LG AS-C186TLB1 / AS-C186TLM1 / AS-C186TMA1 / AS-C186TNA1 / AS-C246TLB0 / AS-C246TLM0 / AS-C246TMA0 / AS-C246TNA0 / AS-H146TLM0 / AS-H186TLB0 / AS-H186TLM0 / AS-H186TMA0 / AS-H186TNA0 / AS-H246TLB0 / AS-H246TLM0 / AS-H246TMA0 / AS-H246TNA0 Service Manual ▷ View online
Service Manual 41
Schematic Diagram
Heat Pump Model(LED TYPE)
VP
16
1
5V
5V
R09H
C104S
Q03T
A104S
Q01T
5V
1K
C104S
Q02T
CN-TELE
C01D
C01T
100uF/25V
0.001uF
1N4148
D01T
A104S
Q04T
50V
TX
5V
C06H
0.1uF/50V
R01T
0.001uF
50V
C02T
RX
1K
CST-3.58M
OSC02B
ZD02H~ZD03H
5.1V, 1/2W
4.7K
R02A
R03A
100
10uF
50V
C01A
RST
R01A
1K
+
KIA7036P
IC01A
1
2
3
5V
DSO
Q2
Q3
Q0
DE
EST
15
Q1
D2
NC
X2
D3
DV
12
13
14
VSS
D0
NC
OE
10
11
D1
100K
VREF
X1
R01X
5
8
9
6
4
7
0.1uF/50V
C02H
RY-HOOK
ZNR01
R19H
BSP351L
R15H
10K
R18H
2.7 1/2W
2.7 1/2W
BD
C05H
100V
0.01uF
G6A-234P,5V
HR93F,5V
8
4
R12H
LM358
OP-AMP
1K
-
+
6
5
5V
ZD04H~ZD05H
CN-PHONE
3.9V, 1/2W
1uF DC250V
C01H
ZD05H
ZD04H
R01H 6.2K/1W
RST
DE
BD
100K
R07H
4.7K
R03H
7.5K
C03H 22uF
50V
+
R14H
R13H
750
270
ZD02H
C08H
7
50V
0.1uF
0.15uF
63V
C11H
ZD03H
5V
R05H
27
Q03M 2222A
2
27
3
R06H
63V
Q01M C3198Y
R01M 4.7K
C09H 1uF
+
1N4004
D01M
100K
R16H
TRANS
T1
1/4W
6.2K
R02H
ZD01H
1.5KE56A
1N4004
D01H~D04H
KTC2016
PC01H
1
R04H
4
TLP621BL
5V
Q02M
RA3
2K
0.1uF
C02X
16
OSC2
15
OSC1
14
4
5
VSS
MCLR
3
T0CLK
RB4
9
RB3
13
6
RB0
RB5
10
RB6
11
12
8
7
RB2
RB1
RB7
VDD
OP2
10K
DE
DSO
5V
IC-DTMF
(ST9170)
HT9170B
VN
VDD
18
GS
RI
17
50V
51K
R17H
2
3
5V
R01B
1M
Q0
Q3
Q2
Q1
50V
CST-4.00MGW
OSC01B
C01X
0.01uF
16V
MICOM
RA1
18
17
RA0
1
RA2
2
PIC16C54CR
C04H 1uF
R08H
5V
OP1 10K
TX
RX
S/W(FORCE)
Operation
Defrost
Timer
Sleep
9
13
14
12
16
15
11
10
17
22
20
19
19
21
18
23
24
63
4
1
3
2
64
5
6
8
7
59
61
60
62
58
57
40
31
25
28
27
26
30
29
36
35
37
33
38
39
34
32
50
53
54
54
55
51
52
56
45
46
48
47
49
44
41
42
43
DISPLAY
R02E,20
UPD780023AGC-C
ZBF503D
ZD02D
VOLTAGE GND
BZX55C11
2
1
6
8
7
4
5
3
HVB
LED1
LED2
LED3
LED4
C01A
RECEIVER
104
Vout
GND
Vcc
R02G 220
R03G 220
R04G 220
R01G 220
AC PART
5V
25V
10V SD
R02D
DC LOW
1/6W
20K
S78DL05L 1W
103
C08D
+
220
C09D
I
O
7805
IC04D
25V
103
C07D
12V
25V SD
C06D
330
L1
IC01G
KID65004AF
HVB OUT
12V
3
3
1
1
3
2
1
2
2
1
2
1
3
2
2
CN-CONT
CN-12V
1
1
3
2
3
CN-HVB
Option
1
2
5V
R11H~R14H
20K 2012
receiver
+
6
6
6
8
7
8
7
8
7
2
1
5
4
3
4
5
1
2
33
4
2
5
1
5V
9
5V
10V
C02L
220uF SD
5V
R11H
OJ1H
OJ2H
OJ3H
8
7
6
5
EEPROM
Vcc
SCL
SDA
WP
G
1
2
3
A0
A1
4
A2
CAT24WC01J
R14H
R13H
R12H
20K
R01P
2012
R02P
20K
2012
OJ4H
5V
8
20K
R02F
7
3
4
5
2
6
1
5V
Vss0
Vdd0
C04C
103
A
d
1
d
V
NEC
TERMINAL BOARD
STO2D-200
SD01D
TNY266P
DC HIGH
VOLTAGE GND
D
5
4
1
IC02D
DC HIGH
VOLTAGE GND
TLP421(V4 BL)
C05D
472M
3
2
104
50V
C02D
EN
4
S
2
BP
1
D07D
UG2D
470/35V/SD
C03D
681
RY-4WAY
1/6W
R03D
39
+
C04D
1
8
5V
CN-ACDC
CN-ACDC2
INT
3
6
2
7
12V
SMPS
5
4
4
5
7
2
6
3
RY-FAN
RY-COMP
4.7uF
VOLTAGE GND
TLP421(V4 BL)
450V/SD
IC01D
DC LOW
IC03D
LL4148
D08D
VOLTAGE GND
1
4
DC HIGH
2
3
1/4W
300K
R06D
NTC SCK-102
+
C01D
INT
INDOOR FAN
12V
8
1
12V
12V
R05D
1/4W
300K
3216
5V
27k
1/6W
R04D
D05D
1N4007
IN4007
D01C
D01A
IN4007
R01E
1K
1%
OR1H
F1
OR5H
Med
L2
10nH
Hi
OR6H
OR3H
O/L
OR2H
F2
OR4H
Low
C02C
220uF 10V/SD
5V
+
5V
R21H
INT
4WAY
5V
FAN
COMP
R22H
R25H
R26H
R24H
R23H
R21H~R26H
12.1K, 1%
5V
X2
RESET
AVdd
AVref
s
s
V
A
C03C
103
INT1
X1
Vss1
INT0
B
Z
CSTS0800MG03-T2
CRTL8.00MSOT
OSC01B
5V
R01B
1M
Q01C
2SC5343
KTC3198-Y
33
6.2K
12.1K
INDOOR FAN
12V
1%
R05H
10K
1
1
2
2
3.6V
2
1
C01A
3
50V
0.01
R02A,20K
R04H
R02H
KIA7036P
S7136
IC01A
5V
5V
680pF/50V
C01L
R01L 5.1K
R02L,1K
R07D
56K
R06D
12K
BZ01E
5V
receiver
PKM13EPY-4002
5V
INT
44
CN-TH
SM1L43
TRAICS
RY-FAN
250V/T2A
G5N-1A(G5NB-1A)
RY-4WAY
G5N-1A(G5NB-1A)
TVR10561
METAL FILM
METAL FILM
47nM/275V/435D
100nM/275V/436D
4
4
3
3
1/4W
560
R04J
INDOOR FAN
IN4007
D01D
IN4007
D01B
C02J
12V
IC01J
TR01J
TLP762JF
15mH/1A
NF01J
C01J
R02J
100,1/2W
T1
FUSE
ZNR01J
4
5
3
1
2
T2
R03J
680
1/2W
11
13
RY-COMP
G4A-1A-E-LG
12
15
1
4
3
1
1
CN-TAB1
120, 1/2W
RY-COMP
100nF/275V/436D
METAL FILM
C03J
ZNR02J
TVR10561
1
12V
2
6
8
R01J
2
3
1
2
3
1
CN-MOTOR
12V
RY-COMP
1
3
6
9
5
2
4
SH-CAPACITOR
FAN
MOTOR
INDOOR
PIPE-TH
ROOM-TH
+
1
2
3
3.6V
1
1(L)
1
N
L
AC220~240V
50/60Hz
COMPRESSOR
5
2
4
2(N)
4
3
OUTDOOR
FAN MOTOR
4-WAY
PK
16
(UP/DOWN)
STEPPING MOTOR
9
KID65004AF
DC PART
CN-U/D
3
2
YL
OR
RD
4
5
PK
BL
1
3
2
4
5
1
COMP
HVB OUT
12V
INDOOR FAN
3
2
8
1
4
5
IC01M
6
7
1
STEPPING MOTOR
(LEFT/RIGHT)
BL
2
2
Option
Q03T
C104S
Q02T
A104S
4WAY
9
8
12
13
14
10
11
4
3
7
5
6
FAN
2
15
KID65004AF
IC02M
CN-L/R
RD
5
4
5
4
OR
1
1
3
3
YL
12V
1K
5V
C03T
102
R01T
102
A104S
Q04T
Q01T
C104S
5V
C02T
22
104
1N4148
D01T
1
1
CN-TEL
5V
C01T
33
TELE (OPTION)
2
1
42 Room Air Conditioner
Schematic Diagram
VN
2
10K
-
6
0.001uF
Q03T
A104S
C104S
50V
5V
R09H
BD
A104S
Q01T
5V
1K
C104S
Q02T
5V
CN-TELE
C01D
100uF/25V
1N4148
50V
D01T
Q04T
0.001uF
C01T
8
4
LM358
OP-AMP
+
5
TX
5V
C06H
0.1uF/50V
R01T
1K
C02T
RX
CST-3.58M
OSC02B
10uF
100
50V
ZD02H~ZD03H
5.1V, 1/2W
R03A
4.7K
R02A
C08H
7
50V
0.1uF
0.15uF
63V
C01A
RST
R01A
1K
+
C11H
ZD03H
TRANS
KIA7036P
IC01A
1
2
3
5V
T1
0.1uF
C02X
DSO
Q2
Q3
Q0
DE
VDD
18
51K
R17H
15
Q1
D2
NC
X2
D3
DV
12
13
14
VSS
D0
NC
OE
10
11
D1
100K
EST
VREF
X1
GS
VP
RI
R01X
17
16
1
5
8
9
6
4
7
50V
3
0.1uF/50V
C02H
ZNR01
BSP351L
R15H
CN-PHONE
R18H
R19H 2.7 1/2W
2.7 1/2W
C05H
100V
0.01uF
G6A-234P,5V
RY-HOOK HR93F,5V
R12H
1K
5V
ZD04H~ZD05H
3.9V, 1/2W
1uF DC250V
C01H
ZD05H
ZD04H
R01H 6.2K/1W
RST
100K
R07H
DE
BD
Q02M
R03H
7.5K
1/4W
6.2K
R02H
C03H 22uF
50V
+
ZD01H
1.5KE56A
R14H
R13H
750
270
ZD02H
KTC2016
5V
R05H
27
Q03M 2222A
2
27
3
PC01H
1
R04H
4.7K
4
R06H
TLP621BL
63V
100K
R16H
Q01M C3198Y
R01M 4.7K
C09H 1uF
+
1N4004
D01M
1N4004
D01H~D04H
5V
1uF
16V
MICOM
16
OSC2
15
OSC1
14
RA1
18
17
RA0
4
5
VSS
MCLR
3
T0CLK
1
RA2
RA3
2
PIC16C54CR
RB4
9
5V
IC-DTMF
(ST9170)
HT9170B
RB3
13
6
RB0
RB5
10
RB6
11
12
8
7
RB2
RB1
RB7
VDD
2K
R08H
OP1
OP2
10K
10K
DE
DSO
5V
R01B
1M
TX
RX
CST-4.00MGW
OSC01B
Q0
Q3
Q2
Q1
50V
C01X
0.01uF
C04H
5V
7
8
10
11
9
15
16
17
12
14
13
24
23
18
21
19
20
22
63
2
3
1
64
4
6
5
57
58
62
60
61
59
31
29
30
26
27
28
25
42
41
39
38
40
32
34
33
37
35
36
50
52
51
55
54
53
56
49
47
48
46
43
45
44
PK
16
UPD780023AGC-C
ZBF503D
ZD02D
BZX55C11
VOLTAGE GND
DISPLAY
KID65004AF
220 1/8W
R11H~R17H
HVB
104
SW(FORCE)
RECEIVER
Vout
A
3
R11H
OPERATION
LED1
1
2
Vcc
GND
C01A
SLEEP
LED2
LED3
TIMER
OUTDOOR
LED4
BC
4
R17H
R12H
R14H
R15H
R16H
R13H
AC PART
5V
C08D
103
25V
C09D
10V SD
220
+
R02D
1/6W
20K
DC LOW
S78DL05L 1W
I
IC04D
7805
O
12V
C07D
103
25V
L1
330
C06D
25V SD
KID65004AF
9
2
2
22
Force
12V
HVB OUT
1
1
1
1
2
1
3
2
2
1
2
3
3
2
2
3
1
1
CN-12V
CN-CONT
1
1
1
3
2
Option
CN-HVB
1
3
2
20K 2012
R11H~R14H
C02L
10V
220uF SD
+
5V
receiver
4
7
7
8
7
6
5
4
3
7
8
7
6
5
4
3
3
5
6
7
8
7
8
CN-DISP2
5
3
4
7
6
5
6
2
3
4
1
1
5
6
2
3
4
4
2
3
1
6
5
2
3
1
4
CN-DISP1
5
6
5V
Q12G
Q11G
KRA107S
KRA107S
KRA107S
Q13G
5V
R13H
OJ1H
R11H
R12H
OJ2H
OJ3H
5
6
7
8
A2
4
A1
A0
3
2
1
G
WP
SDA
SCL
Vcc
EEPROM
R14H
CAT24WC01J
5V
2012
20K
R02P
2012
R01P
20K
OJ4H
Force
1
8
IC01G
5V
5V
6
5
7
4
3
2
Vdd0
Vss0
C04C
103
R02F
20K
V
d
1
d
A
NEC
STEPPING MOTOR
(UP/DOWN)
9
DC PART
BL
PK
5
4
RD
1
OR
YL
2
3
5
CN-U/D
4
1
2
3
INDOOR FAN
12V
HVB OUT
COMP
7
5
6
4
1
IC01M
8
2
3
1
STEPPING MOTOR
2
2
BL
(LEFT/RIGHT)
Option
TERMINAL BOARD
+
SD01D
STO2D-200
TNY266P
VOLTAGE GND
DC HIGH
IC02D
TLP421(V4 BL)
DC HIGH
VOLTAGE GND
4
3
1
2
472M
C05D
C02D
50V
104
5
4
EN
1
BP
D
2
S
RY-4WAY
681
C03D
470/35V/SD
UG2D
D07D
39
R03D
1/6W
C04D
+
8
1
CN-ACDC2
CN-ACDC
5V
6
3
10V/SD
220uF
7
2
C02C
12V
INT
RY-COMP
SMPS
RY-FAN
4
5
5
4
2
7
3
6
300K
1/4W
R04D
27k
VOLTAGE GND
TLP421(V4 BL)
450V/SD
C01D
+
IC01D
4.7uF
INT
IC03D
DC LOW
3216
D08D
LL4148
VOLTAGE GND
1/6W
1
2
4
DC HIGH
3
300K
R06D
1/4W
NTC SCK-102
12V
INDOOR FAN
1
8
12V
12V
R05D
1N4007
D05D
5V
IN4007
D01A
D01C
IN4007
1K
R01E
1%
F1
OR1H
10nH
L2
Med
OR5H
OR6H
Hi
5V
F2
OR2H
O/L
OR3H
Low
OR4H
5V
R25H
12.1K, 1%
R26H
R21H
INT
4WAY
5V
FAN
COMP
R24H
R23H
R22H
R21H~R26H
5V
Vss1
X1
X2
AVref
AVdd
RESET
A
V
s
s
103
C03C
INT0
INT1
Z
B
Q01C
CRTL8.00MSOT
CSTS0800MG03-T2
OSC01B
5V
1M
R01B
KTC3198-Y
2SC5343
CN-TH
INDOOR FAN
12V
10K
R05H
6.2K
R04H
1%
12.1K
R02H
5V
2
2
11
3
3
4
4
3.6V
R06D
56K
R02A,20K
0.01
50V
3
C01A
1
2
INT
5V
IC01A
S7136
KIA7036P
R02L,1K
R01L 5.1K
C01L
R02E,20
12K
R07D
680pF/50V
PKM13EPY-4002
receiver
5V
BZ01E
5V
G5N-1A(G5NB-1A)
RY-4WAY
G5N-1A(G5NB-1A)
250V/T2A
RY-FAN
TRAICS
SM1L43
TVR10561
47nM/275V/435D
C02J
METAL FILM
METAL FILM
100nM/275V/436D
C01J
3
3
4
4
ZNR01J
R04J 560 1/4W
12V
INDOOR FAN
D01B
IN4007
D01D
IN4007
5
TLP762JF
2
3
IC01J
NF01J
15mH/1A
4
FUSE
T1
100,1/2W
R02J
T2
TR01J
1
1/2W
680
R03J
8
11
13
6
G4A-1A-E-LG
RY-COMP
12
9
6
15
2
CN-TAB1
1
3
1
4
1
1
1
C03J
METAL FILM
100nF/275V/436D
120, 1/2W
R01J
RY-COMP
ZNR02J
TVR10561
2
12V
1
CN-MOTOR
3
2
3
2
RY-COMP
12V
3
1
4
5
SH-CAPACITOR
INDOOR
MOTOR
FAN
ROOM-TH
PIPE-TH
+
1
2
3
3.6V
4-WAY
COMPRESSOR
2(N)
2
L
N
1
1(L)
1
50/60Hz
AC220~240V
3
4
4
5
FAN MOTOR
OUTDOOR
Q03T
A104S
Q02T
C104S
8
9
4WAY
FAN
6
5
7
34
2
11
10
15
14
13
12
12V
IC02M
KID65004AF
CN-L/R
1
1
OR
4
5
4
5
RD
3
3
YL
C03T
102
R01T
1K
5V
Q04T
C104S
Q01T
A104S
102
C02T
5V
104
C01T
D01T
1N4148
2
1
2
1
3
3
CN-TEL
5V
TELE (OPTION)
1
2
HVB TYPE(PLASMA)
Service Manual 43
Schematic Diagram
Components Location
MAIN P.W.B ASSEMBLY (AC PART)
• COOLING MODEL
• COOLING MODEL
• HEAT PUMP MODEL
MAIN P.W.B ASSEMBLY (DC PART)
• TOP VIEW
• TOP VIEW
• BOTTOM VIEW
44 Room Air Conditioner
Schematic Diagram
K
K
– 6871A20390
• TOP VIEW
• TOP VIEW
• BOTTOM VIEW
C01A
C01A
88SEG
– 6871A20391
• TOP VIEW
• TOP VIEW
• BOTTOM VIEW
Click on the first or last page to see other AS-C186TLB1 / AS-C186TLM1 / AS-C186TMA1 / AS-C186TNA1 / AS-C246TLB0 / AS-C246TLM0 / AS-C246TMA0 / AS-C246TNA0 / AS-H146TLM0 / AS-H186TLB0 / AS-H186TLM0 / AS-H186TMA0 / AS-H186TNA0 / AS-H246TLB0 / AS-H246TLM0 / AS-H246TMA0 / AS-H246TNA0 service manuals if exist.