1
R28
R31
1.8kF
1.8kF
1
FAN  MOTOR
CAPACITOR
440V 2
µ
F
C7
CNR1
SA1
CN2
NR2
2
1
3A 250V
WPE
RED
T1
AC
220/240V
50Hz
UNIT A1
UNIT A2
RED
370V
25
µ
WHITE
S
C
R
COMPRESSOR
MOTOR A1
BLACK
BLACK
RY1
MOTOR
PROTECTOR A1
CT1
YELLOW
370V
25
µ
WHITE
S
C
R
COMPRESSOR
MOTOR A2
PURPLE
BLUE
RY2
MOTOR
PROTECTOR A2
CT2
5V
R4
10k
5V
R34
10k
5V
LED3
LED2
LED1
(RED)
SIGNAL A2
(RED)
SIGNAL A1
(RED)
R3
1k
R2
1k
R1
1k
+
_
+
_
+
_
5
7
+
_
+
_
3
5
6.49kF
C8
50V
1000P
1.0kF
D9
D10
R13
3.3k
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