LG Electronics LMV1625W, LMV1625B service manual Checkout Procedures for Circuit Board

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(3)CHECKOUT PROCEDURES FOR CIRCUIT BOARD

The following symptoms indicate a defective circuit board.

1)The start function fails to operate but the high voltage Systems, the interlock switches, the door sensing and the relay check good.

2)The unit with a normal relay continuously operates.

3)Proper temperature measurement is not obtained.

4)The buzzer does not sound or continues to sound.

5)Some segments of one or more digits do not light up, or they continue to light up, or segments light when they should not.

6)Wrong figures appear.

7)The figures of all digits.

8)Some of the indicators do no flicker light up.

9)The clock does not keep time properly.

NOTE: A MICROWAVE ENERGY LEAKAGE TEST MUST ALWAYS BE PERFORMED WHEN THE UNIT IS SERVICED FOR ANY REASON.

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Contents Microwave Oven Page Table of Contents Specifications Microwave Radiation Precautions on Installation InstallationsGrounding Instructions Control Panel Operating InstructionsControl Panel Instructions Schematic Diagram Overall Circuit DiagramMatrix Circuit for Touch KEY Board Trial Operation General Information for ServiceGeneral Precautions in USE Features and Specifications FeaturesPrecautions and Repair Service Tips Service InformationPreliminary Measuring Microwave Energy Leakage Microwave Leakage TestRecord Keeping and Notification After Measurement Power Output MeasurementMeasurement with the Outer Case Removed Measurement with a Fully Assembled OvenImportant Notes Disassembly InstructionsHOW to Insert the F.P.C. Connector HOW to Remove the F.P.C. ConnectorRemoving the OUT CASEFigure Removing the Door Interlock Switches Figures 9,10 Removing Magnetron Removing Door Figure Removing the Ventilation Fanassy Assembling DoorRemoving the Turntable Motor Interlock Mechanism Interlock SystemTest the Latch and Switch Sequence Interlock Continuity Test Components Test Procedure ResultsTest Procedures Test and Checkout PROCEDURES, and Trouble ShootingHIGH-VOLTAGE Diode Top For detail matrix circuit of each model Refer to Power Level Checkout ProceduresCheckout Procedures for Relay Problem a Checkout Procedures for Circuit Board Trouble Shooting Thermostat Page Fuse Exploded View Controller Parts Oven Cavity Parts Latch Board Parts Interior Partsi Interior Parts Installation Parts Schematic Printed Circuit Board May

LMV1625W, LMV1625B specifications

The LG Electronics LMV1625B and LMV1625W are versatile over-the-range microwaves designed to enhance convenience and efficiency in modern kitchens. With a range of features, these models cater to the diverse needs of users while maintaining a sleek and stylish appearance.

Both variants, LMV1625B in black and LMV1625W in white, are equipped with a spacious 1.6 cubic feet capacity, which allows users to accommodate larger dishes with ease. The easy-to-use control panel is designed for user-friendliness, featuring a series of clearly labeled buttons for straightforward operation.

One of the standout features of the LMV1625B and LMV1625W is the powerful 1000 watt cooking power, which ensures that meals are cooked evenly and quickly. This is particularly beneficial for defrosting or reheating food, as it helps to minimize cooking times while maintaining flavor and texture.

The Smart Inverter technology sets these microwaves apart from traditional models. This innovative feature provides precise control over power levels, allowing users to cook food more evenly without the risk of hot spots or overcooking. The Smart Inverter also enhances the defrosting process, ensuring that food thaws uniformly, which is especially important for meats and seafood.

In terms of design, both models come with a modern, minimalist aesthetic that enhances any kitchen décor. The seamless design and stainless steel accents lend a touch of elegance, ensuring that they can blend effortlessly into various kitchen styles.

The EasyClean interior coating is another notable characteristic, as it simplifies the cleaning process. This specialized coating allows for quick and simple wiping down of the interior surfaces, making maintenance a breeze. Furthermore, the built-in LED lighting illuminates the cooking space, providing better visibility during use.

In addition to these features, the LMV1625B and LMV1625W also include a range of pre-set cooking options, allowing users to prepare popular dishes at the touch of a button. With multiple power levels and a sensor cooking option, these microwaves provide flexibility and precision in meal preparation.

Overall, the LG Electronics LMV1625B and LMV1625W over-the-range microwaves combine innovative technology, user-friendly features, and stylish design, making them a practical choice for any kitchen. Whether sautéing, steaming, or reheating, these appliances are designed to meet the needs of today's busy households.