LG AS-H0766KA2 / AS-H0966KA2 / AS-H126RKA2 / LS-H0766KA2 / LS-H0966KA2 / LS-H126RKA2 / LS-C126RKA2 Service Manual ▷ View online
Service Manual 33
Disassembly
Disassembly
Indoor Unit
Disconnect the unit from power supply before mak-
ing any checks.
Be sure the power switch is set to “OFF”.
ing any checks.
Be sure the power switch is set to “OFF”.
To remove the Grille from the Chassis.
• Set the up-and-down air discharge louver to open
• Set the up-and-down air discharge louver to open
position (horizontally) by finger pressure.
• Remove the securing screws.
• To remove the Grille, pull the lower left and right
• To remove the Grille, pull the lower left and right
side of the grille toward you (slightly tilted) and lift it
straight upward.
straight upward.
1. Before removing the control box, be sure to
take out the wire screwed at the other end.
Earth
Conductor
Conductor
34 Room Air Conditioner
Disassembly
2. To remove the Control Box.
• Remove securing screws.
• Pull the control box out from the chassis
• Pull the control box out from the chassis
carefully.
3. To remove the Discharge Grille.
• Unhook the discharge grille and pull the
discharge grille out from the chassis carefully.
4. To remove the Evaporator.
• Remove 3 screws securing the evaporator(at the
left 2EA in the Eva Holder, at the right 1EA).
Caution label
• When repair, do not damage the Caution label.
Service Manual 35
Disassembly
• Unhook the tab on the right inside of the chassis
at the same time, slightly pull the evaporator
toward you until the tab is clear of the slot.
toward you until the tab is clear of the slot.
5. To remove the Motor Cover
• Remove 2 securing screw.
• Pull the motor cover out from the chassis
• Pull the motor cover out from the chassis
carefully.
6. To remove the Cross-Flow Fan
• Loosen the screw securing the cross-flow fan to
the fan motor (do not remove).
• Lift up the right side of the cross-flow fan and the
fan motor, separate the fan motor from the
cross-flow fan.
cross-flow fan.
• Remove the left end of the cross-flow fan from
the self-aligning bearing.
Motor cover
36 Room Air Conditioner
Schematic Diagram
Schematic Diagram
44
ANI0
ANI1
ANI4
ANI3
ANI6 / LED1
ANI5
ANI7 / LED2
I
T
0
12
N
ANI2
3
8
11
10
9
7
6
5
4
A
2
1
R
F
E
V
31
X
18
15
Z
B
N
1
13
T
14
I
T
V
16
D
17
D
D
26
21
R
D
X
19
20
V
22
P
P
23
RESET
24
25
VSS0
X1
X2
27
28
VDD0
29
30
38
41
A
D
V
D
43
42
40
39
35
37
36
32
33
34
FORCE
FAN
12V
COMP
4WAY
FAN
L(AC)
LOAD
COMP
4WAY
OR
RD
YL
PK
BL
R1,R2=4.7K
(SRC1201S)
VOLTAGE GND
TCET1109-3208
R03L,1%
27K,1/4W
12K R04L
PKM13EPY-4002
RY-4WAY
12V
6
6
103
6
6
FORCE
SW(FORCE)
OUTDOOR
220,1/4W
220,1/4W
R02G
OPERATION
LED1
LED2
R01G
2
1
33
1
2
5
44
5
AC PART
220/10V
C12L
3
2
1
2
1
3
4
55
4
5V
220,25V
O
I
7805
C05D
220/10
5V
+
103/25V
C04D
100/25V
C02D
VOLTAGE GND
DC LOW
C03D
103/25V
4.7K,1/6W
R01D
+
ICO1A
S78DL05L
L02D
CHIP
R2
R1
Q01G
Q02G
Q03G
12V
L01D
BEAD
S
C05J
0.1uF,100V
4.7K,1/6W
5
8
102,1KV
C06D
R02D
UF4004
C01D
+
D01D
1
3
+
100,1/8W
R02J
27K,1/4W
C
+
D06J
1N4937
R01J
DC LOW
6.8/450
C03J
IC01L
INT
1uF,50V
SMPS
EE1916S
Lp=3.44mH
102,1KV
C06J
C04J
1K
2SC5343
Q01L
KTC3198-Y
LNK500P
IC01J
LINKSWITCH
D
C01L
103
NTC SCK-102
R01E
5V
R02E
20
BZ01E
103
C14L
R1,R2=4.7K
(SRC1201S)
Q01G~04G
R21H-26H
12.1K,1%
F3,OR3H
F1,OR1H
HIGH,OR6H
LOW,OR4H
MIDDLE,OR5H
F2,OR2H
OPTION
DISPLAY
RECEIVER
GND
Vout
Vcc
SMAW-200
CN-DISP1
100,1/4W
C13L
104
R13L
6
6
77
4
4
3
3
5
5
8
77
8
5V
R12L
5.1K,1/8W
1K,1/6W
R11L
7
6
7
6
3
5
4
3
5
4
CN-OPTION
2
2
1
1
PIPE-TH
ROOM-TH
3
3
SMW-200
1
2
1
2
1
2
1
2
DC PART
CN-TH1
SMAW-200
4
4
OR3H
680pF/50V
OR1H
C11L
OR2H
5%
OR1H-6H
OR5H
Q04G
OR4H
OR6H
R26H
R25H
R24H
R23H
R22H
OPERATION
TIMER
HIGH
MIDDLE
LOW
OPTION3
OPTION2
103
C01p
R05H
R04H
6.2K
CAT24WC01J
EEPROM
5V
R21H
5V
R02H
12.1K
10K
A0
A1
A2
4
3
G
2
1
C02HJ
C01H
R01H
103
103
R03H
10K
10K
OPTION1
PIPE
ROOM TH
7
R01P
WP
SCL
SDA
5
6
20K
5V
Vcc
8
R02P
R03D
100
20K
uPD78F9166GB
NEC(16K)
FAN-IN
FAN-OUT
C08D
103
C09D
5V
1N4148
R1
Q01M
R2
D01M
SMAW-200
FAN MOTOR
INDOOR
100nM/275V,436D
TVR10561
ZNR01J
R03F
100,1/2W
R02F
680,1/2W
1N4007
D02J
VOLTAGE GND
1N4148
2
3
DC HIGH
300K,1/2W
5V
1
4
R01L
D01L
R02L
300K,1/2W
D03J
1N4007
47nM/275V/435D
C02J
C01J
40mH/1A
NF01J
D04J
1N4007
1N4007
D05J
INT
56K
R05L
5V
D01J
1N4007
R14L
1K
20K
R15L
5V
10K,1/6W
C03T
R01F
560,1/4W
INDOOR FAN
12V
3
2
4
1
5
GND
12V
5V
33
22
11
44
55
250V/T2A
FUSE
RY-4WAY
RY-FAN
4
4
3
3
CN-N2
CN-N1
3
4
RY-COMP
G4A-1A-E-LG
1
1
1
1
2
3
1
3
2
1
100nM/275V/436D
T2
T1
TVR10561
ZNR01F
120,1/2W
C01F
R04F
CN-4WAY
CN-MOTOR
3
2
1
3
2
1
4
3
MOTOR
COMPRESSOR
R01P
R01P
AC220-240V
50/60HZ
1(L)
5
2
4
3
1
3
4
2
5
1
4WAY
2N
MOTOR
OUTDOOR FAN
SH-CAPACITOR
3
3
103
C01A
OSC01B
CRTL4.00MSOT
10uF/50V
C02A
R01A
1K
+
R01B
1M
103
C07D
5V
7
8
9
10
4.7K
S7136
IC01A
KIA7036P
3.6V
100
R03A
3
5V
2
1
CN-CENT
R02A
12V
5
5
3
4
11
5
4
12
13
6
2
14
15
3
16
1
INDOOR FAN
RY-COMP
2
2
1
1
SMAW-200
CN-U/D
RY-FAN
REALY CONNECTION
STEPPING MOTOR
(UP/DOWN)
IC01F
IL440-2
TR01F
SM1L43
Electric Control Device
• Heat Pump Model(LED TYPE)
Click on the first or last page to see other AS-H0766KA2 / AS-H0966KA2 / AS-H126RKA2 / LS-H0766KA2 / LS-H0966KA2 / LS-H126RKA2 / LS-C126RKA2 service manuals if exist.