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Model
AU-A18 (serv.man6)
Pages
5 Few pages! See other manuals at the bottom of the first or last page.
Size
1.58 MB
Type
PDF
Document
Service Manual
Brand
Device
Air Conditioner / Microcomputer control system
File
au-a18-sm6.pdf
Date
PREV: Sharp AU-A18 (serv.man5) Service Manual

Sharp AU-A18 (serv.man6) Service Manual ▷ View online

11
AH-AP18CS
AH-AP24CS
AU-A18CS
AU-A24CS
Microcomputer (IC1)
IC1 is a CMOS, one chip, 8-bit microcomputer.
Microcomputer port allocation is as follows.
Pin Terminal Input
No. Name
Output
 Function
1
P45
IN
–
2
P46
IN
HOOT KEEP
3
P47
IN
SWEAT
4
AN0
IN
ROOM TEMP.
5
AN1
IN
PIPE TEMP.
6
AN2
IN
CT
7
AN3
IN
CLUSTER SENS.
8
AN4
IN
MODEL
9
AN5
IN
LOUVER SET
10 AN6
IN
FAN SET COOL
11 AN7
IN
FAN SET HEAT
12 AVCC
IN
5V
13 AVR
IN
5V
14 AVSS
IN
0V
15 R60
IN
WIRELESS SIGNAL
16 R61
IN
AC CLOCK
17 R62
IN
SW1
18 R63
IN
WIRELESS HEDDER
19 R64
IN
POWER ON
20 RST
IN
RESET SIGNAL
21 MOD0
IN
0V
22 MOD1
IN
0V
23 X0
IN
OSILLATION
24 X1
IN
OSILLATION
25 VSS
IN
0V
26 P27
IN
–
27 P26
OUT
FAN MOTOR  CONTROL
28 P25
OUT
OUTDOOR FAN M. CONTROL
29 P24
OUT
VALVE CONTROL
30 P23
OUT
COMPRESSOR CONTROL
31 P22
OUT
BUZZER
32 P21
OUT
CLUSTER GENERATOR CONTROL
Pin Terminal Input
No. Name
Output
 Function
33 P20
IN
CLEANING SW1
34 P17
OUT
LOUVER MOTOR
35 P16
OUT
LOUVER MOTOR
36 P15
OUT
LOUVER MOTOR
37 P14
OUT
LOUVER MOTOR
38 P13
NC
–
39 P12
NC
–
40 P11
NC
–
41 P10
NC
–
42 P07
OUT
LED 107 (GREEN)
43 P06
OUT
LED 107 (BLUE)
44 P05
OUT
LED 101
45 P04
OUT
LED 102
46 P03
OUT
LED 103
47 P02
OUT
LED 104
48 P01
OUT
LED 105
49 P00
OUT
LED 106
50 N5
NC
–
51 P30
OUT
CLUSTER POLARITY CONTROL
52 P31
IN
DEICE 2
53 P32
IN
DRY FAN
54 P33
IN
PIPE 1
55 P34
IN
PIPE 2
56 P35
IN
INDOOR FAN MOTOR R.P.M.
57 VCC
IN
5V
58 P36
IN
CLUSTER SET
59 P37
IN
–
60 P40
IN
TEST
61 P41
IN
DEICE 1
62 P42
IN/OUT EEPROM
63 P43
IN/OUT EEPROM
64 P44
IN
OUT FAN
11
AH-AP18CS
AH-AP24CS
AU-A18CS
AU-A24CS
Microcomputer (IC1)
IC1 is a CMOS, one chip, 8-bit microcomputer.
Microcomputer port allocation is as follows.
Pin Terminal Input
No. Name
Output
 Function
1
P45
IN
–
2
P46
IN
HOOT KEEP
3
P47
IN
SWEAT
4
AN0
IN
ROOM TEMP.
5
AN1
IN
PIPE TEMP.
6
AN2
IN
CT
7
AN3
IN
CLUSTER SENS.
8
AN4
IN
MODEL
9
AN5
IN
LOUVER SET
10 AN6
IN
FAN SET COOL
11 AN7
IN
FAN SET HEAT
12 AVCC
IN
5V
13 AVR
IN
5V
14 AVSS
IN
0V
15 R60
IN
WIRELESS SIGNAL
16 R61
IN
AC CLOCK
17 R62
IN
SW1
18 R63
IN
WIRELESS HEDDER
19 R64
IN
POWER ON
20 RST
IN
RESET SIGNAL
21 MOD0
IN
0V
22 MOD1
IN
0V
23 X0
IN
OSILLATION
24 X1
IN
OSILLATION
25 VSS
IN
0V
26 P27
IN
–
27 P26
OUT
FAN MOTOR  CONTROL
28 P25
OUT
OUTDOOR FAN M. CONTROL
29 P24
OUT
VALVE CONTROL
30 P23
OUT
COMPRESSOR CONTROL
31 P22
OUT
BUZZER
32 P21
OUT
CLUSTER GENERATOR CONTROL
Pin Terminal Input
No. Name
Output
 Function
33 P20
IN
CLEANING SW1
34 P17
OUT
LOUVER MOTOR
35 P16
OUT
LOUVER MOTOR
36 P15
OUT
LOUVER MOTOR
37 P14
OUT
LOUVER MOTOR
38 P13
NC
–
39 P12
NC
–
40 P11
NC
–
41 P10
NC
–
42 P07
OUT
LED 107 (GREEN)
43 P06
OUT
LED 107 (BLUE)
44 P05
OUT
LED 101
45 P04
OUT
LED 102
46 P03
OUT
LED 103
47 P02
OUT
LED 104
48 P01
OUT
LED 105
49 P00
OUT
LED 106
50 N5
NC
–
51 P30
OUT
CLUSTER POLARITY CONTROL
52 P31
IN
DEICE 2
53 P32
IN
DRY FAN
54 P33
IN
PIPE 1
55 P34
IN
PIPE 2
56 P35
IN
INDOOR FAN MOTOR R.P.M.
57 VCC
IN
5V
58 P36
IN
CLUSTER SET
59 P37
IN
–
60 P40
IN
TEST
61 P41
IN
DEICE 1
62 P42
IN/OUT EEPROM
63 P43
IN/OUT EEPROM
64 P44
IN
OUT FAN
11
AH-AP18CS
AH-AP24CS
AU-A18CS
AU-A24CS
Microcomputer (IC1)
IC1 is a CMOS, one chip, 8-bit microcomputer.
Microcomputer port allocation is as follows.
Pin Terminal Input
No. Name
Output
 Function
1
P45
IN
–
2
P46
IN
HOOT KEEP
3
P47
IN
SWEAT
4
AN0
IN
ROOM TEMP.
5
AN1
IN
PIPE TEMP.
6
AN2
IN
CT
7
AN3
IN
CLUSTER SENS.
8
AN4
IN
MODEL
9
AN5
IN
LOUVER SET
10 AN6
IN
FAN SET COOL
11 AN7
IN
FAN SET HEAT
12 AVCC
IN
5V
13 AVR
IN
5V
14 AVSS
IN
0V
15 R60
IN
WIRELESS SIGNAL
16 R61
IN
AC CLOCK
17 R62
IN
SW1
18 R63
IN
WIRELESS HEDDER
19 R64
IN
POWER ON
20 RST
IN
RESET SIGNAL
21 MOD0
IN
0V
22 MOD1
IN
0V
23 X0
IN
OSILLATION
24 X1
IN
OSILLATION
25 VSS
IN
0V
26 P27
IN
–
27 P26
OUT
FAN MOTOR  CONTROL
28 P25
OUT
OUTDOOR FAN M. CONTROL
29 P24
OUT
VALVE CONTROL
30 P23
OUT
COMPRESSOR CONTROL
31 P22
OUT
BUZZER
32 P21
OUT
CLUSTER GENERATOR CONTROL
Pin Terminal Input
No. Name
Output
 Function
33 P20
IN
CLEANING SW1
34 P17
OUT
LOUVER MOTOR
35 P16
OUT
LOUVER MOTOR
36 P15
OUT
LOUVER MOTOR
37 P14
OUT
LOUVER MOTOR
38 P13
NC
–
39 P12
NC
–
40 P11
NC
–
41 P10
NC
–
42 P07
OUT
LED 107 (GREEN)
43 P06
OUT
LED 107 (BLUE)
44 P05
OUT
LED 101
45 P04
OUT
LED 102
46 P03
OUT
LED 103
47 P02
OUT
LED 104
48 P01
OUT
LED 105
49 P00
OUT
LED 106
50 N5
NC
–
51 P30
OUT
CLUSTER POLARITY CONTROL
52 P31
IN
DEICE 2
53 P32
IN
DRY FAN
54 P33
IN
PIPE 1
55 P34
IN
PIPE 2
56 P35
IN
INDOOR FAN MOTOR R.P.M.
57 VCC
IN
5V
58 P36
IN
CLUSTER SET
59 P37
IN
–
60 P40
IN
TEST
61 P41
IN
DEICE 1
62 P42
IN/OUT EEPROM
63 P43
IN/OUT EEPROM
64 P44
IN
OUT FAN
11
AH-AP18CS
AH-AP24CS
AU-A18CS
AU-A24CS
Microcomputer (IC1)
IC1 is a CMOS, one chip, 8-bit microcomputer.
Microcomputer port allocation is as follows.
Pin Terminal Input
No. Name
Output
 Function
1
P45
IN
–
2
P46
IN
HOOT KEEP
3
P47
IN
SWEAT
4
AN0
IN
ROOM TEMP.
5
AN1
IN
PIPE TEMP.
6
AN2
IN
CT
7
AN3
IN
CLUSTER SENS.
8
AN4
IN
MODEL
9
AN5
IN
LOUVER SET
10 AN6
IN
FAN SET COOL
11 AN7
IN
FAN SET HEAT
12 AVCC
IN
5V
13 AVR
IN
5V
14 AVSS
IN
0V
15 R60
IN
WIRELESS SIGNAL
16 R61
IN
AC CLOCK
17 R62
IN
SW1
18 R63
IN
WIRELESS HEDDER
19 R64
IN
POWER ON
20 RST
IN
RESET SIGNAL
21 MOD0
IN
0V
22 MOD1
IN
0V
23 X0
IN
OSILLATION
24 X1
IN
OSILLATION
25 VSS
IN
0V
26 P27
IN
–
27 P26
OUT
FAN MOTOR  CONTROL
28 P25
OUT
OUTDOOR FAN M. CONTROL
29 P24
OUT
VALVE CONTROL
30 P23
OUT
COMPRESSOR CONTROL
31 P22
OUT
BUZZER
32 P21
OUT
CLUSTER GENERATOR CONTROL
Pin Terminal Input
No. Name
Output
 Function
33 P20
IN
CLEANING SW1
34 P17
OUT
LOUVER MOTOR
35 P16
OUT
LOUVER MOTOR
36 P15
OUT
LOUVER MOTOR
37 P14
OUT
LOUVER MOTOR
38 P13
NC
–
39 P12
NC
–
40 P11
NC
–
41 P10
NC
–
42 P07
OUT
LED 107 (GREEN)
43 P06
OUT
LED 107 (BLUE)
44 P05
OUT
LED 101
45 P04
OUT
LED 102
46 P03
OUT
LED 103
47 P02
OUT
LED 104
48 P01
OUT
LED 105
49 P00
OUT
LED 106
50 N5
NC
–
51 P30
OUT
CLUSTER POLARITY CONTROL
52 P31
IN
DEICE 2
53 P32
IN
DRY FAN
54 P33
IN
PIPE 1
55 P34
IN
PIPE 2
56 P35
IN
INDOOR FAN MOTOR R.P.M.
57 VCC
IN
5V
58 P36
IN
CLUSTER SET
59 P37
IN
–
60 P40
IN
TEST
61 P41
IN
DEICE 1
62 P42
IN/OUT EEPROM
63 P43
IN/OUT EEPROM
64 P44
IN
OUT FAN
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