Service manual

1. Indoor Unit
- 59 -
Schematic Diagram
64
17
12
16
14
15
13
Operation
CMP
Timer
Sleep
7
9
8
11
10
4
6
5
3
2
1
37
31.
24
19
22
23
20
21
18
25
26
29
27
28
30
32
33
35
34
36
50
57
62
61
63
59
58
60
56
54
55
52
53
51
41
40
42
38
39
45
44
43
47
46
49
48
POLY SW RXE250
Option
C04D
DC12V
Vss0
Vdd0
SW01F
CN-SW
Option
SWITCH
LIMIT
NO
NC
COM
3 2 1
3 2 1
FORCED OPERATION REMOTE CONTROL AUTO RESTART
3
1
2 4
5V
C05D
25V
470uF
C06D
103
+
104
50V
OJ2H
DC5V
R11H
OJ1H
7805
IC02D
O
I
OJ4HOJ3H
R11H~R14H
20K
20K
R06F
5V
20K
R04F
20K
R02F
8
ST93C46CB6
5 6 7
R12H R14H R13H
EEPROM
93C46B
S
Vcc
Q
Vss
D C
ORG DU
1 2
4 3
5V
CN-U/D
10V
220
C02L
CN-DISP
RECEIVER
Vcc
Vout
GND
11
6
2
5
4
LED1 LED4 LED3
2
6
4
5
3
7
1
LED2
RD
7
3
1
3 2 4
YL
OR PK
3 2 4
(UP/DOWN)
5
BL
5
13
10
12
16 14
15
receiver
11
R01G~R04G
220
9
6
7
4
5
3
2
5V
KID65004AF
KID65004AF
IC01G
1
8
IC01M
9
HVB OUT
8
5
6
7
4
1
2
3
1
R02A,20K
5V
R11H~R16H
12.1K
DC 5V
C02D
+
C03D
25V
470uF
C01D
35V
2200uF
+
104
50V
7812
IC01D
O
I
3
10K R97 10K
2
R96
IC9-1
KA393
-
4
DC12V
+
8
1
R95 10K
RESET AVdd AVref
OR6H
Hi Med
OR5H
A V 1 d d
5V
s s A V
OR1H
O/L
OR3HOR4H
Low
F2
OR2H
F1
R21H R26H R25H R24H
5V
R23H R22H
C01A
25V 0.01
C02A
220
10V
3
DC 5V CN-MOTOR
MOTOR INDOOR
FAN
34 34
1 1
2 2
63V
100uF
+
~
C07D
1%
IC01A
KIA7036P KSC7536
2
3.6V
10K
DC12V
R05H
R02H
R04H
1%
6.2K
1%
12.1K
5V
PKM13EPP-4002
BZ01E
CST-8.00MTW
receiver
16
Z
7
10
B
6
11
45
1312
132
14 15
R81 1K
R01B,1M
X1 X2 Vss1
5V
INT0 INT1
103 C81
R01E
1K
R02L,1K
5V
R01L
5.1K
KID65004AF IC02M
8
9
C01L 680pF
50V
R02E,20
CN-L/R
(LEFT/RIGHT)
BL
2
2
OR
PK
YL
3
4
3
4
RD
5
1
1
5
STEPPING MOTOR
Option
R90 1K
DC 5V
5V
OSC01B
103 C91
7
IC9-2
KA393
-
5
4.7K R91
+
R92 10K
6
R93 10K
HVB OUT
12V
3333
CN-DC/DC
4
5
4
5
4 4
PIPE-TH
R99 C92 750 1/4W
104,50V
1
2
1
2
11
CN-TH1
3 4 22
4 3
ROOM-TH
2
1
2
1
HVB OUT
CN-HVB
3 2 1
3 2 1