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General safety precautions for servicing microwave ovens.
Steps to avoid excessive microwave energy exposure during servicing.
Read manual carefully to avoid exposing yourself to microwave energy.
Lists power, frequency, voltage, current, dimensions, and accessories.
Warnings about high voltage and handling components.
How to avoid microwave radiation exposure and proper magnetron installation.
Placement, mounting, and interference avoidance guidelines.
Importance and procedure for grounding the appliance.
Visual layout of the microwave oven's control panel buttons.
Detailed explanation of each touch pad and its cooking function.
Electrical schematic illustrating the microwave oven's components and wiring.
Electrical schematic illustrating more components and wiring, including noise filter.
Graphical representation of the touch key matrix and its button mapping.
Guidelines for safe operation and avoiding damage during use.
Steps for initial testing after installation.
Overview of safety systems and power output selection.
Warnings about high voltage and careful handling during repairs.
Steps to avoid microwave leakage during servicing.
Items to check after repair, including interlock and leakage.
Precautions before and during leakage testing.
Steps for measuring microwave energy leakage using a survey meter.
Parts to check for leakage with the outer case removed.
Areas to check for leakage in a fully assembled oven.
Method for measuring microwave power output using a water load.
Crucial safety notes before starting disassembly.
Step-by-step guide to remove the power and control circuit board.
Detailed procedure for removing the FPC connector.
Detailed procedure for inserting the FPC connector.
Step-by-step instructions for removing the outer case.
Procedure for disconnecting and removing door interlock switches.
Procedure for safely removing the magnetron.
Important notes on handling and gasket installation for the magnetron.
Steps to remove the microwave oven door and post-removal checks.
Instructions for disassembling the door, including the choke.
How to properly mount the door assembly to prevent leaks.
Step-by-step guide to remove the ventilation fan assembly.
Steps to remove the turntable motor and its components.
Important notes for handling turntable motor leadwires.
Explanation of the door lock mechanism for safety.
Steps to adjust door latches and interlock switches for safety.
How to check door latch gaps and switch alignment.
How to test the sequence of interlock switches upon door operation.
Final check for microwave energy leakage after adjustments.
Procedure to test the continuity of the primary interlock switch.
Procedure to test the continuity of the secondary interlock switch.
Procedure to test the continuity of the monitor switch.
Measuring the resistance of the magnetron for testing.
Measuring the resistance of the high-voltage transformer windings.
Testing the resistance and continuity of the high-voltage capacitor.
Testing the forward and reverse continuity of the high-voltage diode.
Measuring resistance for the touch key board connector.
Checking the continuity of Relay 2 under different power levels.
Troubleshooting common causes for fuse blowing.
Troubleshooting steps for Relay 1 issues.
Symptoms indicating a faulty control circuit board.
Troubleshooting when the 'Set Time of Day' message doesn't appear.
Troubleshooting for display errors or incorrect indications.
Diagnosing why the unit does not heat up.
Troubleshooting no buzzing during key presses or cooking stages.
Troubleshooting why the ventilation fan does not turn on.
Illustrated breakdown of the microwave door assembly components.
Illustrated breakdown of control panel and related components.
Illustrated breakdown of microwave oven cavity internal components.
Illustrated breakdown of the latch board and its associated switches.
Illustrated breakdown of various interior components.
Illustrated breakdown of more interior components.
Illustrated breakdown of additional interior components.
Illustrated breakdown of parts used for installation.
General safety precautions for servicing microwave ovens.
Steps to avoid excessive microwave energy exposure during servicing.
Read manual carefully to avoid exposing yourself to microwave energy.
Lists power, frequency, voltage, current, dimensions, and accessories.
Warnings about high voltage and handling components.
How to avoid microwave radiation exposure and proper magnetron installation.
Placement, mounting, and interference avoidance guidelines.
Importance and procedure for grounding the appliance.
Visual layout of the microwave oven's control panel buttons.
Detailed explanation of each touch pad and its cooking function.
Electrical schematic illustrating the microwave oven's components and wiring.
Electrical schematic illustrating more components and wiring, including noise filter.
Graphical representation of the touch key matrix and its button mapping.
Guidelines for safe operation and avoiding damage during use.
Steps for initial testing after installation.
Overview of safety systems and power output selection.
Warnings about high voltage and careful handling during repairs.
Steps to avoid microwave leakage during servicing.
Items to check after repair, including interlock and leakage.
Precautions before and during leakage testing.
Steps for measuring microwave energy leakage using a survey meter.
Parts to check for leakage with the outer case removed.
Areas to check for leakage in a fully assembled oven.
Method for measuring microwave power output using a water load.
Crucial safety notes before starting disassembly.
Step-by-step guide to remove the power and control circuit board.
Detailed procedure for removing the FPC connector.
Detailed procedure for inserting the FPC connector.
Step-by-step instructions for removing the outer case.
Procedure for disconnecting and removing door interlock switches.
Procedure for safely removing the magnetron.
Important notes on handling and gasket installation for the magnetron.
Steps to remove the microwave oven door and post-removal checks.
Instructions for disassembling the door, including the choke.
How to properly mount the door assembly to prevent leaks.
Step-by-step guide to remove the ventilation fan assembly.
Steps to remove the turntable motor and its components.
Important notes for handling turntable motor leadwires.
Explanation of the door lock mechanism for safety.
Steps to adjust door latches and interlock switches for safety.
How to check door latch gaps and switch alignment.
How to test the sequence of interlock switches upon door operation.
Final check for microwave energy leakage after adjustments.
Procedure to test the continuity of the primary interlock switch.
Procedure to test the continuity of the secondary interlock switch.
Procedure to test the continuity of the monitor switch.
Measuring the resistance of the magnetron for testing.
Measuring the resistance of the high-voltage transformer windings.
Testing the resistance and continuity of the high-voltage capacitor.
Testing the forward and reverse continuity of the high-voltage diode.
Measuring resistance for the touch key board connector.
Checking the continuity of Relay 2 under different power levels.
Troubleshooting common causes for fuse blowing.
Troubleshooting steps for Relay 1 issues.
Symptoms indicating a faulty control circuit board.
Troubleshooting when the 'Set Time of Day' message doesn't appear.
Troubleshooting for display errors or incorrect indications.
Diagnosing why the unit does not heat up.
Troubleshooting no buzzing during key presses or cooking stages.
Troubleshooting why the ventilation fan does not turn on.
Illustrated breakdown of the microwave door assembly components.
Illustrated breakdown of control panel and related components.
Illustrated breakdown of microwave oven cavity internal components.
Illustrated breakdown of the latch board and its associated switches.
Illustrated breakdown of various interior components.
Illustrated breakdown of more interior components.
Illustrated breakdown of additional interior components.
Illustrated breakdown of parts used for installation.
| Brand | Kenmore |
|---|---|
| Model | 721.80593 |
| Category | Microwave Oven |
| Language | English |












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