Read Sharp AE-A18 (serv.man12) Service Manual online
11
AH/AY-AP18DR
AH/AY-AP24DR
AH/AY-AP24DR
MICROCOMPUTER CONTROL SYSTEM
Figure L-1. Electronic Control Circuit Diagram for AY-AP18DR
15K
L2
R37
MODE
OUTDOOR
UNIT
BR
BK
BL
C
B
A
VALVE
BOARD
TERMINAL
3
2
POWER
SUPPLY
SINGLE
PHASE
N
L
TERMINAL
BOARD
N
1
RY2
3A
250V
T
WPE1
RY1
OUT
IN
R38
JP19
JP7
JP8
JP9
NC
NC
NC
NC
NC
NC
NC
R2
R1
2W
2W
SSR2
6
6
8
C28
275V
0.1
µ
0.1
µ
275V
275V
CN101
CN102
BCN102
CN103
CN10
56
56
1/2W
1/2W
620
620
2
3
4
5
6
7
8
1
3
2
1
620
620
R106
R105
R104
R103
BCN101
IC101
+
10V 33
µ
25V 0.1
µ
C101
C102
1/2W
1/2W
R101
R102
2.7K
3K
LED103
LED104
LED105
LED106
(FAN AUTO)
(FAN H)
(FAN M)
(FAN L)
R107
9
65
2
43
1
(CLUSTER)
LED107
GR
BL
21
1
(OPERATION)
LED101
LED102
(TIMER)
2
3
10
R108
3
D12
0.1
µ
1
1K(F)
5
3
1
7
6
R37
8
7
6
5
4
3
2
BCN1
1
1
2
3
C26
+
+
R33
R31
1
0.1
µ
25V
C16
SW1 : AUX.(TEST RUN)
C12
C27
13K
3.3K
R17
16V
0.01
µ
16V
0.01
µ
10K
10K
JP18
JP13
JP12
JP11
JP10
10MHz
R11
47K
R12
6.8K
0.01
µ
0.01
µ
0.01
µ
16V
16V
16V
10K
R34
R32
R26
R25
R24
R23
R22
R21
R20
R19
R18
R16
R15
R14
R13
R10
R9
R8
R7
C25
C23
C21
C20
C19
C18
C17
C15
C14
C13
C11
C9
C8
C6
C5
C4
C3
C2
C1
TR1
0.01
µ
16V
25V
0.1
µ
6
7
8
3
2
1
IC8
5
4
3.3K
22.6K(F)
GND
D1?4
C7
+
100
µ
10V
25V
IC3
0.1
µ
7805
47
µ
25V
+
IC2
7812
0.1
µ
50V
1000
µ
35V
+
D7
2.7K(F)
5
3
1
2µ
MOTOR
FAN
TH1 PIPE
TEMP.
10k
Ω
(25˚C)
TH2 PIPE
TEMP.
15k
Ω
(25˚C)
1
2
3
4
(F)
10K
(F)
10k
10
µ
16V
16V
10
µ
10K
10K
680
+
1000p
50V
Vss
AVss
AVcc
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
51
50
49
P20
P17
P16
P15
P14
P13
P12
P11
P10
P07
P06
P05
P04
P03
P02
P01
P00
NC
P30
P17
P16
P15
P14
P13
P12
P11
P10
P07
P06
P05
P04
P03
P02
P01
P00
NC
P30
64
63
62
61
60
59
58
57
56
55
54
53
52
P44
P43
P42
P41
P40
P37
P36
P35
P34
P33
P32
P31
P64
P63
P62
P61
P60
P63
P62
P61
P60
AVR
AN7
AN6
AN5
AN4
AN3
AN2
AN1
AN0
P47
P46
P45
AN6
AN5
AN4
AN3
AN2
AN1
AN0
P47
P46
P45
19
18
17
16
15
14
13
12
11
10
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
Vcc
20
21
22
23
24
25
26
27
28
29
30
31
32
RST
MOD0
MOD1
X0
X1
P27
P26
P25
P24
P23
P22
P21
FR
ON
T
OSC1
0.01
µ
1K
JP4
JP5
16V
0.01
µ
400V
(PATTERN SIDE)
IC1
50V
1
µ
0.1
µ
25V
13K
13K
10K
3
IC6
1
MB89537A
NC
JP1
JP2
JP3
3
2
FAN
MOTOR
IC
HOLE
3
2
1
4
5
1
2
3
LOUVER
MOTOR
3
5
4
2
1
0.1
µ
25V
D6
+
10K(F)
220
µ
16V
Q1
2
3
1
1
2
3
9
8
IC5
Q3
Q4
470
1/2W
SSR1
RY1
BZ1
1.8K
R28
R29
RY2
RY3
D10
D11
10K
IC4
8
2
1
1
2
SW101
C24
25V
9
10
5V
12V
3
SSR2
R30
470
9
1/2W
2
R27
R4
22K
R5
1
Q2
20K
R6
22K
16V C10
0.01
µ
2
16V
C22
0.01
µ
2
2
3
3
2
1
2
3
D9
D8
13
CLEANING
SWITCH 2
SWITCH 1
CLEANING
10K
R39
R40
3.3K
R35
CLUSTER
1
3
2
1
CN1
CN2
CN3
CN5
CN6
CN7
CN8
INTERNAL
THERMOSTAT
CN9
NR1
1
3
1
3
JP21
Q5
Q6
Q7
Q8
1W
R43
C33
0.033
µ
100
275V
RY3
0.033
µ
275V
R42
C32
100
1W
0.033
µ
275V
1W
C31
SSR1
L1
100
R41
6.8K
6.8K
NF1
+
C29
47
µ
25V
D14
10K
1/2W
R45
47
R38
L
MODE
COOL
HEAT
FAN1
FAN2
R23
R21
R19
ER
TER
CLUS
FAN
OUT
LOUV
JP19
JP18
15K
15K
6.8K
NONE
NONE
JP6
NONE
TEST
JP13
JP12
JP11
JP10
JP9
JP8
JP7
NONE
NONE
NONE
NONE
NONE
2
PIPE
1
PIPE
FAN
DRY
E 2
DEIC
E 1
DEIC
13K
NONE
NONE
NONE
JP1
JP5
JP4
JP3
JP2
I
SYMBOL
DEF.
HOT
KEEP
SWE-
AT
WIRE
LESS
PWR
ON
BL
OR
PU
CT1
BL
COMP
FAN
TO
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