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Verifying door latch gaps and switch alignment.
Adjusting latch board for proper switch sequence.
Testing the sequence of interlock switches.
Measuring microwave energy leakage after adjustments.
Detailed electrical schematic of the microwave oven.
Description of the microwave oven's control panel functions.
Important safety warnings for measuring microwave leakage.
Step-by-step guide for leakage measurement.
Leakage testing after component replacement.
Leakage check on a fully assembled unit.
Important notes for accurate microwave leakage measurement.
Procedures for documenting and reporting leakage test results.
Procedure for measuring the oven's power output.
Critical safety and handling notes before disassembly.
Steps to remove the outer case of the microwave.
Steps to remove the power and control circuit board.
Procedure to remove the entire door assembly.
Instructions for safely removing the magnetron.
Steps to remove the fan motor assembly.
Explanation of the interlock mechanism and switch mounting.
Testing the continuity of the primary interlock switch.
Testing the continuity of the secondary interlock switch.
Testing the continuity of the monitor switch.
Procedures for testing various electrical components.
Troubleshooting steps for fuse blowing issues.
Troubleshooting steps for relay-related problems.
Symptoms indicating a defective control circuit board.
General cautions for troubleshooting microwave ovens.
Visual signs of a faulty control circuit.
Troubleshooting for a completely non-operational oven.
Troubleshooting when the oven doesn't start cooking.
Troubleshooting for low heat output.
Troubleshooting when no microwave oscillation occurs.
Illustrated breakdown of door assembly components.
Illustrated breakdown of control panel components.
Illustrated breakdown of oven cavity components.
Illustrated breakdown of latch board components.
Illustrated breakdown of internal components (part 1).
Illustrated breakdown of internal components (part 2).
Illustrated breakdown of base plate components.
Illustrated breakdown of sensor components.
Verifying door latch gaps and switch alignment.
Adjusting latch board for proper switch sequence.
Testing the sequence of interlock switches.
Measuring microwave energy leakage after adjustments.
Detailed electrical schematic of the microwave oven.
Description of the microwave oven's control panel functions.
Important safety warnings for measuring microwave leakage.
Step-by-step guide for leakage measurement.
Leakage testing after component replacement.
Leakage check on a fully assembled unit.
Important notes for accurate microwave leakage measurement.
Procedures for documenting and reporting leakage test results.
Procedure for measuring the oven's power output.
Critical safety and handling notes before disassembly.
Steps to remove the outer case of the microwave.
Steps to remove the power and control circuit board.
Procedure to remove the entire door assembly.
Instructions for safely removing the magnetron.
Steps to remove the fan motor assembly.
Explanation of the interlock mechanism and switch mounting.
Testing the continuity of the primary interlock switch.
Testing the continuity of the secondary interlock switch.
Testing the continuity of the monitor switch.
Procedures for testing various electrical components.
Troubleshooting steps for fuse blowing issues.
Troubleshooting steps for relay-related problems.
Symptoms indicating a defective control circuit board.
General cautions for troubleshooting microwave ovens.
Visual signs of a faulty control circuit.
Troubleshooting for a completely non-operational oven.
Troubleshooting when the oven doesn't start cooking.
Troubleshooting for low heat output.
Troubleshooting when no microwave oscillation occurs.
Illustrated breakdown of door assembly components.
Illustrated breakdown of control panel components.
Illustrated breakdown of oven cavity components.
Illustrated breakdown of latch board components.
Illustrated breakdown of internal components (part 1).
Illustrated breakdown of internal components (part 2).
Illustrated breakdown of base plate components.
Illustrated breakdown of sensor components.
| Model Number | 721.63263300 |
|---|---|
| Category | Microwave Oven |
| Brand | Sears |
| Power | 1000 Watts |
| Color | White |











