LG LCRT2010ST Service Manual

MICROWAVE OVEN
SERVICE MANUAL
MODEL: LCRT2010ST
CAUTION
BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Website http://biz.lgservice.com
P/NO : MFL06272518
November, 2010
Printed in Korea
삼 흥
정 판
Internal Use Only

LG LCRT2010ST Specifications

General

Style	countertop
Color	stainless steel
Total Capacity	2 cubic feet
Sensor Cooking	yes
Child Lock	yes
Timer	yes
Microwave Power	1200 watts

Weight and Dimensions

Depth	19.81 inches
Height	13.56 inches
Width	23.87 inches
Net Weight	39.7 pounds

Summary

Safety Precautions

Precautions for Servicing to Avoid Microwave Exposure

Important safety measures for personnel servicing the microwave oven to prevent exposure.

Microwave Radiation Warning

Warning about not exposing oneself to radiation from the microwave generator or related parts.

Cautions

Microwave Radiation Hazards

Warnings regarding exposure to microwave energy and proper handling.

Qualified Service Personnel Requirement

Statement that the oven should only be serviced by qualified personnel.

Installations

Grounding Instructions and Warnings

Essential information on proper grounding for safety and potential risks.

Operating Instructions

Control Panel Layout and Functions

Detailed explanation of the control panel buttons and their functions.

Operating Sequence

Service Information

Tools and Measuring Instruments

Microwave Leakage Testing Procedures and Notes

Details on performing leakage tests, measurement scenarios, notes, and special tips.

Measurement of Microwave Power Output

Disassembly and Adjustment

Door Main Assembly and Removal

Magnetron Removal Procedures

Steps for safely removing and replacing the magnetron.

High Voltage Transformer Removal

Steps to safely remove the high voltage transformer.

High Voltage Capacitor and Diode Removal

Guide for removing high voltage capacitor and diode components.

Interlock System

Interlock Mechanism Overview

Explanation of the door lock mechanism for preventing microwave leakage.

Latch Board Installation and Adjustment

Interlock Continuity Test

Primary Interlock Switch Test

Secondary Interlock Switch Test

Monitor Switch Test

Component Test Procedure

High Voltage Transformer Test

Magnetron Test

High Voltage Capacitor Test

High Voltage Diode Test

Relay 2 Test

Trouble Shooting

Troubleshooting Common Faults

Addresses issues like control circuit faults, no operation, and sparking.