AH-AP24 (serv.man6). Microcomputer control system - Sharp Air Conditioner Service Manual (repair manual). Page 3

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13
AH/AY-AP18DR
AH/AY-AP24DR
Figure L-3. Electronic Control Circuit Diagram for AH-AP18DR
MODE
13K
R37
L2
NC
NC
56
L 1
9.1K
R45
1/2W
10K
D14
25V
47
µ
C29
+
NF1
6.8K
6.8K
R41
100
L1
SSR1
C31
1W
275V
0.033
µ
Q8
Q7
Q6
Q5
JP21
3
1
3
1
NR1
CN9
THERMOSTAT
INTERNAL
CN8
CN7
CN6
CN5
CN3
CN2
CN1
1
2
3
1
CLUSTER
R35 3.3K
R40
R39
10K
CLEANING
SWITCH 1
SWITCH 2
CLEANING
3
1
D8
D9
3
2
1
2
3
3
2
2
0.01
µ
C22
16V
2
0.01
µ
C10
16V
22K
R6
20K
Q2
1
R5
22K
R4
R27
2
1/2W
9
470
R30
SSR2
3
12V
5V
10
9
25V
C24
SW101
2
11
2
8
IC4
10K
R29
R28
1.8K
BZ1
RY1
SSR1
1/2W
470
IC5
8
9
Q1
16V 220
µ
10K(F)
+
D6
25V
0.1
µ
1
2
4
5
3
MOTOR
LOUVER
3
2
1
5
4
1
2
3
HOLE
IC
FAN
MOTOR
2
3
JP3
JP2
JP1
NC
MB89537A
1
IC6
3
10K
13K
13K
25V
0.1
µ
1
µ
50V
IC1
(PATTERN SIDE)
400V
0.01
µ
16V
JP5
JP4
1K
0.01
µ
OSC1
FRONT
P21
P22
P23
P24
P25
P26
P27
X1
X0
MOD1
MOD0
RST
32
31
30
29
28
27
26
25
24
23
22
21
20
Vcc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
P45
P46
P47
AN0
AN1
AN2
AN3
AN4
AN5
AN6
AN7
AVR
P60
P61
P62
P63
P64
P31
P32
P33
P34
P35
P36
P37
P40
P41
P42
P43
P44
52
53
54
55
56
57
58
59
60
61
62
63
64
P30
NC
P00
P01
P02
P03
P04
P05
P06
P07
P10
P11
P12
P13
P14
P15
P16
P17
P20
49 
50 
51
33 
34 
35 
36 
37 
38 
39 
40 
41 
42 
43 
44 
45 
46 
47 
48
AVcc
AVss
Vss
50V
1000p
+
680
10K
10K
10
µ
16V
16V
10
µ
10k
(F)
10K
(F)
4
3
2
1
TH2 
PIPE TEMP 
15k
(25˚C).
TH1 
PIPE TEMP 
10k
(25˚C). 
FAN
MOTOR
1
3
5
2.7K(F)
D7
+
35V
1000
µ
50V
0.1
µ
7812
IC2
+
25V 47
µ
7805
0.1
µ
IC3
25V
10V
100
µ
+
C7
D1?4
GND
22.6K(F)
3.3K
4
5
IC8
1
2
3
8
7
6
0.1
µ
25V
16V
0.01
µ
TR1
C1
C2
C3
C4
C5
C6
C8
C9
C11
C13
C14
C15
C17
C18
C19
C20
C21
C23
C25
R7
R8
R9
R10
R13
R14
R15
R16
R18
R19
R20
R21
R22
R23
R24
R25
R26
R32
R34
10K
16V
16V
16V
0.01
µ
0.01
µ
0.01
µ
6.8K
R12
47K
R11
10MHz
JP10
JP11
JP12
JP13
JP18
10K
10K
0.01
µ
16V
0.01
µ
16V
R17 3.3K
13K
C27
C12
SW1 : AUX.(TEST RUN)
C16
25V
0.1
µ
1
R31
R33
+
+
C26
3
2
1
1
BCN1
2
3
4
5
6
7
8
R37
6
7
1
3
5
1K(F)
1
0.1
µ
D12
3
R108
10
32
(TIMER)
LED102
LED101
(OPERATION)
1
1
2
BL
GR
LED107
(CLUSTER)
1
3
42
5
6
9
R107
(FAN L)
(FAN M)
(FAN H)
(FAN AUTO)
LED106
LED105
LED104
LED103
3K
2.7K
R102
R101
1/2W
1/2W
C102
C101
0.1
µ
25V
33
µ
10V
+
IC101
BCN101
R103
R104
R105
R106
620
620
1
2
3
1
8
7
6
5
4
3
2
620
620
1/2W
1/2W
56
CN10
CN103
BCN102
CN102
CN101
275V
275V
0.1
µ
0.1
µ
275V
C28
8
6
SSR2
2W
2W
R1
R2
NC
NC
NC
NC
JP9
JP8
JP7
JP19
DEIC
E 1
DEIC
E 2
DRY
FAN
PIPE
 1
PIPE
 2
NONE
NONE
NONE
NONE
JP7
JP8
JP9
JP10
JP11
JP12
JP13
TEST
NONE
JP6
NONE
15K
15K
15K
JP18
JP19
LOUV
OUT
FAN
CLUS
TER
ER
R19
R21
R23
FAN2
FAN1
HEAT
COOL
MODE
R38
R38
ON
PWR
LESS
WIRE
AT
SWE-
KEEP
HOT
DEF.
SYMBOL
I
JP2
JP3
JP4
JP5
JP1
IN
OUT
RY1
WPE1
T
250V
3A
1
N
BOARD
TERMINAL
L
N
PHASE
SINGLE
SUPPLY
POWER
TERMINAL
BOARD
A
BL
BK
BR
UNIT
OUTDOOR
TO
NONE
NONE
NONE
47
CT1
BL
BL
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