LG LWC1264AAG_AAN_ACE_ACF_ACN_ACP_BAG_BCF_BCG_BCS_ACG / LWC1264PAG_PAN_PCG_QAG_QAS_QAE / LWC1264AHE_AHF_AHG_ABG_BBG / LWC1264PBG_PHG_QBG_VBS / LWC126CGAB0 / LWC1264BAE / W12LH Service Manual ▷ View online
—41—
5.3 ELECTRONIC CONTROL DEVICE
• MODEL : LWC1264PAG/PAB/PCG/QAG/QAS, LWC1264PHG/PBG, LWC1264QAE
7812
IC01D
CAPACITOR
MAIN POWER
RY-MED
RY-LOW
RY-HI
0.1/275V
C01J
SVC271D-14A
HERM
COMP
FUSE
250V/T2A
RY-COMP
G4A-1A-E-LG
FAN
C
FAN
MOTOR
CN-WOR
CN-BK
CN-RD
CN-BL
D02D
D03D
D02D~D05D
POWER TRANS
ZNR01J
7
1
2
4
35V
1N4004
50V
C01D
1000
D04D
D05D
+
O
C02D
0.1
R01J
120 1/2W
RY-4WAY
RY-SYNC
4WAY
S/V-
MOTOR
3
1
1
SYNC
3
3
1
CN-4WAY
1
CN-SYNC
3
PIPE-TH
3
4
12V
2
4
12V
RY-MED
RY-HI
IC01M
ULN2004A
16
15
9
1
2
8
1%
R21H
12.1K
OR1H
RY-COMP
RY-4WAY
RY-LOW
RY-SYNC
0K
R03H
5V
OR2H
13
12
11
14
4
5
6
3
10
7
R22H
12.1K
1%
ROOM-TH
2
1
CN-TH1
SMW250-02
2
1
5V
6.2K
1%
R02H
5
13
CN-DISP
C02F
0.001
50V
16V
C04D
0.01
I
C03D
1000
O
+
12V
C05D
220
10V
7805
IC02D
I
+
50V
0.01
C06D
5V
R01E
5V
1K
R02E
20
20K
R12F
R01L
IC01G
ULN2004A
1K
680pF
C01L
8
12V
9
6
7
4
5
10K
R01F
R02F
10K
0.001
C01F
2
3
1
11
10
13
12
R06G
R07G
R04G
R05G
15
14
16
R02G
R03G
R01G
DRY/HEAT
DEFROST
PKM13EPY
-4002
BZ01E
E/SAVER
6
CN-DISP
16
15
12
2
3
8
10
220
220
11
220
220
9
8
7
10
9
14
6
220
220
7
220
12
11
4
A/RESTART
AIR PURIFIER
A/SWING
RECEIVER
Vout
Vcc
GND
8
10V
88 SEGMENT
C22L
5V
220
+
d
d
Digit1
3
FAN
TIMER
e
1
7
f
g
2
d
COOL
5
4
b
c
a
c
e
g
c
e
g
Digit0
b
a
f
b
a
f
12
Tx
44
MICOM
27
35
34
LED out1
LED out2
Buzzer
Receiver
LED out3
31
32
33
28
29
30
ION
MED
HI
43
42
41
39
38
37
40
36
VDD
SLIDE SW
LED out0
KEY1
KEY0
SEG-f
SEG-g
SEG-d
SEG-e
TMP87CH47U
21
Option1
Option2
COMP
4WAY
SYNC
24
25
26
LOW
HVB
23
22
TEST
VAref
Osc in
Osc out
/Reset
Pipe TH
Room TH
19
20
17
18
VSS
14
15
16
13
5V
7
Digit0 (Scan0)
Digit2 (Scan2)
Digit1 (Scan1)
SEG-a
SEG-c
SEG-b
1
2
3
5
6
4
Digit4 (Scan4)
Digit3 (Scan3)
SDA
SCL
8
9
10
Rx
11
24LC01BT
EEPROM
A2
GND
4
3
2
1
A0
A1
5
6
SCL
SDA
7
8
Vcc
WP
1K
R04P
20K
20K
R03P
R02P
5V
C01A
12.1K
1%
R01H
OSC01B
RT8.00MG
1M
R01B
0.01
50V
5V
S7136
IC01A
R01A
20K
50V
1uF
C02A
+
3.6V
2
3
1
A101S
Q03G
A101S
D05F
TEMP DOWN
TIMER
D02F
5V
17
5V
1
17
1
SW3
D03F
SAVER ENERGY
SW7
TEMP UP
D07F
2
16
SW4
SW2
D01F
FAN
SW1
SW5
MODE
D04F
SW8
AUTO SWING
D08F
10
6
ON/OFF
D06F
SW6
3
15
Q02G
A101S
4
14
5
13
A101S
Q01G
Q04G
5V
—42—
5-4. COMPONENTS LOCATION (FOR MAIN P.C.B ASM)
• MODEL : LWC1264PAG/PAN/PCG/QAG/QAS, LWC1264PBG/PHG/QBG/VBS/QAE
5-5. COMPONENTS LOCATION (FOR DISPLAY P.C.B ASM)
• MODEL : LWC1264PAG/PAN/PCG/QAG/QAS, LWC1264PBG/PHG/QBG/VBS/QAE
—43—
6. EXPLODED VIEW AND REPLACEMENT PARTS LIST
COOLING MODEL
354210
559011
149980
130910
148000
359012
349480
W48602
W48602
349600
346811
554030
130410
352390
349001
267110
152302
147582
147581
135313
552111
W52106-1
W52106-2
W52106-2
352115
352111
352113
35211A
567502
554160
550140
269310
266003
W0CZZ
135500
264110
149410
237200
146812
W0CZZ
146812
135500
263230
266090
268712
237200
238310
268714
264110
135312
249950
249950
—44—
• MODEL: LWC1264AAG/AAN(ACN)/ACE/ACF/ACP, LWC1264BAG(BCG)/BCF/BCS/ACG, LWC126CGAB0, LWC1264BAE
R:Service Parts
135312 GRILLE ASSY, FRONT(SINGLE)
3531A20010C/3531A20129A(3531AR2743V)
3531A20009R(3531A20009B)
3531A20043V 3531A20010P
R
3531A20043D/3531A20002J/3531AR2773T/3531A20009A
3531A20002B/3531A20009T
135313 GRILLE, INLET
3530AR1634A
3530A10034C 3530AR1634A
R
152302 FILTER ASSY, A/C
5231AR1152A
5231AR1152C 5231AR1152A
R
147582 LOUVER VERTICAL
5990AR6291A/4758AR7308A
-
4758AR2888B 4758AR2888B
R
147581 LOUVER, HORIZONTAL
5990AR6191A
4758AR2196C 5990AR6191A
R
130910 CABINET ASSY, SINGLE
3091AR2286H
3091AR2286H 3091AR2286H
R
550140 ANTI-VIBRATION BUSHING
4830AR4335A/4H00982C
4H00982C
4830AR4335A
R
554160 COMPRESSOR
2520UMMP2AA
2520UMMP2AA 5416A20003P
R
567502 OVERLOAD PROTECTOR
6750U-L026A
6750U-L026A
-
R
130410 BASE, SINGLE
3041A20026D
3041A20026F 3041A20026D
R
352390 AIR GUIDE ASSY
5239A10006B
5239A10006C
5239A10006C 5239A10006K
R
349001 DAMPER, VENTILATION
4900AR7024A
4900AR7024A 4900AR7024B
R
349600 MOUNT, MOTOR
4960AR6165A
4960AR6165A 4960AR6165A
R
346811 MOTOR ASSY, SINGLE
4681A20009U
4681A20009U 4681A20009U
R
359012 FAN, SIDE
5900A20002B
5900A20002B 5900A20002B
R
559011 FAN ASSY, AXIAL
5900AR1173A
5900AR1173A 5900AR1173A
R
W48602 CLAMP, SPRING
3H02932B
3H02932B
3H02932B
R
149980 SHROUD
4998AR1496A
4998AR1496A 4998AR1496A
R
148000 BRACE
4800A10001A
4800A10001A 4800A10001A
R
349480 ORIFICE
4948A10005A
4948A10005A 4948A10005A
R
354210 EVAPORATOR ASSY
5421AR2910D
5421AR2910D 5421AR2910D
R
554030 CONDENSER ASSY
5403A20083B(5403A20083A)
5403A20083A 5403AR2921B
R
249950 CONTROL BOX ASSY, SINGLE
4995A10023N/4995A10023S(4995A10023V)
4995A10023T(4995A10023U)
4995A20289H 4995A20289D
R
4995A20236F/4995A20236H/4995A10023Y
4995A10023X/4995A10023P
137215 PANEL, CONTROL
3721A30007C/3721A10013T(3721AR2932E)
3721A30007B(3721A30007A)
3721A10015L 3721A30007B
R
3721A10015B/3721A30009G/3721AR2932E
3721A20045B/3721A30007B
149410 KNOB ASSY
4941A30005B/4941AR3368A(4941AR3368A)
4941A30005B(4995A30005B)
4941AR3705F 4941A30005B
R
4941AR3368C/4940AR7098B/4941AR3368A
4941AR7134E/4941A30005B
W0CZZ CAPACITOR
6120AR2194C
6120AR2194C 6120AR2194E
R
264110 POWER CORD ASSY
2H01580M/2H01159W(3H02255E)
3H02255E, 3H03555A
3H01652N
3H02255E
R
269310 THERMOSTAT ASSY
2H01109K
2H01109K
2H01109L
R
266003 SWITCH, ROTARY
2H00598E
2H01316C
2H00598E
R
146812 SYNC. MOTOR
-
2H01102A
2H00598E
2H01102A
R
PART NO.
DESCRIPTION
LWC1264AAG/AAN(ACN)/ACE/ACF/ACP/ACG
LWC1264BAG(BCG)/BCF/BCS
LOCATION
NO
.
REMARK
LWC1264BAE LWC126CGAB0
Click on the first or last page to see other LWC1264AAG_AAN_ACE_ACF_ACN_ACP_BAG_BCF_BCG_BCS_ACG / LWC1264PAG_PAN_PCG_QAG_QAS_QAE / LWC1264AHE_AHF_AHG_ABG_BBG / LWC1264PBG_PHG_QBG_VBS / LWC126CGAB0 / LWC1264BAE / W12LH service manuals if exist.