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General| Brand | LG |
|---|---|
| Model | MH-705A |
| Category | Microwave Oven |
| Language | English |
Key safety checks and precautions for servicing to prevent excessive microwave energy exposure.
Warning about avoiding exposure to microwave radiation from the generator and conducting parts.
Overview of the microwave oven's capabilities and design elements.
Description and function of each button and dial on the control panel.
Basic operational principles and power supply to the micom controller.
How the micom controller manages cooking settings and displays time.
Operation sequence when the start button is activated, including relay and motor functions.
Safety interlocks and operation interruption when the oven door is opened.
How the micom controller adjusts output power for levels below maximum.
Circuit operation for grill cooking, including AC voltage to the heater.
List of necessary tools and instruments for servicing the microwave oven.
Procedures and cautions for testing microwave leakage before and after servicing.
Important notes and guidelines for accurate microwave leakage measurement readings.
Requirements for documenting and reporting microwave leakage test results.
Step-by-step instructions for removing the outer casing of the microwave oven.
Procedure for disconnecting and removing the power supply cord.
Steps for safely removing and handling the control panel assembly.
Procedure to test continuity of the primary interlock switch for proper operation.
Procedure to test continuity of the secondary interlock switch for proper operation.
Procedure to test continuity of the monitor switch for proper operation.
Resistance test procedures for the high voltage transformer windings.
Resistance test procedures for the magnetron filament and chassis.
Troubleshooting steps for when the microwave oven fails to operate.
Troubleshooting steps for low microwave output power.
Troubleshooting steps for sparks occurring inside the oven during operation.
Troubleshooting steps for uneven cooking results.
Troubleshooting steps for when the grill heater is not operating.
Troubleshooting steps for when the oven operates at a lower temperature than expected.
Overview of the exploded view section and its purpose.
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