LG Electronics LW1800PR, HB1803R, LWP1830WAL, LWP1820PDL, LWP1820PEL, LWC182PLMM0, LWC212PLMM0 Segment

Page 24

24 Room Air Conditioner

CN-TELE

SMW200-03 (RD)

33

22

1 1

5V

C01T

0.1

50V

 

5V

 

 

 

C02T

Q03T

R01T

 

 

0.001

C104M

1K

Rx

11

 

D01T

 

C03T

 

12

Q04T

 

 

1N4148

0.001

 

 

 

A104M

25V

 

 

 

5V

 

 

 

 

Q01T

 

 

ROOM-TH

 

C104M

 

Tx

 

Q02T

 

2

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

R01A

 

 

CN-TH1

5V

 

 

20K

 

 

 

 

 

 

1

SMAW200-02

 

 

OSC01B

 

 

1

R04H

R02H

RT8.00MG

 

1

2

2

6.2K

12.1K

 

3

3.6V

 

 

 

 

5V

IC01A

Model

EEPROM

R04P

Auto Restart

O

X

Non Auto Restart

X

O

Schematic Diagram

CN-TH2

SMW250-02

11

22

A104M

10

J7

1%

1%

 

+ C02A

 

 

R01B

C01A

2

 

1M

0.01

1uF

 

3

 

50V

10V

 

 

 

 

 

5V

S7136

EEPROM

 

CAT93C46

1

A0

Vcc

8

2

A1

WP 7

3

A2

SCL 6

R04P

5V

R02P R03P

20K 20K

PIPE-TH

HVB

SW2

CN-HVB

 

 

SMW200-03(BL)

 

 

3

3

 

 

 

 

 

2

2

 

 

 

RY-COMP

4

 

 

 

1

1

 

 

 

 

 

 

 

 

12V

 

 

 

 

 

 

RY-4WAY

5

1

1

 

 

 

CN-CONT J5

RY-LOW

2

2

6

 

R21H

 

 

12.1K

 

 

1%

 

 

OR1H

 

9

10

7

 

11

6

8

12

5

7

13

4

R22H

12.1K

1%

OR2H

5V

R01P

20K

COMP

SYNC

4WAY

LOW

5V

Option2

 

Option1

 

Pipe TH

 

Room TH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

VAref

 

VSS

Osc out

 

Osc in

 

/Reset

 

TEST

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

22 21 20 19 18 17 16 15 14 13 12

2311

2410

25

 

9

26

 

8

R05P

Rx 10K

SDA

SCL

Digit4 (Scan4)

R06P

4 GND SDA 5

R04P

1K

5V

Q03G

SW1

3

3

 

 

SMW200-03(YL)

7

 

 

 

 

 

 

RY-MED

8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RY-HI

9

3

3

 

 

 

 

 

 

 

 

 

CN-12V

 

2

2

 

 

 

 

 

SMW200-03(WH)

 

 

 

 

 

 

1

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Model

RY-4WAY

J07

CN-4WAY

CN-TH2

 

 

 

 

 

 

 

 

 

Cool Only

X

O

X

X

CN-4WAY

Heat Pump

O

X

O

O

 

YW396-03AV(YL)

 

 

 

 

 

6

14

3

5

15

2

4

16

1

12V

9

8

 

 

 

IC01M

 

ULN2004A

5V

Vcc

 

+

 

 

C02L

 

Vout

220

 

 

10V

GND

 

RECEIVER

HVB

ION

MED

HI

Receiver

Buzzer

LED out3

R01L

1K

C01L

680pF

50V

27

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MICOM

 

 

 

 

 

7

28

 

 

 

 

 

 

 

 

 

 

 

TMP87CH47U

 

 

 

 

6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

29

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

31

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3

32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

33

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

 

34

35

36

37

38

39

40

41

42

43

44

 

 

LED out2

 

 

LED out1

 

 

LED out0

 

 

KEY1

 

 

KEY0

 

 

SLIDE SW

 

 

VDD

SEG-g

 

SEG-f

SEG-e

SEG-d

 

 

 

 

 

 

 

Digit3 (Scan3)

Digit2 (Scan2)

Digit1 (Scan1)

Digit0 (Scan0)

SEG-a

SEG-b

SEG-c

10K

C01F

R01F

0.001

10K

A101S

Q02G

A101S

 

 

Q01G

 

 

A101S

FAN

TEMP DOWN

ON/OFF

SW01G

SW02G

SW03G

D01G

D02G

D03G

TIMER

MODE

TEMP UP

S/V-

4WAY

FAN

MOTOR

CAPACITOR

FAN

C

HERM

MAIN POWER

COMP

3

3

RY-4WAY

1

1

 

 

 

CN-MOTOR

 

 

YW396-09AV

1

1

RY-HI

3

3

RY-MED

5

5

RY-LOW

77

99

CN-PWR

YW396-03AV

33

1 1

C01J

0.1/275V

R01J

120 1/2W

ZNR01J

SVC271D-14A

SVC271D-14A

RY-COMP

G4A-1A-E-LG

FUSE

250V/T2A

3

 

 

 

5V

 

 

 

 

 

12V

 

2

 

 

 

 

 

 

 

 

 

 

1

 

 

 

CN-AC/DC

 

 

 

 

 

51580-12

 

 

 

 

 

52045-1245

 

 

 

 

 

STRAIGHT

 

POWER TRANS

 

 

 

 

1

7

D05D

 

IC01D

 

D02D

 

 

 

 

 

 

O

I

 

 

D04D

 

7812

 

D03D

+

 

 

2

 

C02D

C03D

4

C01D

 

D02D~D05D

1000

 

0.1

1000

 

1N4004

35V

 

50V

16V

12V

IC02D

OI

7805

+

C04D

0.01

25V

BZ01E

 

PKM13EPY

 

-4002

 

10

 

C05D

+

 

220

 

10V

 

11

12V

12

CN-AC/DC

51581-12(YEONHO)

52044-1245(MOLEX)

ANGLE

5V

C05D

0.01

25V

R02E

20

R01E

1K

5V

C06D

0.01

50V

R12F

10K

5V

5V

 

C02F

R03F

 

 

0.001

10K

 

 

IC01G

 

 

 

ULN2004A

 

 

1

16

R01G

680

2

15

R02G

680

3

14

R03G

680

4

13

R04G

680

5

12

R05G

680

6

11

R06G

680

7

10

R07G

680

8 9

12V

SW04G

 

SW05G

SW06G

 

D04G

D05G

 

 

D06G

 

 

 

 

 

 

10

 

5

 

 

Digit1

 

 

Digit0

 

 

3

a

 

 

 

 

 

 

 

a

 

a

COOL

9

b

 

 

 

 

 

 

 

 

 

 

DEFROST

8

c

f

b

f

b

 

 

 

 

 

 

DRY/HEAT

6

d

 

g

 

g

TIMER

 

 

 

7

e

 

 

 

 

 

 

 

 

 

 

FAN

4

f

e

c

e

c

E/SAVER

 

 

 

 

 

1

g

 

 

 

 

 

 

 

d

 

d

88 SEGMENT

Page 23 Page 25
Image 24
Page 23 Page 25
Contents LG Room Air Conditioner Table of Contents Safety Precautions Be sure not to do Be sure to follow the instructionSharp edges Dimensions Symbols Used in this ManualOutside Dimensions Product Specifications ModelsItems Installation Installation CheckHow to Secure the Drain Pipe Select the Best LocationHow to Install When Using Installation KitsInstallation Kits Contents Window RequirementsSuggested tool Requirements SCREWDRIVER+, -, RULER, KNIFE, HAMMER, PENCIL, LevelPreparation of Chassis Cabinet Installation Window installation of room air conditioner is now completed Display Remote Control OperationFunction of Controls High LOW MEDRemocon Signal Receiver Auto Swing DisplayLWP1820PDL/PEL Display Remote Control Signal Receiver Auto SwingDisassembly Mechanical PartsFront Grille CabinetAir Guide and Turbo Fan FANElectrical Parts ShroudOverload Protector CompressorPower Cord CapacitorRefrigerating Cycle MotorEvaporator Capillary Tube Pulling Vacuum Diagram DeviceSegment Model LWP1820PDL/LWP1820PEL LW1800ER/LWP1830WALModel LWC182PLMM0/LWC212PLMM0 LWC182PLMD1Components Location LW1500PR/LWP1830WALLWP1820PDL/LWP1820PEL HBLG1803R LWC183PLMD1Schematic Diagram Troubleshooting Guide Piping SystemTroubleshooting Guide Unit runs but poor coolingIneffective Cooling Fails to Start Electrical Parts Troubleshooting Guide Possible Trouble Unit does not operatePossible Trouble Possible Trouble FAN does not operate Possible Trouble Function of Energy Saver does not operatePossible Trouble It displays abnormally on DC PCB Ass’y ElectrIc Parts Check the wiring Diagram Replace AC PCB Assy Possible Trouble Remote controller does not operate Replace IC03G Troubleshooting Guide Complaint Cause RemedyTroubleshooting Guide Exploded View Cooling ModelHeating Model Description Remark LW1800PRZ3Replacement Parts List Description Remark LWP1820PDLLW1804ER LW1800PR LW1800ER Discharge TubeLWP1820PEL LWC183PLMDI Description Remark HBLG183R No A20140E
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