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LG Electronics LSC183VMA service manual Indoor Unit, DiagramSchematic, Outdoor

Models: LSC183VMA

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DiagramSchematic

SUB PCB ASM

STEPPING MOTOR

STEPPING MOTOR

STEPPING MOTOR

STEPPING MOTOR

STEPPING MOTOR

	LED2
	SLEEP		1	1
	LED3		1	1
	LED3
	TIMER		2	2
	LED4		2	2
	LED4
	DEFROST		3	3
	LED1		3	3
	LED1
	ON/OFF		4	4
			4	4
DC 5V	TEST		5	5
	TEST		6	6
	KEY		6	6
GND			7	7
Vout			8	8
Vcc	C04L
RECEIVER	C04L
RECEIVER		0.01
DISPLAY		25V

RD OR YL PK BL RD OR YL PK BL RD OR YL PK BL RD OR YL PK BL

CN-D5

CN-D6

CN-D7

CN-D8

5

5

44

33

22

11

5

5

44

33

22

11

55

44

33

22

1

1

55

44

33

22

11

	CN-D3
1	1

2	2

3	3
4	4
5	5
6	6
7	7
8	8

	1	1
	2	2

	3	3

	4	4

	5	5

	6	6

	7	7

	8	8

	9	9

CN-D2
	1	1

	2	2
	3	3

	4	4

	5	5

	6	6

	7	7

	8	8

	9	9

	10	10

CN-D1

BL PK YL OR RD

5 4 3 2 1

CN-UD(BL) 5 4 3 2 1

																12V
						12V	9	8	IC02M
						12V			KID65004AF
							10	7
							11	6																CN-LR1(WH)
							12	5																CN-LR1(WH)			BL
							12	5																	1	1	BL
							13	4																	1	1	PK
							13	4																	2	4
	CN-D1(WH)						14	3																	2	4
	CN-D1(WH)						14	3													IC03M				3	3	YL
1	1	12V					15	2										R02E 20	BZ01E		KID65004AF				4	4	OR
1	1	12V				HVB	16	1																	5	5	RD
2	2					HVB											R01E				1	16			5	5
2	2																R01E				1	16					STEP MOTOR
3	3																1K				2	15		12V			STEP MOTOR
3	3								IC01M								1K				2	15		12V			L / R 1
4	4						9	8	KID65004AF												3	14
4	4					5V	9	8	KID65004AF				64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49					PKM13EPP-4002			4	13					BL
5	5					5V							64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49					PKM13EPP-4002			4	13			1	1	BL
5	5			R01G 220			10	7			f	1				48					5	12			1	1	PK
6	6			R01G 220			10	7			f	1				48					5	12			2	2	PK
7	7			R02G 220			11	6			a	2	0IMCRNE002M			47					6	11			3	3	YL
7	7			R03G 220			12	5			g	2	0IMCRNE002M			47					7	10			3	3	OR
8	8			R03G 220			12	5				3	uPD780023AGC			46					7	10			4	4	OR
9	9			R04G 220			13	4			b	3				46	RXD				8	9			4	4	RD
				R04G 220			13	4			b	4				45						9			5	5
							14	3			d	4				45									5	5
				R05G 220			14	3			d	5			INT1	44	TXD							CN-LR2(WH)			STEP MOTOR
				R06G 220			15	2			e	5			INT1	44	TXD							CN-LR2(WH)			STEP MOTOR
				R06G 220			15	2			e	6			INTO	43											L / R 2
							16	1			c	6			INTO	43
				R07G 220			16	1			c	7			Vss1	42
												7			Vss1	42					5V
												8			X1	41					5V
										C02M		8			X1	41	R01B			R01L	R02L
												9	VssO		X2	40	1M			5.1K	R02L
									103			10	Vdd0			39					1K						-
	CN-D2(WH)						5V					10	Vdd0			39		OSC01B			receiver
												11				38	5V			C01L
												11				38	5V			C01L							55
1	1											12				37	CST-8.00MTW			680pF
1	1											12				37				50V
												13				36				50V
2	2											13			RESET	36
3	3											14		AVdd1 AVss	AVdd	35
4	4											15	FG		AVret	34	5V							CN-HVB(BL)			-
												16				33								CN-HVB(BL)
5	5											16				33									3	3
5	5
													17 18 1920 21 22 23 24 25 26 27 28 29 30 31.32
6	6												17 18 1920 21 22 23 24 25 26 27 28 29 30 31.32				R21H	5V						HVB PIN2	2	2
7	7																R22H	5V			R02A 20K			HVB PIN2	2	2	HVB ASSY
7	7				R11H												R22H				R02A 20K		5V	HVB PIN1	1	1
8	8		5V		R11H												R23H						5V	HVB PIN1	1	1
8	8		5V		1K	C13H	5V		8	1	S						R23H	R21H~R26H				1
9	9		C02L	R12H		103	5V				C			C01M			R24H	12.1K 1%			3	3.6V
9	9			10K		103	C03M		7	2							R24H				3
				10K		50V	C03M		7	2													IC01A
10	10	receiver	220				103				D			103			R25H				C01A	2	IC01A
			10V						6	3							R26H				0.01		KIA7036P
											Q			5V			R26H				0.01		KSC7536
									5	4	Q										25V
									5	4											25V
				R28H 20K																				CN-TH1(WH)			ROOM-TH
	CN-D1(WH)			R28H 20K																					4	4
	CN-D1(WH)			5V																					4	4

		CN-CON(WH)
	1	1
	2	2
	1	3
2	3	3
	1	CN-12V(WH)
	1	1
	2	2
	1	3
2	3	3

10	10
11	11
12	12

13	13

10	10	HVB PIN1																	5V
10	10	HVB PIN1																R04H	R02H	3	3
		R27H 20K				FG1												R04H	R02H	3	3
11	11	HVB				FG1		OR6H	OR5H		OR4H	OR3H	OR2H OR1H					6.2K	12.1K		PIPE-TH
		OJ02H		OJ01H			R81 1K	S-Hi		Hi	Med	Low	F2	F1		E2 1K		1%	1%	2	2
12	12	HVB PIN2				C81
13	13	12V				103														1	1
13	13	12V														E3 1K				1	1
						FG2	R81A 1K
						C81A	R81A 1K											R05H
						C81A		DC 5V										R05H
						103		DC 5V										10K
								R92 10K
								R91
								4.7K		6
									+	6
						RXD		7	+
						RXD			-	5				DC12V
							C91	R90 1K		5
		TXD						R90 1K		R93 10K
		TXD						IC9-2
							103	IC9-2						R99
			R95					KA393						R99
			R95											750
			10K											1/4W
		DC 5V												C92	1	1	4	4
		DC 5V												C92
						DC12V								104,50V	2	2	3	3
		R96	3	+	8										3	3	2	2
		R96			8	1
		10K				1
		10K	2
			2	-

DiagramSchematic

1. Indoor Unit

L3

DC5V

C03L

220IC02D

10V

O I 7805

C06D

+ C05D

103470uF

25V

				4			POLY~SW1					4	4	1	1
DC12V			R97	IC9-1			POLY~SW1				POLY SW2
			R97	KA393			RXE250				POLY SW2	CN-DC/DC(BL)
	IC01D		10K	DC12V							RXE250
	IC01D			DC12V							~
	O	I									~
	7812			FG1			FG2							OUTDOOR
C04D		C02D										+ C07D
C04D	+ C03D	C02D	+ C01D									100uF
104	+ C03D	104	+ C01D	4	3	2	1	4	3	2	1	100uF
50V	470uF	50V	2200uF	4	3	2	1	4	3	2	1	63V
50V	470uF	50V	2200uF									63V
	25V		35V	4	3	2	1	4	3	2	1
				4	3	2	1	4	3	2	1
					INDOOR				INDOOR
					FAN				FAN
					MOTOR1				MOTOR2
				CN-MOTOR1(WH)				CN-MOTOR2(YL)

Image 55

LG Electronics LSC183VMA service manual Indoor Unit, DiagramSchematic, Outdoor

Contents

SERVICE MANUAL MODEL LSC183VMARoom Air Conditioner Wiring Diagram ContentsDimensions Refrigeration Cycle DiagramCode of Model Details of 2003 LG Model NameCode TypeRoom temperature control FunctionsIndoor Unit Operation ON/OFF by Remote controller Sensing the Room TemperatureSetting the Time or Timer Timer Selection Remote ControlRoom, Temperature Checking Temperature SettingProduct References 1 Indoor Unit DimensionsIndoor Unit Gas side 2 Outdoor Unit 18KOUTDOOR UNIT Refrigeration Cycle DiagramCooling Only Models INDOOR UNIT2 Outdoor Unit 18K Wiring Diagram18K Cooling Only Models 1 Indoor UnitCooling Mode Operation Operation Details1. MAIN UNIT FUNCTION DISPLAYDefrost Control Heating Mode OperationFuzzy Operation H/P Model Fuzzy Operation C/O Model1 Fuzzy Operation for Cooling 3 Fuzzy Operation for Heating On-Timer OperationAirflow Speed Selection 2 Fuzzy Operation for DehumidificationChaos Swing Mode Off-Timer OperationOff-Timer ↔ On-Timer Operation Sleep Timer OperationTest operation Remote Control Operation ModeJet Cool Mode Operation H/P Model Forced Operation2. Cooling Model Display FunctionSelf-diagnosis Function 1. Heating Model2 Piping length and elevation Installation1. Installation of indoor, Outdoor unit 1 Select the best location3. Drain hose junction 3 Preparing work for Installation1. Open panel front 2. Cover pipe and cover side remove5 Preparing work for installation 4 How to fix installation plate1. Cut the pipes and the cable 2. Flaring Work and Connection of Piping1 Flaring work 2 Connection of piping Indoor5. Wrap the insulation material around the connecting portion 3. Indoor unit installationFor right piping. Follow the instruction below Installation Information For right piping Good caseBad case 3 Connection of the pipes-OutdoorEvery wire must be connected firmly 3. Connecting The Cable Between Indoor Unit and Outdoor UnitWiring Diagram 2. Separately wire the high and low voltage line2 Connection method of the connecting cableExample 1. To check the drainage 4. checking the Drainage and forming the pipings1 Checking the drainage 2 Form the pipingAir Conditioner 3 Connect the cable to the indoor unitCAUTIONI 1. Preparation 5. Air Purging1 Air purging 2 Air purging with vacuum pump3. Evacuation Soap water method4. Finishing the job left 6. Panel Front Assembly3. Drive three screws Pump Down Procedure 7. Test RunningPUMP DOWN 1. Prepare remote controlCooling Operation Auto Operation Healthy Dehumidification Operation Name and Function-Remote ControlOperation Operation Mode1. To remove the Grille from the Chassis Disassembly of the parts Indoor unit2. To remove the Control Box 4. Before removing the Turbo Fan 3. To remove the Evaporator5. To remove the Motor 2-way Valve Liquid Side 2-way, 3-way Valve1 Recheck the piping connections Procedure1. Air purging CAUTION Do not leak the gas in the air during Air purging4 Air purging of the charge hose 2. Pumping downProcedure 2 Operate the unit for 10 to 15 minutes7 Mount the valve stem nuts and the service port nut 1 Re-air purgingProcedure Re-installation2 Connect the charge set to the 3-way valve’s port 2 Balance refrigerant of the 2-way, 3-way valvesProcedure Gas leakageAll amount of refrigerant leaked 3. EvacuationVacuum pump ProcedureAfter Evacuation 4. Gas ChargingProcedure 5 Mount the valve stem nuts and the service port nut1. Trouble analysis Cycle Troubleshooting Guide2. Product does not operate at all Refer to Electronic Control Device drawing and Schematic diagram3. The product is not operate with the remote controller COMP OFF 4. Compressor/Outdoor Fan are unable to driveCheck point COMP ON5. When Indoor Fan does not operate 6. When Vertical Louver does not operate 7. When a comunication error occurs On for 0.5 second 8. The phenomena in case of connecting error INDOOR UNITOff for 3 seconds OUTDOOR UNIT MODELS 9. Voltage of Connectors according toIndoor Fan Speed No. of pinsMODEL Electronic Control Device1 MAIN PWB ASSYIndoor Unit TOP VIEW BOTTOM VIEW PWB ASSY SVC PART LISTPWB ASSY SVC PART LIST 2 MAIN PWB ASSYOutdoor UnitOPTIONAL FUNCTION PWB ASM6871A20363 3 DISPLAY PWB ASSEMBLY4 SUB P.W.B ASSEMBLY TOP VIEW BOTTOM VIEWDiagramSchematic 1. Indoor UnitOUTDOOR MICOM 2. Outdoor Unit1. Indoor Unit Exploded View and Replacement Parts ListREMARKS Parts ListindoorLOCATION DESCRIPTION2. Outdoor unit18K REMARKS Parts ListoutdoorLOCATION DESCRIPTIONMEMO MEMO P/No. 3828A20135Q AugustPrinted in Korea