Read Sharp AH-X108 Service Manual online
AH/AU-X108E
AY/AE-X108E
AH/AU-X138E
AY/AE-X138E
14
MICROCOMPUTER CONTROL SYSTEM
Figure
L-1.
Electronic
Control
Circuit
Diagram
for
AH-X108E
1
2
3
4
5
C101
C102
0.1
µ
25v
C80
25v
0.1
µ
C8
16v
0.01
µ
C10
25v0.1
µ
C17
10v 100
µ
NC
JP5
JP4
JP3
JP2
JP1
5v
5v SW1
5v
5v
5v
5v
5v
5v
5v
5v
5v
5v
MODEL 5
MODEL 4
MODEL 3
MODEL 2
MODEL 1
RATING COOL
RATING HEAT
FAN L
FAN M
FAN H
AUX.
(TEST RUN)
CN1
CN2
CN3
CN301
CN201
CN101
RED
GRAY
GRAY
1
1
7
6
1
2
3
4
5
8
9
10
7
6
1
2
3
4
5
8
9
10
3
3
2
CN8
CN701
CN7
1
2
1
2
3
2
JP99
POWER ON
RED LED101
RED GREEN
YELLOW LED102
IC201
+
–
R9
10k
R12
10k
R29
680
R31
R33
R46
R35
R37
R39
R30
R32
R45
R34
R36
R38
PHOTO DETECTOR UNIT
R10 680
R11 330
R55 180
JP11
R54 180
R53 180
R52 180
R51 180
SW2
H
L
5v
POWER
SELECT
R8
10k
33 P27
34 P26
35 P25
36 P24
37 P23
38 P22
39 P21
40 P20
41 K1
42 P17
43 P16
44 P15
45 P14
46 P13
47 P12
48 P11
49 P10
50 P07
51 P06
52 P05
53 P04
54 P03
55 P02
56 P01
57 P00
58 GND
59 VDD
60 VR
61 P57
62 P56
63 P55
64 P54
P41
P42
P43
P44
P45
P46
F
RESET
CK1
CK2
AGND
P30
P31
P32
P33
P50
P51
P52
P53
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TEST
OSC
out
OSC
in
P60
P61
P62
GND
P63
P64
P65
P66
KH
P40
32
31
30
29
28
27
26
25
24
23
22
21
20
NC
NC
NC
NC
8
IC2
12v
12v
12v
12v
12v
12v
12v
5
4
3
2
1
9
LOUVER MOTOR
RY1
R16
1.8k
2
SSR1
+
–
8
7
6
5
1
2
3
4
C9
50v
1000P
R1 470 1/2W
IC80
R81
1k
R80
6.8k
R4
33k
R5
33k
3
BZ
C6
10v
100
µ
ZD2
C5
25v
47
µ
+
–
+
–
+
–
C18
35v
100
µ
+
–
OUT
IN
7805
IC4
OUT
IN
7812
IC3
HEAT
SINK
GND
GND
C4
25v
0.1
µ
C13
25v
0.1
µ
C2
AC
250v
0.1
µ
C14
50v
1
µ
C3
25v
1000
µ
5v
5v
R7
20k
R6
3.3k
3
1
2
Q1
C7
50v
1000P
JP9
JP8
JP6
JP7
SIGNAL IN
SIGNAL OUT
WIRELESS
TEST
MODEL 6
PREHEAT
1
2
3
OSC
8MHz
5v
5v
1
3
IC5
C16
16v
0.01
µ
C15
16v
0.01
µ
D5
R22
1.2k
R21
3.3k
R18 2.7k
R20
33k
R19
4.7k
IC1
RED GREEN
RED GREEN
RED GREEN
RED GREEN
LED201
LED202
LED203
LED204
LED205
R205
470
R204
470
R203
470
R202
470
R201
470
TRANSFORMER
D1 D2
D3 D4
(CN9)
JP10
TR
C21
250VAC
0.01
µ
C1
430VAC
1.5
µ
NR1
NF1
FU1
2.5A 250v T
CNR1
13 11
S201D01
SSR1
1
3
5
1
5
6
3
4
2
FAN
MOTOR
D6
(D9)
(R90)
2W
12K
(R91)
2W
12K
R26
2W
11k
R23
100k
R24
22k
R25
4.7k
R44
2W
680 X 5
R43
R42
R41
R40
R27
2W
11k
C19
50v
0.047
µ
C20
250v
0.01
µ
HZ24-2
C12
16v
10
µ
+
–
R15
10.0kF
C11
16v
10
µ
+
R14
10.0kF
CN4
4
3
2
1
5v
TH2
TH1
PIPE TEMP.
15k (25
°
C
)
ROOM TEMP.
10k (25
°
C
)
IN
OUT
POWER
SUPPLY
SINGLE
PHASE
1
N
2
OUTDOOR
UNIT
TERMINAL
BOARD
A
S
D7
SERIAL SIGNAL
1
2
3
4
PC2
4
3
1
2
PC1
5v
FUNC-
TION
IC1 PIN
No.
16(P44)
19(P41)
36(P24)
35(P25)
34(P26)
33(P27)
29(P60)
17(P43)
8(P30)
7(P31)
5(P33)
4(P50)
3(P51)
2(P52)
JP7
SYMBOL
JP9
JP1
JP2
JP3
JP4
JP5
JP6
R30, R31
R32, R33
R45, R46
R34, R35
R36, R37
R38, R39
NONE
SET
USE
R30: 15K
R31: 13K
R32: JP
R33: NONE
R45: JP
R46:
NONE
R34: 33K
R35:
13K
R36:
NONE
R37: JP
R38: JP
R39:
NONE
PREHEAT
NONE/ON
WIRE-
LESS
NORMAL/
CHANGE
MODEL1
fmin UP
ON/
NORMAL
MODEL2
AH/AY
MODEL3
HOT K.
NORMAL/
ON
MODEL4
13/10
MODEL5
FAN
LATTICE
NONE/ON
MODEL6
RATED f
COOL
RATED f
HEAT
FAN L
SPEED
1~5
FAN M
SPEED
6~10
FAN H
SPEED
11~12
USE
NONE
NONE
NONE
NONE
NONE
NOTE:
1. : TEST POINT
RPM
RY1
EVAPORATOR
10v
33
µ
+
–
S M 8 3 1
3
2
5V
Q2
3
2
5V
Q3
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