LG MS-197H Service Manual
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LG MS-197H Service Manual

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MICROWAVE OVEN
SERVICE MANUAL
MODEL: MS-197H
CAUTION
BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

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Summary of Contents for LG MS-197H

  • Page 1 MICROWAVE OVEN SERVICE MANUAL MODEL: MS-197H CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 2: Safety Precautions

    SAFETY PRECAUTIONS This device is to be serviced only by properly qualified service personnel. Consult the service manual for proper service procedures to assure continued safety operation and for precautions to be taken to avoid possible exposure to excessive microwave energy. PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY...

  • Page 3: Table Of Contents

    CONTENTS (Page) SAFETY PRECAUTIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Inside front cover SPECIFICATIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1-1 CAUTIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-1 INSTALLATIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-1...

  • Page 4: Specifications

    SPECIFICATIONS ITEM DESCRIPTION MS-197H MODEL 230 Volts AC 50 Hz Power Requirement 1,000 Watts (4.5 A) Single phase, 3 wire grounded 700 Watts full microwave power (IEC705) Power Output 2,450 MHz Microwave Frequency 2M213 - 09 Magnetron 0 ~ 60 min.

  • Page 5: Cautions

    CAUTIONS Unlike other appliances, the microwave oven is MICROWAVE RADIATION high-voltage and high-current equipment. Personnel should not be exposed to the Though it is free from danger in ordinary use, microwave energy which may radiate from the extreme care should be taken during repair. magnetron or other microwave generating device if it is improperly used or connection.

  • Page 6: Installations

    INSTALLATIONS BEFORE YOU BEGIN, READ THE FOLLOWING INSTRUCTIONS COMPLETELY AND CAREFULLY. INSTALLING EARTHING INSTRUCTIONS 1. Empty the microwave oven and clean inside it with This microwave oven is designed to be used in a fully a soft, damp cloth. Check for damage such as earthed condition.

  • Page 7: Operating Instructions

    OPERATING INSTRUCTIONS FEATURES Oven Front Plate Window Door Screen Door Seal Power Knob Timer Knob Door Open Button Safety Door Lock System Turntable Rotating Ring CONTROL PANEL Watt Defrost 0.1Kg 1. POWER CONTROL KNOB: Used in selected the desired power level for cooking. 2.

  • Page 8: Operating Sequence

    OPERATING SEQUENCE MICROWAVE COOKING 1. Open the oven door, place the food on the turntable in the oven, and close the oven door. 2. Set the microwave power selector to the desired power level. There are five power levels from 90W to MAX.

  • Page 9: Schematic Diagram

    SCHEMATIC DIAGRAM...

  • Page 10: Circuit Description

    CIRCUIT DESCRIPTION • As the door is closed, the contact of MONITOR • 3.2 volts AC is generated from the filament winding of SWITCH opens. This switch creates the short circuit to the high voltage transformer. This 3.2 volts is applied blow fuse during operation under abnormal condition.

  • Page 11: Exploded View

    EXPLODED VIEW INTRODUCTION OVEN CAVITY PARTS INTERIOR PARTS BASE PLATE PARTS DOOR PARTS LATCH BOARD PARTS CONTROL PANEL PARTS...
  • Page 12 DOOR PARTS 13581A 13552A 13536A 13213A 13352A 13720D 14026A 14970A...
  • Page 13 CONTROL PANEL PARTS 24781T 26549T 249401 23572A WTP015 24510L 24970A 250201...
  • Page 14 OVEN CAVITY PARTS WTT021 33112U 33052M 340511 33390G 34960A 35889A 36549S WTP013...
  • Page 15 LATCH BOARD PARTS 56912B 55262A WSZ085 43500A 969201 466002 43501A WTT028 466003 WTT028 466001...
  • Page 16 INTERIOR PARTS 568771 WSZ062 50FZZA 56411A 56930V 56201A WTT028 56549F 54974S WSZ002 55900A WTT037 WSZ002 30RMZZ WTT021 50CZZH 56324A WSZ002 56201B...
  • Page 17 BASE PLATE PARTS 56170D 56901A WSZ002 63303A 54810C 50CZZH 63302A 56851D WTT021 65006B WSZ002 65006B...

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