EasyManua.ls Logo

LG MS-2642FB User Manual

LG MS-2642FB
35 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
MICROWAVE OVEN
SERVICE MANUAL
MODEL : MS-2642FB
CAUTION
BEFORE SERVICING THE UNIT, READ THESAFETY PRECAUTIONS IN THIS MANUAL.
website: http://www.lgservice.com
Question and Answer IconNeed help?

Do you have a question about the LG MS-2642FB and is the answer not in the manual?

LG MS-2642FB Specifications

General IconGeneral
BrandLG
ModelMS-2642FB
CategoryMicrowave Oven
LanguageEnglish

Summary

General Cautions

Safety Precautions

Product Specifications

Servicing Cautions

Installation Guide

Installing the Microwave Oven

Steps for safely placing and setting up the appliance.

Grounding Instructions

Essential information on proper electrical grounding for safety.

Operating Instructions

Features Overview

Description of the microwave oven's main components and functions.

Control Panel Functions

Explanation of each button and display on the control panel.

Operating Sequence Guide

Setting the Clock

Procedure for setting the current time of day.

Canceling Functions

How to stop or clear ongoing cooking operations.

One-Touch Cooking

Instructions for using preset cooking programs.

Time Cooking

Method for setting manual cooking times and power levels.

Multi-Stage Cooking

Guide to programming sequential cooking steps.

Auto Defrost Cooking

Steps for using the automatic defrost function by weight.

Child Lock Feature

Instructions on how to activate and deactivate the child safety lock.

Schematic Diagram

Circuit Description

General Circuit Details

Overview of low voltage transformer and basic operation.

Cooking Power and Time Control

Explanation of how settings affect microwave output.

Door Interlock System Operation

Description of how door switches affect operation.

Service Information

Tools and Measuring Instruments

List of necessary tools and equipment for servicing.

Microwave Leakage Test Overview

Procedure and precautions for checking microwave radiation leakage.

Microwave Leakage Testing Procedures

Leakage Measurement Methods

Techniques for measuring leakage with outer case removed or assembled.

Leakage Test Notes and Records

Important considerations and record-keeping for leakage tests.

Microwave Power Output Measurement

Disassembly and Adjustment Procedures

Outer Case Removal

Steps to remove the microwave oven's outer casing.

Power Supply Cord Removal

Procedure for detaching the power supply cord.

Control Panel Assembly Removal

Steps to remove the microwave's control panel.

PCB and Door Assembly Removal

PCB Assembly Removal

Procedure for removing the printed circuit board assembly.

Door Main Assembly Removal

Steps to safely remove the oven door assembly.

Magnetron and Turntable Motor Removal

Magnetron Removal Procedure

Steps for removing and replacing the magnetron.

Turntable Motor Removal

Procedure for detaching the turntable motor.

High Voltage and Interlock Component Removal

High Voltage Component Removal

Steps for removing HV transformer, capacitor, and diode.

Interlock System Adjustment

Guide to adjusting the door latch and interlock switches.

Interlock Continuity Testing

Primary Interlock Switch Test

Procedure to test the primary door interlock switch.

Secondary Interlock Switch Test

Procedure to test the secondary door interlock switch.

Monitor Switch Continuity Test

Procedure to test the monitor door interlock switch.

Component Resistance Testing

High Voltage Transformer Test

Measuring resistance of HV transformer windings.

Magnetron Resistance Testing

Testing the magnetron's filament and chassis resistance.

Capacitor and Diode Component Testing

High Voltage Capacitor Testing

Testing the resistance of the high voltage capacitor.

High Voltage Diode Testing

Testing the continuity of the high voltage diode.

Motor and Relay Component Testing

Relay 2 Continuity and Operation Test

Checking the continuity and timing of Relay 2.

Motor Resistance Tests

Measuring resistance for fan and turntable motors.

Troubleshooting Common Issues

Trouble 1: Control Circuit Faults

Trouble 2: Oven Not Operating

Trouble 3 & 4: Cooking and Heat Issues

Trouble 5: No Microwave Oscillation

Exploded View of Components

Door Parts Identification

List and diagram of components for the oven door.

Control Panel Parts Identification

List and diagram of components for the control panel.

Oven Cavity Parts Identification

List and diagram of components within the oven cavity.

Latch Board Parts Identification

List and diagram of components for the door latch mechanism.

Interior Parts Identification

List and diagram of internal microwave oven components.

Base Plate Parts Identification

List and diagram of components on the oven's base plate.

Schematic Diagram of Printed Circuit Board

Printed Circuit Board Layout

Related product manuals