LG Electronics MV1825SW, LMV1825SBQ service manual Interior

Page 41

INTERIOR (I)

33390G

56324A

34370T

WSZ002

35889A WTT021 54810C 55238A

50CZZH 56851D

33052A		WTP002	WSZ002
			WSZ002

			56170D
			WSZ002
55892A	54930F
	54930F	WTT021
		WTT021
53550F		56930G
53550F	36549S
	36549S
	WTP013	568772	53300B
	WTP013
340511
340511
			WSZ002

8-5

Image 41

Contents Microwave Oven Safety Precautions in this ManualPage Table of Contents Specifications Microwave Radiation Grounding Instructions InstallationControl Panel Operating InstructionsControl Panel Instructions Schematic Diagram Overall Circuit DiagramMatrix Circuit for Touch KEY Board Trial Operation General Precautions in USEFeatures and Specifications Features Preliminary Precautions and Repair Service TipsEquipment Microwave Leakage TestMeasurement with the Outer Case Removed Power Output MeasurementImportant Notes Disassembly InstructionsHOW to Insert the F.P.C. Connector HOW to Remove the F.P.C. ConnectorRemoving the OUT CASEFigure Removing the Door Interlock Switches Figures 9,10 Removing Magnetron Removing Door Figure Removing Stirrer FANReplacing the Humidity Sensor Assembling DoorRemoving the Ventilation Motor Removing the Turntable Motor Interlock Mechanism Interlock SystemTest the Latch and Switch Sequence Interlock Continuity Test Components Test Procedure ResultsTest Procedures Test and Checkout PROCEDURES, and Trouble ShootingHIGH-VOLTAGE Diode FPC Connector Power Level Checkout ProceduresCheckout Procedures for Relay Problem a Checkout Procedures for Circuit Board Trouble Shooting Circuit board Poor Check the contact of relay 2see Normal Operation Circuit board Fuse Exploded View Control Panel Oven Cavity Latch Board Interior 50FZZA Installation Schematic Diagram of P.C.B Printed Circuit Board May