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LG LMV1813SW - User Manual

LG LMV1813SW
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MICROWAVE OVEN
SERVICE MANUAL
MODEL: LMV1813SW
LMV1813SB
LMV1813ST
CAUTION
BEFORE SERVICING THE UNIT, READ THE
SAFETY PRECAUTIONS IN THIS MANUAL.
Website: http://biz.lgservice.com
P/NO : MFL06272514
February, 2010
Printed in China
Internal Use Only
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Summary

Service Safety Warnings

Microwave Energy Exposure Precautions

Detailed safety measures to prevent exposure to microwave energy during servicing.

FOREWORD

1. SPECIFICATIONS

2. CAUTIONS

Microwave Radiation Safety

Critical warnings regarding microwave radiation hazards and safe handling procedures.

3. INSTALLATION

Installation Precautions

Guidelines and safety advice for properly installing the microwave oven unit.

Grounding Instructions

Essential information on grounding the appliance for electrical safety.

4. OPERATION

Control Panel Features

Overview and explanation of the microwave oven's control panel buttons and functions.

5. WIRING DIAGRAM AND KEY MATRIX

Wiring Diagram

Schematic representation of the oven's electrical connections and components.

Key Matrix

Chart detailing the function of each key on the control panel.

6. TROUBLESHOOTING

General Service Information

Basic guidelines and precautions for performing service and troubleshooting.

Safety Cautions for Service

Essential safety warnings and procedures for technicians during microwave oven repair.

Basic Check Summary

Summary of basic checks and expected results for troubleshooting common issues.

Troubleshooting Flowcharts

Step-by-step diagnostic guides for resolving specific microwave oven malfunctions.

7. MICROWAVE LEAKAGE TEST

Microwave Leakage Measurement

Procedures and equipment for testing microwave energy leakage levels.

8. POWER OUTPUT MEASUREMENT

9. INTERLOCK SYSTEM

Interlock Mechanism Adjustment

Procedure for adjusting door latches and interlock switches for safety and proper operation.

Interlock Continuity Test

Tests to verify the continuity and proper functioning of interlock switches.

10. COMPONENT TESTING INFORMATION

11. DISASSEMBLY INSTRUCTIONS

Removing Power and Control Circuit Board

Steps for safely removing the main power and control circuit board assembly.

Removing the Outer Case

Instructions for disassembling and removing the external casing of the microwave oven.

Removing Door Interlock Switches

Procedure for safely removing and replacing the door interlock switch components.

Removing Magnetron

Detailed steps for carefully removing the magnetron assembly from the oven.

Removing the Door

Steps for disassembling and removing the microwave oven door.

Removing the Turntable Motor

Instructions for safely removing the turntable motor from the oven cavity.

Replacing the Humidity Sensor

Procedure for replacing the humidity sensor component in the microwave oven.

12. EXPLODED VIEW

Door Parts

Illustrated breakdown of the microwave oven's door assembly components.

Controller Parts

Illustrated breakdown of the microwave oven's controller unit components.

Oven Cavity Parts

Illustrated breakdown of the various parts within the microwave oven cavity.

Latch Board Parts

Illustrated breakdown of the components associated with the latch board assembly.

Interior Parts (I)

Illustrated breakdown of internal components of the microwave oven.

Interior Parts (II)

Illustrated breakdown of additional internal components of the microwave oven.

Installation Parts

Illustrated breakdown of parts related to the microwave oven installation process.

Summary

Service Safety Warnings

Microwave Energy Exposure Precautions

Detailed safety measures to prevent exposure to microwave energy during servicing.

FOREWORD

1. SPECIFICATIONS

2. CAUTIONS

Microwave Radiation Safety

Critical warnings regarding microwave radiation hazards and safe handling procedures.

3. INSTALLATION

Installation Precautions

Guidelines and safety advice for properly installing the microwave oven unit.

Grounding Instructions

Essential information on grounding the appliance for electrical safety.

4. OPERATION

Control Panel Features

Overview and explanation of the microwave oven's control panel buttons and functions.

5. WIRING DIAGRAM AND KEY MATRIX

Wiring Diagram

Schematic representation of the oven's electrical connections and components.

Key Matrix

Chart detailing the function of each key on the control panel.

6. TROUBLESHOOTING

General Service Information

Basic guidelines and precautions for performing service and troubleshooting.

Safety Cautions for Service

Essential safety warnings and procedures for technicians during microwave oven repair.

Basic Check Summary

Summary of basic checks and expected results for troubleshooting common issues.

Troubleshooting Flowcharts

Step-by-step diagnostic guides for resolving specific microwave oven malfunctions.

7. MICROWAVE LEAKAGE TEST

Microwave Leakage Measurement

Procedures and equipment for testing microwave energy leakage levels.

8. POWER OUTPUT MEASUREMENT

9. INTERLOCK SYSTEM

Interlock Mechanism Adjustment

Procedure for adjusting door latches and interlock switches for safety and proper operation.

Interlock Continuity Test

Tests to verify the continuity and proper functioning of interlock switches.

10. COMPONENT TESTING INFORMATION

11. DISASSEMBLY INSTRUCTIONS

Removing Power and Control Circuit Board

Steps for safely removing the main power and control circuit board assembly.

Removing the Outer Case

Instructions for disassembling and removing the external casing of the microwave oven.

Removing Door Interlock Switches

Procedure for safely removing and replacing the door interlock switch components.

Removing Magnetron

Detailed steps for carefully removing the magnetron assembly from the oven.

Removing the Door

Steps for disassembling and removing the microwave oven door.

Removing the Turntable Motor

Instructions for safely removing the turntable motor from the oven cavity.

Replacing the Humidity Sensor

Procedure for replacing the humidity sensor component in the microwave oven.

12. EXPLODED VIEW

Door Parts

Illustrated breakdown of the microwave oven's door assembly components.

Controller Parts

Illustrated breakdown of the microwave oven's controller unit components.

Oven Cavity Parts

Illustrated breakdown of the various parts within the microwave oven cavity.

Latch Board Parts

Illustrated breakdown of the components associated with the latch board assembly.

Interior Parts (I)

Illustrated breakdown of internal components of the microwave oven.

Interior Parts (II)

Illustrated breakdown of additional internal components of the microwave oven.

Installation Parts

Illustrated breakdown of parts related to the microwave oven installation process.

LG LMV1813SW Specifications

General IconGeneral
TypeOver-the-Range
Capacity1.8 cu. ft.
Power1000 Watts
Weight30.9 lbs
ColorStainless Steel
Control TypeElectronic Touch
TurntableYes
Cooking Levels10
Sensor CookingYes
Child LockYes
Dimensions (WxHxD)29.9" x 16.4" x 15.5"
Exterior Dimensions29.9" x 16.4" x 15.5"

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