LG Electronics M8004R, L8004RY4, HB8004RA4, HB8004RB4 Components Location, Main P.C.B Assembly

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Schematic Diagram

ComponentsLocation

1. MAIN P.C.B ASSEMBLY

-CON		Q02T	R01T Q01T
-CON		Q02T	D01T	C02T
CN	J5	J4	D01T	C02T	J7
-12V		CN-HVB	J6		CN-TELE	CN-TH2
CN

AC/DC		C03T	Q03T		Q04T	RY-HI
AC/DC					J3	RY-HI
CN-		SINK		J2	QIC02DT
CN-		SINK		J2
J1		HEAT				MED
		IC01D	C02D		C04D	RY-
					C04D
D02D	D03D D04D	D05D				C05D
D02D	D03D D04D	D05D				LOW
						RY-
		C01D
						RY-4WAY

RY-COMP

ASSEMBLY:6871A20417C

PCB:6870A90068D

POWER

TRANS

FUSE 250V/T3.15A

	CN-MOTOR
CN-PWR
ZNR01J		CN-4WAY
R01J		C01J
R01J
E03J	E02J	E01J
J8
E04J	E05J

2. DISPLAY P.C.B. ASSEMBLY

PCB:6870A90067C

ASSEMBLY:6871A20418A

22Room Air Conditioner

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Contents LG Room Air Conditioner Table of Contents Do not place the power cord near a heater Safety PrecautionsDo not disassemble or modify products Do not modify power cord length Plug in the power plug properlyUse the air conditioner on a single outlet circuit Ensure that the outer case is not damaged by age or wear Do not clean the air conditioner with waterBe cautious not to touch the sharp edges when installing Do not block the inlet or outletSymbols Used in this Manual DimensionsOutside Dimensions HBLG8004RA4/B4 CL8000ER Product SpecificationsItems Models HBLG1004RHow to Secure the Drain Pipe InstallationInstallation Check Select the Best LocationHow to Install Window RequirementsAttach L Bracket Locating Unit in WindowOutside Install the Sash Seal and Sash Lock Secure the Guide PanelsOperation Precaution The Remote Control unit will notFunction of Controls Front Grille DisassemblyMechanical Parts CabinetFAN Air Handling PartsAir Guide and Turbo Fan ShroudCompressor Electrical PartsOverload Protector CapacitorPower Cord MotorEvaporator Refrigerating CycleCapillary Tube Disassembly Pulling Vacuum Schematic Electronic ControlWiring Diagram Description QTY RemarksMain P.C.B Assembly Components LocationTroubleshooting Guide Piping SystemUnit runs but poor cooling Troubleshooting GuideIneffective Cooling Fails to Start Electrical Parts Troubleshooting Guide Possible TroubleCompressor does not operate Possible Trouble FAN does not operate Possible Trouble Function of Energy Saver does not operatePossible Trouble Remote controller does not operate Is the reset circuit OK? Select the desired Temp. to lower Number CN-AC/DC OK? YES Connect connector Complaint Cause Remedy Troubleshooting Guide Exploded View Replacement Parts List CL8000ER L1004R Replacement Parts ListDescription Remark M1004RM8004RY4 L8004RY4 NO3828A20472A February