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General| Brand | LG |
|---|---|
| Model | LMV2053ST |
| Category | Microwave Oven |
| Language | English |
Guidelines to avoid excessive microwave energy exposure during servicing.
Information regarding microwave radiation exposure risks and safety measures.
Proper installation guidelines for the magnetron to ensure safety.
Safety guidelines for installing the microwave oven.
Essential guidelines for proper grounding of the appliance.
Diagram illustrating the layout and numbering of the microwave oven control panel.
Comprehensive circuit diagram of the microwave oven.
Safety guidelines to follow when operating the microwave oven.
Steps for testing the microwave oven after installation or repair.
Overview of the microwave oven's incorporated safety systems and features.
Critical safety warnings for high-voltage circuits and repairs.
Steps to prevent microwave energy leakage during and after servicing.
List of necessary equipment for performing microwave leakage tests.
Procedure for measuring microwave energy leakage using specific equipment.
Measuring microwave leakage with the oven's outer case removed.
Measuring microwave leakage with the fully assembled oven.
Detailed steps and formula for measuring microwave power output.
Step-by-step guide to remove the power and control circuit board.
Detailed steps for safely removing the magnetron component.
Steps for removing the stirrer fan assembly.
Steps for removing the microwave oven door.
Process for taking apart the microwave oven door.
Guidelines for properly reassembling the microwave oven door.
Steps for removing the ventilation motor assembly.
Detailed steps for removing the turntable motor.
Steps for adjusting door latches and interlock switches to prevent microwave leakage.
Procedure to check door latch and switch alignment and gaps.
Verifying the correct sequence of interlock switches during door operation.
Ensuring microwave energy leakage is below specified limits after adjustments.
Testing the primary interlock switch for proper continuity.
Testing the secondary interlock switch for proper continuity.
Testing the monitor switch for proper continuity.
Testing the primary, secondary, and filament windings of the transformer.
Testing the magnetron for resistance and continuity.
Testing the capacitor for resistance and continuity.
Testing the diode for continuity in both directions.
Testing Relay 7 and the fan motor for continuity and resistance.
Testing ventilation and turntable motors for resistance.
Measuring resistance of the absolute humidity sensor.
Measuring resistance of the touch key board connector pins.
Diagnosing causes for fuse blowing and recommended actions.
Troubleshooting issues with fan motor and oven lamp operation related to relays.
Identifying symptoms indicating a defective circuit board.
Troubleshooting when the 'Set Time of Day' message does not appear.
Diagnosing issues with incorrect numbers or indications on the display.
Troubleshooting why the display does not start countdown after touching START.
Diagnosing issues when the oven operates but produces no heat.
Troubleshooting no heat during high power cooking, checking interlocks and thermostat.
Troubleshooting why the buzzer does not sound during operation.
Diagnosing issues with the ventilation fan not operating when the key is touched.
Exploded view of the door assembly and its components.
Exploded view of the controller assembly and its components.
Exploded view of the oven cavity and its internal components.
Exploded view of the latch board assembly and its components.
Exploded view of interior components, Part I.
Exploded view of interior components, Part II.
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