LG Electronics LSC183VMA Air Conditioner User Manual


 
1. Indoor Unit
- 55 -
Schematic Diagram
OUTDOOR
48
46
47
44
42
43
40
38
39
41
36
35
34
33
37
45
15
1
2
2
1
23
18
16
17
19
20
21
22
28
24
25
26
27
29
30
31.
32
SLEEP
TIMER
ON/OFF
DEFROST
LED1
LED3
LED4
LED2
58
7
11
13
14
12
10
9
8
63
3
5
6
4
1
2
64
62
61
60
59
53
57
56
55
54
51
52
50
49
1
CN-HVB(BL)
3
2
HVB ASSY
1
3
2
12V
R93 10K
RXE250
POLY SW1
CN-MOTOR1(WH)
AVret
AVdd1
AVss
HVB PIN2
HVB
HVB PIN1
receiver
220
10V
IC01D
IC02D
103
C06D
7805
470uF
25V
C05D
+
O
50V
I
104
C04D
470uF
25V
O
C03D
+
7812
CN-12V(WH)
CN-CON(WH)
1111
C03L
3
22
3
3
2
2
3
C04L
25V
RECEIVER
DISPLAY
Vcc
0.01
DC 5V
TEST
KEY
GND
Vout
1111
33
22
33
22
88 8 8
DC5V
L3
DC12V
10
13
12
11
CN-D1
7
8
9
10
4
5
6
CN-D1(WH)
10
12
13
11
11
12
1313
12
11
1010
10
777
10
9
88
9
10
8
9
6
5
44
5
6
5
6
4
DC12V
2200uF
35V
C01D
50V
C02D
104
I
+
MOTOR1
FG1
FAN
INDOOR
4321
4321
RXD
FG2
TXD
10K
R96
10K
R97
DC 5V
R95
2
-
+
10K
3
8
KA393
IC9-1
1
4
DC12V
R27H 20K
R28H 20K
12V
5V
5V
220
10V
C02L
10K
R12H
OJ01H
OJ02H
FG1
5
103
C13H
R11H
1K
50V
C03M
103
5V
6
7
8
DC 5V
R81A 1K
103
C81A
103
C91
4.7K
R92 10K
KA393
IC9-2
R90 1K
7
R91
6
5
+
-
R81 1K
103
C81
4
Q
S
C
D
3
2
1
FG
5V
S-Hi
OR6H
Hi
OR5H
Med
OR4H
103
C01M
2
2
STEPPING MOTOR
CN-D3
44
5
6
7
5
6
7
2
3
2
3
11
4
5
7
6
4
5
7
6
2
3
1
2
3
1
YL
2
3
PKBL
1
2
3
1
1
BL
4
OR
RD
5
1
4
5
STEPPING MOTOR
5
RD
OR
3
YL
PK
4
5
3
4
44 44
CN-D2
1
2
3
9
8
7
6
5
CN-D2(WH)
3
2
11
2
3
1
2
3
999
5
6
7
8
5
6
7
8
6
5
7
8
3
2
1
SUB PCB ASM
CN-D1(WH)
1
2
3
1
2
3
1
2
3
12V
103
IC02M
KID65004AF
KID65004AF
IC01M
8
9
5V
R01G 220
R04G 220
R03G 220
R02G 220
R07G 220
R06G 220
R05G 220
5V
13
14
16
15
4
3
1
2
10
11
12
7
6
5
6
11
HVB
15
2
16
1
14
12
13
3
5
4
12V
9
10
8
7
0IMCRNE002M
uPD780023AGC
VssO
Vdd0
C02M
b
d
c
e
f
g
a
Vss1
RESET
AVdd
X2
X1
INT1
INTO
CN-UD(BL)
1
1
YL
4
5
BL PK
5
4
3
2
OR
RD
3
2
STEPPING MOTOR
5V
CN-TH1(WH)
1
~
+
MOTOR2
CN-MOTOR2(YL)
2
INDOOR
24
FAN
3
FG2
43
1
1
63V
C07D
100uF
C01A
25V
0.01
104,50V
750
~
POLY SW2
RXE250
C92
1/4W
DC12V
R99
CN-DC/DC(BL)
33
44
1
2
1
2
R21H~R26H
R26H
F1
OR1HOR2H
Low
OR3H
F2
R22H
R24H
R25H
R23H
R21H
E2 1K
E3 1K
12.1K 1%
5V
2
1
4
3
2
1
4
3
R05H
10K
KIA7036P
KSC7536
5V
R02H
1%
1%
R04H
6.2K
12.1K
R02A 20K
3
5V
2
3.6V
1
IC01A
3
2
4
HVB PIN2
HVB PIN1
ROOM-TH
PIPE-TH
3
1
2
4
5
4
2
1
3
3
1
2
4
5
CN-LR1(WH)
CN-LR2(WH)
C01L
680pF
PKM13EPP-4002
CST-8.00MTW
5V
1M
R01B
TXD
RXD
OSC01B
50V
5.1K
R01L
1K
R01E
BZ01E
R02E 20
5V
receiver
1K
R02L
8
7
4
5
6
9
12
11
10
13
IC03M
KID65004AF
1
2
3
16
15
14
12V
L / R 2
STEP MOTOR
4
5
RD
3
1
2
BL PK
OR
YL
L / R 1
STEP MOTOR
OR
5
4
RD
YL
PK
4
3
BL
1
OR
STEPPING MOTOR
4
1
BLPK
3
2
YL
4
1
3
2
STEPPING MOTOR
3
PK
5
RD
BL
1
2
4
YL
OR
RD
5
3
5
1
2
4
5
CN-D8
CN-D5
CN-D6
CN-D7