Table Of Contents - LG LMVM2033SW Service Manual

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.
Safety Precautions .................................................................................................................................................. 2
1. Specifications ........................................................................................................................................................4
2. Cautions .................................................................................................................................................................5
3. Installation..............................................................................................................................................................6
4. Operation................................................................................................................................................................7
4-1. Control Panel ...................................................................................................................................................7
4-2. Explanation of Control Panel ...........................................................................................................................8
5. Wiring Diagram / Key Matrix .................................................................................................................................9
5-1. Wiring Diagram ................................................................................................................................................9
5-2. Key Matrix ......................................................................................................................................................10
6. Troubleshooting ..................................................................................................................................................11
6-1. General Information for Service .....................................................................................................................11
6-2. Safety Caution ...............................................................................................................................................12
6-3. Self diagnosis (humidity Sensor and PCB thermistor check) & Error code ...................................................12
6-4. Basic Check Summary ..................................................................................................................................13
6-5. Troubleshooting .............................................................................................................................................14
7. Microwave Leakage Test .....................................................................................................................................24
8. Power Output Measurement ...............................................................................................................................26
9. Interlock System ..................................................................................................................................................27
9-1. Interlock Mechanism ......................................................................................................................................27
9-2. Interlock Continuity Test .................................................................................................................................29
10. Component Testing Information ......................................................................................................................30
11. Disassembly Instructions .................................................................................................................................34
12. Exploded View ...................................................................................................................................................40
FOREWORD
CONTENTS
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(Page)