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General| Brand | Sears |
|---|---|
| Model | 721.63263301 |
| Category | Microwave Oven |
| Language | English |
Essential safety measures for technicians to avoid microwave energy exposure during servicing.
Overview of the manual and a general warning about microwave energy.
Proper power source, placement, and surface requirements for installation.
Guidelines for operating the oven safely, including load and material use.
Steps to verify oven functionality after installation.
Detailed specifications including power, dimensions, and parts.
Provides the schematic of the oven's electrical system for service.
Explains the touch key input matrix and control panel button functions.
Step-by-step instructions for common oven features like timer and defrost.
Detailed steps and equipment for measuring microwave energy leakage.
Instructions for safely disassembling the oven and removing the control circuit board.
Instructions for removing the entire door assembly and associated covers.
Steps for removing the magnetron and suction guide assembly.
Instructions for removing fan motor, high voltage transformer, and sensor.
Steps for removing HV capacitor, turntable motor, and interlock system components.
Procedures to test the continuity of primary, secondary, and monitor interlock switches.
Guidance on testing major electrical components like transformers and capacitors.
Identifies causes and remedies for fuse blowing issues.
Diagnoses issues related to relays and the main circuit board.
Addresses issues like the oven not working or having low output power.
Symptoms indicating a faulty control circuit board or keypad.
Diagnoses problems where the oven is unresponsive or shows no display.
Addresses issues like failure to start cooking or low heat output.
Diagnoses problems related to microwave generation and power level accuracy.
Visual breakdown of the microwave oven parts for identification.
Diagram showing individual parts of the microwave door.
Diagram showing individual parts of the control panel.
Diagram showing parts within the main oven cavity.
Diagram showing parts of the latch board mechanism.
Diagram of internal components like fan motor and transformer.
Diagram showing components mounted on the base plate.
Diagram of the sensor and its mounting parts.
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