GE LMAB1240ST service manual Microwave Radiation, Antenna

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CAUTIONS

Unlike other appliances, the microwave oven is high-voltage and high-current equipment. Though it is free from danger in ordinary use, extreme care should be taken during repair.

•DO NOT operate on a 2-wire extension cord during repair and use.

•NEVER TOUCH any oven components or wiring during operation.

•BEFORE TOUCHING any parts of the oven, always remove the power plug from the outlet.

•For about 30 seconds after the oven stops, an electric charge remains in the high voltage capacitor. When replacing or checking, you must discharge the high voltage capacitor by shorting across the two terminals with an insulated screwdriver.

•Remove your watch whenever working close to or replacing the Magnetron.

•DO NOT touch any parts of the control panel circuit. A resulting static electric discharge may damage this P.C.B.

•NEVER operate the oven with no load.

•NEVER injure the door seal and front plate of the oven cavity.

•NEVER put iron tools on the magnetron.

•NEVER put anything into the latch hole and the interlock switches area.

MICROWAVE RADIATION

Personnel should not be exposed to the microwave energy which may radiate from the magnetron or other microwave generating device if it is improperly used or connection. All input and output microwave connections, waveguide, flange, and gasket must be secure. Never operate the device without a microwave energy absorbing load attached.

Never look into an open waveguide or antenna while the device is energized.

•Proper operation of the microwave oven requires that the magnetron be assembled to the waveguide and cavity. Never operate the magnetron unless it is properly installed.

•Be sure that the magnetron gasket is properly installed around the dome of the tube whenever installing the magnetron.

ANTENNA

Gasket

COOLING FIN

FILAMENT

TERMINALS

MAGNETRON

CHASSIS GROUND

MAGNETRON

THE OVEN IS TO BE SERVICED ONLY BY PROPERLY QUALIFIED SERVICE PERSONNEL.

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Contents Microwave Oven Microwave Radiation Safety PrecautionsContents Description SpecificationsAntenna Microwave RadiationGrounding Instructions InstallationInstalling Control Panel FeaturesOperating Instructions Operating Sequence Schematic Diagram I *Check the Rating Model No Page Circuit Description Tools and Measuring Instruments Service InformationMicrowave Leakage Test Necessary ToolsMeasurement with a Fully Assembled Oven Measurement with Outer Case RemovedDisassembly and Adjustment Measurement of Microwave Power OutputPower Supply Cord Control Panel AssemblyDoor Assembly Removal PCB Assembly RemovalVery Carefully Magnetron RemovalRemoving the Turntable Motor High Voltage Transformer Removal FAN Motor Assembly RemovalHigh Voltage Capacitor and Diode Removal Iinterlock SystemSecondary Interlock Switch Test Primary Interlock Switch TestMonitor Switch Test SwitchesMagnetron Component Test ProcedureFilament Winding Primary Terminal Diode High VoltageCapacitor Relay PowerLevel FAN MotorCondition Cause Remedy Trouble ShootingResult Result Condition Check Defective high voltage transformer Introduction Exploded ViewDoor Parts Control Panel Parts Oven Cavity Parts Larch Board Parts Model LMAB1240ST Interiot Parts56201A Base Plate Parts

LMAB1240ST specifications

The GE LMAB1240ST is a remarkable side-by-side refrigerator that embodies modern design and advanced technology, catering to the needs of today's consumers. Offering a perfect blend of style, functionality, and efficiency, this model stands out in the crowded marketplace.

One of the main features of the LMAB1240ST is its spacious interior. With a generous capacity of 24.9 cubic feet, this refrigerator provides ample storage for families and individuals alike. The side-by-side configuration allows easy access to both fresh and frozen foods, making organization simple and efficient.

In terms of cooling technology, the LMAB1240ST uses advanced climate control features. The refrigerator is equipped with a multi-air flow system that ensures consistent airflow throughout the unit. This technology helps maintain even temperatures, keeping food fresher for longer. Additionally, the adjustable shelves allow for customization of the interior space, accommodating various sizes of food items and containers.

The GE LMAB1240ST emphasizes energy efficiency as well. It is Energy Star certified, indicating that it meets or exceeds energy efficiency guidelines set by the U.S. Environmental Protection Agency. This not only helps reduce utility bills but also minimizes environmental impact, which is a consideration for eco-conscious consumers.

Another significant feature of this model is its water and ice dispenser. The dispenser is designed to provide chilled water and cubed/crushed ice right at your fingertips. It is conveniently located on the front of the refrigerator for easy access. The filter system ensures that the water dispensed is clean and free from contaminants, enhancing safety and taste.

Additionally, the LMAB1240ST boasts advanced convenience features such as LED lighting, which provides bright and energy-efficient illumination within the refrigerator and freezer compartments. The easy-to-use temperature controls allow users to adjust settings effortlessly, ensuring optimal conditions for food storage.

Lastly, the stainless steel finish of the GE LMAB1240ST not only adds a sleek and contemporary look but also resists fingerprints and smudges, making maintenance more manageable. With a combination of innovative features, energy efficiency, and stylish aesthetics, the GE LMAB1240ST is an exceptional choice for anyone looking to upgrade their kitchen appliance.
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