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Service Manual 55
Schematic Diagram
2) Art Cool Type
OUTDOOR
64
17
Digit2
10
LED2
LED4
LED3
LED1
DEFROST
ON/OFF
TIMER
SLEEP
6(d)
Digit1
c
5
d
e
8(c)
7(e)
b
g
f
a
9(b)
1(g)
3(a)
4(f)
4
12
16
15
14
13
8
10
11
9
6
7
5
2
3
1
45
27
22
20
19
18
21
25
24
23
26
37
32
30
29
28
31.
33
34
35
36
41
39
38
40
43
42
44
54
59
61
62
63
60
56
57
58
55
49
52
51
53
50
47
46
48
HVB ASSY
2
3
1
2
3
1
CN-HVB(BL)
2
1
1
2
Vdd0
VssO
R28H 20K
R27H 20K
DISPLAY
44
STEPPING MOTOR
STEPPING MOTOR
KEY
TEST
Vcc
RECEIVER
Vout
GND
DC 5V
25V
0.01
C04L
CN-MAIN
14
88
10
13
9
10
9
7
6
5
7
6
5
14
88
1010
99
13
66
77
55
CN-D5
11
4
3
2
4
3
2
1
1
CN-D6
11
33
22
44
CN-D3
5
5
RD
YL
BLPK
OR
4
4
3
3
2
2
BLPK
YL
33
22
11
OR
RD
55
receiver
10
4
9
6
5
3
2
1
CN-D2
CN-D2(WH)
8
9
7
5
6
4
3
C02L
10V
220
5V
R12H
10K
50V
C13H
103
R11H
1K
Q
45
5V
1
2
3
8
7
6
D
C
S
Q02C
Q03C
R05G 220
R06G 220
R07G 220
5V
Q01C
LED scan
15
16
14
2
1
3
digit 1
digit 2
e
c
d
CN-D1
CN-D1(WH)
2
1
5V
R02G 220
R03G 220
R04G 220
R01G 220
IC01M
KID65004AF
12
11
13
10
5
6
4
7
9
8
a
g
b
f
KID65004AF
IC02M
12V
680pF
50V
R01L
C01L
5.1K
F2
OJ02H
5V
OR2H
OR3HOR6H OR5H OR4H
MedS-Hi Hi Low
AVss
AVdd1
AVret
AVdd
RESET
X1
X2
INTO
Vss1
INT1
R23H
OR1H
F1
R25H
R24H
R26H
R21H~R26H
12.1K 1%
R22H
R21H
5V
5V
CST-8.00MTW
OSC01B
uPD780023AGC
0IMCRNE002M
CN-UD(BL)
1
2
3
4
5
R01E
1K
12V
R02E 20
PKM13EPP-4002
BZ01E
PIPE-TH
ROOM-TH
STEP MOTOR
6.2K
12.1K
R05H
10K
1%
1%
22
11
R02H
R04H
5V
5V
receiver
CN-TH1(WH)
3
4
3
4
CN-LR2(WH)
L / R 2
STEP MOTOR
RD
12V
RD
YL
OR
PK
1
BL
CN-LR1(WH)
BL
3
4
4
5
OR
PK
YL
L / R 1
STEPPING MOTOR
RD
PKBL
YL
OR
SUB PCB ASM
5V
HVB
7
8
12
11 1111
12
5V
10
9
8
7
6
5
4
3
2
1
8
9
10
1
2
3
4
5
6
77
6
5
4
3
2
10
9
8
1
9
8
7
6
5
4
3
2
1
9
8
7
6
5
4
3
2
11
2
3
4
5
6
7
8
9
HVB PIN1
10
11
12
13 13
12
11
10
5
4
2
1
3
5
4
2
1
33
1
2
4
5
5
1
2
4
3
14
13
12
14
13
12
11
E3 1K
E2 1K
C02M
103
C01M
103
C03M
103
CN-D1(WH)
CN-CON(WH)
CN-12V(WH)
10
11
12
13
10
11
13
12
3
3
2
2
11
2
2
3
3
11
2
22
2
3
3
3
3
11
11
OJ01H
0.01
25V
C01A
R02A 20K
5V
1
KSC7536
KIA7036P
3
3.6V
2
IC01A
R02L
1K
R01B
1M
HVB PIN2
HVB PIN1
HVB
HVB PIN2
12V
5V
DC5V
103
C06D
C01D
35V
2200uF
DC12V
+
IC02D
7805
C05D
25V
470uF
+
O
C04D
104
50V
I
I
C03D
25V
470uF
O
7812
IC01D
104
C02D
50V
+
+
-
R97
10K
R96
10K
DC 5V
3
2
4
IC9-1
KA393
DC12V
8
1
R95
10K
63V
100uF
C07D
CN-MOTOR1(WH)
MOTOR1
INDOOR
FAN
34
34
1
1
2
2
+
104,50V
CN-DC/DC(BL)
POLY SW1
RXE250
~
3
2
4
3
2
4
1/4W
C92
11
DC 5V
R90 1K
C91
103
5
IC9-2
KA393
-
R92 10K
4.7K
R91
7
+
6
R93 10K
2
3
1
4
DC12V
2
3
1
R99
750
4
C03L
L3
10V
220
RXD
TXD
TXD
RXD
FG
C81
103
R81 1K
FG1
FG1
EE
PR
OM
2
15
16
1
7
10
13
11
12
14
4
6
5
3
9
8
13
14
3
15
16
2
1
KID65004AF
IC03M
10
11
6
12
5
4
9
8
7
12V
4 23
FAN
INDOOR
MOTOR2
1
4
23 1
RXE250
~
POLY SW2
FG2
DC12V
CN-MOTOR2(WH)
R81A 1K
FG2
C81A
103