LG Electronics LMV1625W, LMV1625B service manual Table of Contents

Page 3

FOREWORD

Read this Manual carefully. Failure to adhere to or observe the information in this Manual may result in exposing yourself to the Microwave Energy normally contained within the oven cavity.

TABLE OF CONTENTS

 

 

(Page)

SAFETY PRECAUTIONS

Inside front page

SPECIFICATIONS

1-1

CAUTIONS

2-1

INSTALLATIONS

3-1

OPERATING INSTRUCTIONS

4-1

CONTROL PANEL

4-1

CONTROL PANEL INSTRUCTIONS

4-2

OVERALL CIRCUIT DIAGRAM

5-1

SCHEMATIC DIAGRAM

5-1

MATRIX CIRCUIT FOR TOUCH KEY BOARD

5-2

GENERAL INFORMATION FOR SERVICE

6-1

GENERAL PRECAUTIONS IN USE

6-1

TRIAL OPERATION

6-1

FEATURES AND SPECIFICATIONS FEATURES

6-1

SERVICE INFORMATION

7-1

PRECAUTIONS AND REPAIR SERVICE TIPS

7-1

MICROWAVE LEAKAGE TEST

7-2

POWER OUTPUT MEASUREMENT

7-3

DISASSEMBLY INSTRUCTIONS

7-4

INTERLOCK SYSTEM

7-12

INTERLOCK CONTINUITY TEST

7-14

TEST AND CHECKOUT PROCEDURES AND TROUBLE SHOOTING

7-15

A. TEST PROCEDURES

7-15

B. CHECKOUT PROCEDURES

7-18

C. TROUBLE SHOOTING

7-21

EXPLODED VIEW

8-1

REPLACEMENT PARTS LIST

8-8

SCHEMATIC DIAGRAM OF PCB

8-12

PRINTED CIRCUIT BOARD

8-13

PCB PARTS LIST

8-14

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Contents Microwave Oven Page Table of Contents Specifications Microwave Radiation Installations Precautions on InstallationGrounding Instructions Control Panel Operating InstructionsControl Panel Instructions Schematic Diagram Overall Circuit DiagramMatrix Circuit for Touch KEY Board Trial Operation General Information for ServiceGeneral Precautions in USE Features and Specifications FeaturesService Information Precautions and Repair Service TipsPreliminary Measuring Microwave Energy Leakage Microwave Leakage TestRecord Keeping and Notification After Measurement Power Output MeasurementMeasurement with the Outer Case Removed Measurement with a Fully Assembled OvenImportant 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 the Ventilation Fanassy Assembling DoorRemoving 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 Top For detail matrix circuit of each model Refer to Power Level Checkout ProceduresCheckout Procedures for Relay Problem a Checkout Procedures for Circuit Board Trouble Shooting Thermostat Page Fuse Exploded View Controller Parts Oven Cavity Parts Latch Board Parts Interior Partsi Interior Parts Installation Parts Schematic Printed Circuit Board May